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N. Gregory Mankiw's
Scholarly Papers
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1,927 |
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1.
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Disagreement about Inflation Expectations
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N. Gregory Mankiw Harvard University - Department of Economics Ricardo A.M.R. Reis Columbia University Justin Wolfers University of Pennsylvania - Business & Public Policy Department
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19 Jun 03
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26 Nov 03
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N. Gregory Mankiw Harvard University - Department of Economics Ricardo A.M.R. Reis Columbia University Justin Wolfers University of Pennsylvania - Business & Public Policy Department
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23 Jun 03
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23 Jun 03
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Analyzing 50 years of inflation expectations data from several sources, we document substantial disagreement among both consumers and professional economists about expected future inflation. Moreover, this disagreement shows substantial variation through time, moving with inflation, the absolute value of the change in inflation, and relative price variability. We argue that a satisfactory model of economic dynamics must speak to these important business cycle moments. Noting that most macroeconomic models do not endogenously generate disagreement, we show that a simple 'sticky-information' model broadly matches many of these facts. Moreover, the sticky-information model is consistent with other observed departures of inflation expectations from full rationality, including autocorrelated forecast errors and insufficient sensitivity to recent macroeconomic news.
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N. Gregory Mankiw Harvard University - Department of Economics Ricardo A.M.R. Reis Columbia University Justin Wolfers University of Pennsylvania - Business & Public Policy Department
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19 Jun 03
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26 Nov 03
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Abstract:
Analyzing 50 years of inflation expectations data from several sources, we document substantial disagreement among both consumers and professional economists about expected future inflation. Moreover, this disagreement shows substantial variation through time, moving with inflation, the absolute value of the change in inflation, and relative price variability. We argue that a satisfactory model of economic dynamics must speak to these important business cycle moments. Noting that most macroeconomic models do not endogenously generate disagreement, we show that a simple "sticky-information" model broadly matches many of these facts. Moreover, the sticky-information model is consistent with other observed departures of inflation expectations from full rationality, including autocorrelated forecast errors and insufficient sensitivity to recent macroeconomic news.
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2.
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The Inexorable and Mysterious Tradeoff Between Inflation and Unemployment
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N. Gregory Mankiw Harvard University - Department of Economics
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01 Sep 00
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26 Nov 03
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523 ( 13,354) |
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N. Gregory Mankiw Harvard University - Department of Economics
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05 Jan 01
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26 Nov 03
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474
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This paper discusses the short-run tradeoff between inflation and unemployment. Although this tradeoff remains a necessary building block of business cycle theory, economists have yet to provide a completely satisfactory explanation for it. According to the consensus view among central bankers and monetary economists, a contractionary monetary shock raises unemployment, at least temporarily, and leads to a delayed and gradual fall in inflation. Standard dynamic models of price adjustment, however, cannot explain this pattern of responses. Reconciling the consensus view about the effects of monetary policy with models of price adjustment remains an outstanding puzzle for business cycle theorists.
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N. Gregory Mankiw Harvard University - Department of Economics
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01 Sep 00
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25 Jun 01
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This paper discusses the short-run tradeoff between inflation and unemployment. Although this tradeoff remains a necessary building block of business cycle theory, economists have yet to provide a completely satisfactory explanation for it. According to the consensus view among central bankers and monetary economists, a contractionary monetary shock raises unemployment, at least temporarily, and leads to a delayed and gradual fall in inflation. Standard dynamic models of price adjustment, however, cannot explain this pattern of responses. Reconciling the consensus view about the effects of monetary policy with models of price adjustment remains an outstanding puzzle for business cycle theorists.
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3.
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The Macroeconomist as Scientist and Engineer
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N. Gregory Mankiw Harvard University - Department of Economics
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14 Jul 06
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06 Oct 06
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N. Gregory Mankiw Harvard University - Department of Economics
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14 Jul 06
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14 Jul 06
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This essay offers a brief history of macroeconomics, together with an evaluation of what has been learned over the past several decades. It is based on the premise that the field has evolved through the efforts of two types of macroeconomist - those who understand the field as a type of engineering and those who would like it to be more of a science. While the early macroeconomists were engineers trying to solve practical problems, macroeconomists have more recently focused on developing analytic tools and establishing theoretical principles. These tools and principles, however, have been slow to find their way into applications. As the field of macroeconomics has evolved, one recurrent theme is the interaction - sometimes productive and sometimes not - between the scientists and the engineers.
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N. Gregory Mankiw Harvard University - Department of Economics
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14 Jul 06
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06 Oct 06
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65
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This essay offers a brief history of macroeconomics, together with an evaluation of what has been learned over the past several decades. It is based on the premise that the field has evolved through the efforts of two types of macroeconomist - those who understand the field as a type of engineering and those who would like it to be more of a science. While the early macroeconomists were engineers trying to solve practical problems, macroeconomists have more recently focused on developing analytic tools and establishing theoretical principles. These tools and principles, however, have been slow to find their way into applications. As the field of macroeconomics has evolved, one recurrent theme is the interaction - sometimes productive and sometimes not - between the scientists and the engineers.
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4.
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N. Gregory Mankiw Harvard University - Department of Economics
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15 Feb 06
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16 Feb 06
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487 (14,795)
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This paper discusses five questions the incoming chairman of the Federal Reserve must ponder as he assumes his new post. How important are monetary rules? Should the Fed adopt inflation targeting? Should he be free with his opinions? Should he be a high-profile public figure? Is it more important to be good or lucky?
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5.
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Sticky Information Versus Sticky Prices: A Proposal to Replace the New Keynesian Phillips Curve
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N. Gregory Mankiw Harvard University - Department of Economics Ricardo A.M.R. Reis Columbia University
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Posted:
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01 May 01
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26 Nov 03
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453 ( 16,330) |
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N. Gregory Mankiw Harvard University - Department of Economics Ricardo A.M.R. Reis Columbia University
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10 May 01
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14 May 01
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This paper examines a model of dynamic price adjustment based on the assumption that information disseminates slowly throughout the population. Compared to the commonly used sticky-price model, this sticky-information model displays three, related properties that are more consistent with accepted views about the effects of monetary policy. First, disinflations are always contractionary (although announced disinflations are less contractionary than surprise ones). Second, monetary policy shocks have their maximum impact on inflation with a substantial delay. Third, the change in inflation is positively correlated with the level of economic activity.
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N. Gregory Mankiw Harvard University - Department of Economics Ricardo A.M.R. Reis Columbia University
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01 May 01
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26 Nov 03
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422
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This paper examines a model of dynamic price adjustment based on the assumption that information disseminates slowly throughout the population. Compared to the commonly used sticky-price model, this sticky-information model displays three, related properties that are more consistent with accepted views about the effects of monetary policy. First, disinflations are always contractionary (although announced disinflations are less contractionary than surprise ones). Second, monetary policy shocks have their maximum impact on inflation with a substantial delay. Third, the change in inflation is positively correlated with the level of economic activity.
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6.
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U.S. Monetary Policy During the 1990s
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N. Gregory Mankiw Harvard University - Department of Economics
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Posted:
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07 Aug 01
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26 Nov 03
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445 ( 16,699) |
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N. Gregory Mankiw Harvard University - Department of Economics
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17 Sep 01
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17 Sep 01
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81
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This paper discusses the conduct and performance of U.S. monetary policy during the 1990s, comparing it to policy during the previous several decades. It reaches four broad conclusions. First, the macroeconomic performance of the 1990s was exceptional, especially if judged by the volatility of growth, unemployment, and inflation. Second, much of the good performance was due to good luck arising from the supply-side of the economy: Food and energy prices were well behaved, and productivity growth experienced an unexpected acceleration. Third, monetary policymakers deserve some of the credit by making interest rates more responsive to inflation than was the case in previous periods. Fourth, although the 1990s can be viewed as an example of successful discretionary policy, Fed policymakers may have been engaged in 'covert inflation targeting' at a rate of about 3 percent. The avoidance of an explicit policy rule, however, means that future policymakers inherit only a limited legacy.
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N. Gregory Mankiw Harvard University - Department of Economics
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07 Aug 01
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26 Nov 03
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364
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Abstract:
This paper discusses the conduct and performance of U.S. monetary policy during the 1990s, comparing it to policy during the previous several decades. It reaches four broad conclusions. First, the macroeconomic performance of the 1990s was exceptional, especially if judged by the volatility of growth, unemployment, and inflation. Second, much of the good performance was due to good luck arising from the supply-side of the economy: Food and energy prices were well behaved, and productivity growth experienced an unexpected acceleration. Third, monetary policymakers deserve some of the credit by making interest rates more responsive to inflation than was the case in previous periods. Fourth, although the 1990s can be viewed as an example of successful discretionary policy, Fed policymakers may have been engaged in "covert inflation targeting" at a rate of about 3 percent. The avoidance of an explicit policy rule, however, means that future policymakers inherit only a limited legacy.
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7.
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The Politics and Economics of Offshore Outsourcing
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N. Gregory Mankiw Harvard University - Department of Economics Phillip Swagel Northwestern University - Department of Economics
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Posted:
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28 Jun 06
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20 Oct 06
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425 ( 17,750) |
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N. Gregory Mankiw Harvard University - Department of Economics Phillip Swagel Northwestern University - Department of Economics
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03 Aug 06
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20 Oct 06
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This paper reviews the political uproar over offshore outsourcing connected with the release of the Economic Report of the President (ERP) in February 2004, examines the differing ways in which economists and non-economists talk about offshore outsourcing, and assesses the empirical evidence on the importance of offshore outsourcing in accounting for the weak labor market from 2001 to 2004. Even with important gaps in the data, the empirical literature is able to conclude that offshore outsourcing is unlikely to have accounted for a meaningful part of the job losses in the recent downturn or contributed much to the slow labor market rebound. The empirical evidence to date, while still tentative, actually suggests that increased employment in the overseas affiliates of U.S. multinationals is associated with more employment in the U.S. parent rather than less.
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N. Gregory Mankiw Harvard University - Department of Economics Phillip Swagel Northwestern University - Department of Economics
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28 Jun 06
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28 Jun 06
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345
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Abstract:
This paper reviews the political uproar over offshore outsourcing connected with the release of the Economic Report of the President (ERP) in February 2004, examines the differing ways in which economists and non-economists talk about offshore outsourcing, and assesses the empirical evidence on the importance of offshore outsourcing in accounting for the weak labor market from 2001 to 2004. Even with important gaps in the data, the empirical literature is able to conclude that offshore outsourcing is unlikely to have accounted for a meaningful part of the job losses in the recent downturn or contributed much to the slow labor market rebound. The empirical evidence to date, while still tentative, actually suggests that increased employment in the overseas affiliates of U.S. multinationals is associated with more employment in the U.S. parent rather than less.
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8.
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The NAIRU in Theory and Practice
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Laurence M. Ball Johns Hopkins University - Department of Economics N. Gregory Mankiw Harvard University - Department of Economics
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Posted:
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17 May 02
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26 Nov 03
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408 ( 18,740) |
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Laurence M. Ball Johns Hopkins University - Department of Economics N. Gregory Mankiw Harvard University - Department of Economics
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19 Jul 02
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26 Nov 03
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331
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This paper discusses the NAIRU - the non-accelerating inflation rate of unemployment. It first considers the role of the NAIRU concept in business cycle theory, arguing that this concept is implicit in any model in which monetary policy influences both inflation and unemployment. The exact value of the NAIRU is hard to measure, however, in part because it changes over time. The paper then discusses why the NAIRU changes and, in particular, why it fell in the United States during the 1990s. The most promising hypothesis is that the decline in the NAIRU is attributable to the acceleration in productivity growth.
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Laurence M. Ball Johns Hopkins University - Department of Economics N. Gregory Mankiw Harvard University - Department of Economics
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17 May 02
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17 May 02
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77
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Abstract:
This paper discusses the NAIRU - the non-accelerating inflation rate of unemployment. It first considers the role of the NAIRU concept in business cycle theory, arguing that this concept is implicit in any model in which monetary policy influences both inflation and unemployment. The exact value of the NAIRU is hard to measure, however, in part because it changes over time. The paper then discusses why the NAIRU changes and, in particular, why it fell in the United States during the 1990s. The most promising hypothesis is that the decline in the NAIRU is attributable to the acceleration in productivity growth.
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9.
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What Measure of Inflation Should a Central Bank Target?
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N. Gregory Mankiw Harvard University - Department of Economics Ricardo A.M.R. Reis Columbia University
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Posted:
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12 Nov 02
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03 Aug 05
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397 ( 19,344) |
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N. Gregory Mankiw Harvard University - Department of Economics Ricardo A.M.R. Reis Columbia University
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07 Dec 02
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09 Dec 02
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This paper assumes that a central bank commits itself to maintaining an inflation target and then asks what measure of the inflation rate the central bank should use if it wants to maximize economic stability. The paper first formalizes this problem and examines its microeconomic foundations. It then shows how the weight of a sector in the stability price index depends on the sector's characteristics, including size, cyclical sensitivity, sluggishness of price adjustment, and magnitude of sectoral shocks. When a numerical illustration of the problem is calibrated to U.S. data, one tentative conclusion is that a central bank that wants to achieve maximum stability of economic activity should use a price index that gives substantial weight to the level of nominal wages.
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N. Gregory Mankiw Harvard University - Department of Economics Ricardo A.M.R. Reis Columbia University
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12 Nov 02
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03 Aug 05
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384
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Abstract:
This paper assumes that a central bank commits itself to maintaining an inflation target and then asks what measure of the inflation rate the central bank should use if it wants to maximize economic stability. The paper first formalizes this problem and examines its microeconomic foundations. It then shows how the weight of a sector in the stability price index depends on the sector's characteristics, including size, cyclical sensitivity, sluggishness of price adjustment, and magnitude of sectoral shocks. When a numerical illustration of the problem is calibrated to U.S. data, one tentative conclusion is that a central bank that wants to achieve maximum economic stability of economic activity should use a price index that gives substantial weight to the level of nominal wages.
Inflation targeting, monetary policy
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10.
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The Savers-Spenders Theory of Fiscal Policy
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N. Gregory Mankiw Harvard University - Department of Economics
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Posted:
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30 Apr 00
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26 Nov 03
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290 ( 28,446) |
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N. Gregory Mankiw Harvard University - Department of Economics
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09 Aug 00
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26 Nov 03
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260
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The macroeconomic analysis of fiscal policy is usually based on one of two canonical models--the Barro-Ramsey model of infinitely-lived families or the Diamond-Samuelson model of overlapping generations. This paper argues that neither model is satisfactory and suggests an alternative. In the proposed model, some consumers plan ahead for themselves and their descendants, while others live paycheck to paycheck. This model is easier to reconcile with the essential facts about consumer behavior and wealth accumulation, and it yields some new and surprising conclusions about fiscal policy.
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N. Gregory Mankiw Harvard University - Department of Economics
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30 Apr 00
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02 Feb 02
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The macroeconomic analysis of fiscal policy is usually based on one of two canonical models - the Barro-Ramsey model of infinitely-lived families or the Diamond-Samuelson model of overlapping generations. This paper argues that neither model is satisfactory and suggests an alternative. In the proposed model, some consumers plan ahead for themselves and their descendants, while others live paycheck to paycheck. This model is easier to reconcile with the essential facts about consumer behavior and wealth accumulation, and it yields some new and surprising conclusions about fiscal policy.
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N. Gregory Mankiw Harvard University - Department of Economics Laurence M. Ball Johns Hopkins University - Department of Economics
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01 May 01
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26 Nov 03
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273 (30,518)
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This paper examines the optimal allocation of risk in an overlapping-generations economy. It compares the allocation of risk the economy reaches naturally to the allocation that would be reached if generations behind a Rawlsian "veil of ignorance" could share risk with one another through complete Arrow-Debreu contingent-claims markets. The paper then examines how the government might implement optimal intergenerational risk sharing with a social security system. One conclusion is that the system must either hold equity claims to capital or negatively index benefits to equity returns.
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Dynamic Scoring: A Back-of-the-Envelope Guide
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N. Gregory Mankiw Harvard University - Department of Economics Matthew Weinzierl Harvard University - Department of Economics
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18 Jan 05
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22 May 05
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N. Gregory Mankiw Harvard University - Department of Economics Matthew Weinzierl Harvard University - Department of Economics
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18 Jan 05
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20 Jan 05
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This paper uses the neoclassical growth model to examine the extent to which a tax cut pays for itself through higher economic growth. The model yields simple expressions for the steady-state feedback effect of a tax cut. The feedback is surprisingly large: for standard parameter values, half of a capital tax cut is self-financing. The paper considers various generalizations of the basic model, including elastic labor supply, departures from infinite horizons, and non-neoclassical production settings. It also examines how the steady-state results are modified when one considers the transition path to the steady state.
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N. Gregory Mankiw Harvard University - Department of Economics Matthew Weinzierl Harvard University - Department of Economics
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20 Jan 05
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22 May 05
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This paper uses the neoclassical growth model to examine the extent to which a tax cut pays for itself through higher economic growth. The model yields simple expressions for the steady-state feedback effect of a tax cut. The feedback is surprisingly large: for standard parameter values, half of a capital tax cut is self-financing. The paper considers various generalizations of the basic model, including elastic labor supply departures from infinite horizons, and non-neoclassical production settings. It also examines how the steady-state results are modified when one considers the transition path to the steady state.
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Sticky Information: A Model of Monetary Nonneutrality and Structural Slumps
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N. Gregory Mankiw Harvard University - Department of Economics Ricardo A.M.R. Reis Columbia University
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Posted:
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29 Nov 01
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26 Nov 03
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197 ( 43,185) |
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N. Gregory Mankiw Harvard University - Department of Economics Ricardo A.M.R. Reis Columbia University
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14 Dec 01
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26 Nov 03
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This paper explores a model of wage adjustment based on the assumption that information disseminates slowly throughout the population of wage setters. This informational frictional yields interesting and plausible dynamics for employment and inflation in response to exogenous movements in monetary policy and productivity. In this model, disinflations and productivity slowdowns have a parallel effect: They both cause the path of employment to fall below the level that would prevail under full information. The model implies that, in the face of productivity change, a policy of targeting either nominal income or the nominal wage leads to more stable employment than does a policy of targeting the price of goods and services. Finally, we examine U.S. time series and find that, as the model predicts, unemployment fluctuations are associated with both inflation and productivity surprises.
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N. Gregory Mankiw Harvard University - Department of Economics Ricardo A.M.R. Reis Columbia University
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29 Nov 01
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13 Dec 01
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This paper explores a model of wage adjustment based on the assumption that information disseminates slowly throughout the population of wage setters. This informational frictional yields interesting and plausible dynamics for employment and inflation in response to exogenous movements in monetary policy and productivity. In this model, disinflations and productivity slowdowns have a parallel effect: They both cause the path of employment to fall below the level that would prevail under full information. The model implies that, in the face of productivity change, a policy of targeting either nominal income or the nominal wage leads to more stable employment than does a policy of targeting the price of goods and services. Finally, we examine U.S. time series and find that, as the model predicts, unemployment fluctuations are associated with both inflation and productivity surprises.
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14.
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Monetary Policy for Inattentive Economies
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Laurence M. Ball Johns Hopkins University - Department of Economics N. Gregory Mankiw Harvard University - Department of Economics Ricardo A.M.R. Reis Columbia University
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Posted:
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13 Feb 03
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10 Apr 03
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173 ( 49,207) |
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Laurence M. Ball Johns Hopkins University - Department of Economics N. Gregory Mankiw Harvard University - Department of Economics Ricardo A.M.R. Reis Columbia University
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15 Mar 03
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10 Apr 03
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153
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Abstract:
This paper is a contribution to the analysis of optimal monetary policy. It begins with a critical assessment of the existing literature, arguing that most work is based on implausible models of inflation-output dynamics. It then suggests that this problem may be solved with some recent behavioral models, which assume that price setters are slow to incorporate macroeconomic information into the prices they set. A specific such model is developed and used to derive optimal policy. In response to shocks to productivity and aggregate demand, optimal policy is price level targeting. Base drift in the price level, which is implicit in the inflation targeting regimes currently used in many central banks, is not desirable in this model. When shocks to desired markups are added, optimal policy is flexible targeting of the price level. That is, the central bank should allow the price level to deviate from its target for a while in response to these supply shocks, but it should eventually return the price level to its target path. Optimal policy can also be described as an elastic price standard: the central bank allows the price level to deviate from its target when output is expected to deviate from its natural rate.
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Laurence M. Ball Johns Hopkins University - Department of Economics N. Gregory Mankiw Harvard University - Department of Economics Ricardo A.M.R. Reis Columbia University
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| Posted: |
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13 Feb 03
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Last Revised:
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13 Feb 03
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20
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44
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| |
Abstract:
This paper is a contribution to the analysis of optimal monetary policy. It begins with a critical assessment of the existing literature, arguing that most work is based on implausible models of inflation-output dynamics. It then suggests that this problem may be solved with some recent behavioral models, which assume that price setters are slow to incorporate macroeconomic information into the prices they set. A specific such model is developed and used to derive optimal policy. In response to shocks to productivity and aggregate demand, optimal policy is price level targeting. Base drift in the price level, which is implicit in the inflation targeting regimes currently used in many central banks, is not desirable in this model. When shocks to desired markups are added, optimal policy is flexible targeting of the price level. That is, the central bank should allow the price level to deviate from its target for a while in response to these supply shocks, but it should eventually return the price level to its target path. Optimal policy can also be described as an elastic price standard: the central bank allows the price level to deviate from its target when output is expected to deviate from its natural rate.
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15.
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N. Gregory Mankiw Harvard University - Department of Economics Matthew Weinzierl Harvard Business School - Business, Government and the International Economy Unit Danny Yagan Harvard University
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| Posted: |
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12 Jun 09
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Last Revised:
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12 Jun 09
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164 (51,860)
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Abstract:
We highlight and explain eight lessons from optimal tax theory and compare them to the last few decades of OECD tax policy. As recommended by theory, top marginal income tax rates have declined, marginal income tax schedules have flattened, redistribution has risen with income inequality, and commodity taxes are more uniform and are typically assessed on final goods. However, trends in capital taxation are mixed, and capital income tax rates remain well above the zero level recommended by theory. Moreover, some of theory's more subtle prescriptions, such as taxes that involve personal characteristics, asset-testing, and history-dependence, remain rare in practice. Where large gaps between theory and policy remain, the difficult question is whether policymakers need to learn more from theorists, or the other way around.
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16.
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N. Gregory Mankiw Harvard University - Department of Economics David N. Weil Brown University - Department of Economics
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| Posted: |
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14 Jan 01
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Last Revised:
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14 Jan 01
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152 (55,695)
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49
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Abstract:
This paper examines the impact of major demographic changes on the housing market in the United States. The entry of the Baby Boom generation into its house-buying years is found to be the major cause of the increase in real housing prices in the 1970s. Since the Baby Bust generation is now entering its house-buying years, housing demand will grow more slowly in the 1990s than in any time in the past forty years. If the historical relation between housing demand and housing prices continues into the future, real housing prices will fall substantially over the next two decades.
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17.
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N. Gregory Mankiw Harvard University - Department of Economics Matthew Weinzierl Harvard University - Department of Economics Danny Yagan Harvard University
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| Posted: |
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11 Jun 09
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Last Revised:
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11 Jun 09
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144 (58,579)
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| |
Abstract:
We highlight and explain eight lessons from optimal tax theory and compare them to the last few decades of OECD tax policy. As recommended by theory, top marginal income tax rates have declined, marginal income tax schedules have flattened, redistribution has risen with income inequality, and commodity taxes are more uniform and are typically assessed on final goods. However, trends in capital taxation are mixed, and capital income tax rates remain well above the zero level recommended by theory. Moreover, some of theory's more subtle prescriptions, such as taxes that involve personal characteristics, asset-testing, and history-dependence, remain rare in practice. Where large gaps between theory and policy remain, the difficult question is whether policymakers need to learn more from theorists, or the other way around.
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18.
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John Y. Campbell Harvard University - Department of Economics N. Gregory Mankiw Harvard University - Department of Economics
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| Posted: |
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25 Oct 00
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Last Revised:
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25 Oct 00
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140 (60,033)
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161
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Abstract:
This paper proposes that the time-series data on consumption, income, and interest rates are best viewed as generated not by a single representative consumer but by two groups of consumers. Half the consumers are forward-looking and consume their permanent income, but are extremely reluctant to substitute consumption intertemporally. Half the consumers follow the "rule of thumb" of consuming their current income. The paper documents three empirical regularities that, it argues, are best explained by this model. First, expected changes in income are associated with expected changes in consumption. Second, expected real interest rates are not associated with expected changes in consumption. Third, periods in which consumption is high relative to income are typically followed by high growth in income. The paper concludes by briefly discussing the implications of these findings for economic policy and economic research.
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19.
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Laurence M. Ball Johns Hopkins University - Department of Economics N. Gregory Mankiw Harvard University - Department of Economics David H. Romer University of California, Berkeley - Department of Economics
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| Posted: |
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16 Jul 04
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Last Revised:
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16 Jul 04
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134 (62,373)
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66
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Abstract:
The purpose of this paper is to provide evidence supporting new Keynesian theories. We point out a simple prediction of Keynesian models that contradicts other leading macroeconomic theories and show that it holds in actual economies. In doing so, we point out a "new phenomenon" that Keynesian theories "render comprehensible." The prediction we that we test concerns the effects of steady inflation. In Keynesian models, nominal shocks have real effects because nominal prices change infrequently. An increase in the average rate of inflation causes firms to adjust prices more frequently to keep up with the rising price level. In turn, more frequent price changes imply that prices adjust more quickly to nominal shocks, and thus that the shocks have smaller real effects. We test this prediction by examining the relation between average inflation and the size of the real effects of nominal shocks both across countries and over time. We measure the effects of nominal shocks by the slope of the short-run Phillips curve.
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20.
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Niko Canner Harvard University - Department of Economics N. Gregory Mankiw Harvard University - Department of Economics David N. Weil Brown University - Department of Economics
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| Posted: |
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12 Jul 00
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Last Revised:
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21 Apr 08
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112 (72,366)
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56
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Abstract:
This paper examines popular advice on portfolio allocation among cash, bonds, and stocks. It documents that this advice is inconsistent with the mutual-fund separation theorem, which states that all investors should hold the same composition of risky assets. In contrast to the theorem, popular advisors recommend that aggressive investors hold a lower ratio of bonds to stocks than conservative investors. The paper explores various possible explanations of this puzzle. It concludes that the portfolio recommendations can be explained if popular advisors base their advice on the unconditional distribution of nominal returns. It also finds that the cost of this money illusion is small, as measured by the distance of the recommended portfolios from the mean-variance efficient frontier.
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21.
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N. Gregory Mankiw Harvard University - Department of Economics Ricardo A.M.R. Reis Columbia University
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| Posted: |
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28 Feb 06
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Last Revised:
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20 Mar 06
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99 (79,331)
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11
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| |
Abstract:
This paper explores a macroeconomic model of the business cycle in which stickiness of information is pervasive. We start from a familiar benchmark classical model and add to it the assumption that there is sticky information on the part of consumers, workers, and firms. We evaluate the model against three key facts that describe shortrun fluctuations: the acceleration phenomenon, the smoothness of real wages, and the gradual response of real variables to shocks. We find that pervasive stickiness is required to fit the facts. We conclude that models based on stickiness of information offer the promise of fitting the facts on business cycles while adding only one new plausible ingredient to the classical benchmark.
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22.
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N. Gregory Mankiw Harvard University - Department of Economics Matthew Weinzierl Harvard Business School - Business, Government and the International Economy Unit
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| Posted: |
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11 Jun 09
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Last Revised:
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11 Jun 09
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76 (94,820)
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8
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Abstract:
Should the income tax include a credit for short taxpayers and a surcharge for tall ones? The standard Utilitarian framework for tax analysis answers this question in the affirmative. Moreover, a plausible parameterization using data on height and wages implies a substantial height tax: a tall person earning $50,000 should pay $4,500 more in tax than a short person. One interpretation is that personal attributes correlated with wages should be considered more widely for determining taxes. Alternatively, if policies such as a height tax are rejected, then the standard Utilitarian framework must fail to capture intuitive notions of distributive justice.
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23.
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N. Gregory Mankiw Harvard University - Department of Economics
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| Posted: |
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03 Feb 01
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Last Revised:
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03 Feb 01
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75 (95,628)
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11
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Abstract:
This paper presents a non-technical discussion of some of the important developments in macroeconomics over the past twenty years. It considers three broad catagories of research. First, it discusses how the notion of rational expectations has affected economists' views on the role of economic policy, the debate over rules versus discretion, and empirical work in macroeconomics Second, it discusses various new classical approaches to the business cycle, including imperfect information theories, real business cycle theories, and sectoral shift theories. Third, it discusses various new Keynesian approaches to the business cycle, includes theories based on general disequilibrium, labor contracting, and menu costs.
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24.
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John Y. Campbell Harvard University - Department of Economics N. Gregory Mankiw Harvard University - Department of Economics
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| Posted: |
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25 Jun 04
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Last Revised:
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25 Jun 04
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67 (102,349)
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61
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Abstract:
This paper reexamines the consistency of the permanent income hypothesis with aggregate, post-war, United States data. The permanent income hypothesis is nested within a more general model in which a fraction of income accrues to individuals who consume their current income rather than their permanent income. This fraction is estimated to be 40 or 50 percent, indicating a substantial departure from the permanent income hypothesis. This finding is robust to various statistical problems that have plagued previous work, such as time aggregation, and cannot be easily explained by appealing to changes in the real interest rate or to non-separabilities in the utility function.
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25.
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Andrew B. Abel University of Pennsylvania - Finance Department N. Gregory Mankiw Harvard University - Department of Economics Lawrence H. Summers Harvard University Richard J. Zeckhauser Harvard University - John F. Kennedy School of Government
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| Posted: |
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04 Apr 04
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Last Revised:
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04 Apr 04
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61 (107,792)
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54
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| |
Abstract:
No abstract is available for this paper.
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26.
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N. Gregory Mankiw Harvard University - Department of Economics
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| Posted: |
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16 Jul 04
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Last Revised:
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17 Apr 08
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59 (109,609)
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15
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| |
Abstract:
The relationship between long-term and short-term interest rates is crucial for macroeconomic policy evaluation. Since the short-term interest rate is the opportunity cost of holding money, it is widely believed that the Federal Reserve has more direct control over short-term than over long-term interest rates in the United States. Yet if capital is costly to adjust or takes time to place into use, investment decisions may depend on long-term interest rates. The term structure of interest rates thus appears central to the monetary transmission mechanism. Unfortunately, the determinants of the term structure remain poorly understood. This paper uses data from the United States, Canada, and the United Kingdom, and Germany to examine various hypotheses regarding the term structure. My goal is to see whether the experiences of these four countries since 1960 can help provide a general explanation of the term structure. In the United States many observers believe the large variations in the long-term interest rate since 1979 are not adequately explained by movements in short-term interest rates. Of particular interest is whether the experience of the United States in these and earlier years merely reflects an unusual historical episode. If it does, it would be inappropriate to draw any general conclusions from this experience or to extrapolate this experience into the future. This study is in part motivated by apparent differences between recent experience in the United States and experience elsewhere. In 1985, the rate on long-term government bonds in the United States exceeded the rate on three-month Treasury bills by more than 300 basis points. By contrast, the long-term interest rate in the United Kingdom was more than 100 basis points below the short-term interest rate. Interpreting such divergent national experiences is the primary purpose of studying the term structure more generally.
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27.
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Government Debt
|
Show Abstracts |
Hide Abstracts |
Versions (2)
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hide multiple versions |
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|
Douglas W. Elmendorf Federal Reserve Board - Macroeconomic Analysis Section N. Gregory Mankiw Harvard University - Department of Economics
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Posted:
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|
03 Jul 98
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Last Revised:
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26 Nov 03
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59 (109,609) |
39
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Douglas W. Elmendorf Federal Reserve Board - Macroeconomic Analysis Section N. Gregory Mankiw Harvard University - Department of Economics
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| Posted: |
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02 Sep 00
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Last Revised:
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02 Sep 00
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59
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39
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| |
Abstract:
This paper surveys the literature on the macroeconomic effects of government debt. It begins by discussing the data on debt and deficits, including the historical time series, measurement issues, and projections of future fiscal policy. The paper then presents the conventional theory of government debt, which emphasizes aggregate demand in the short run and crowding out in the long run. It next examines the theoretical and empirical debate over the theory of debt neutrality called Ricardian equivalence. Finally, the paper considers the various normative perspectives about how the government should use its ability to borrow.
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Douglas W. Elmendorf Federal Reserve Board - Macroeconomic Analysis Section N. Gregory Mankiw Harvard University - Department of Economics
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| Posted: |
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03 Jul 98
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Last Revised:
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26 Nov 03
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0
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| |
Abstract:
This paper surveys the literature on the macroeconomic effects of government debt. It begins by discussing the data on debt and deficits, including the historical time series, measurement issues, and projections of future fiscal policy. The paper then presents the conventional theory of government debt, which emphasizes aggregate demand in the short run and crowding out in the long run. It next examines the theoretical and empirical debate over the theory of debt neutrality called Ricardian equivalence. Finally, the paper considers the various normative perspectives about how the government should use its ability to borrow.
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28.
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N. Gregory Mankiw Harvard University - Department of Economics Matthew Weinzierl Harvard University - Department of Economics
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| Posted: |
|
31 May 09
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Last Revised:
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31 May 09
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57 (111,577)
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8
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| |
Abstract:
Should the income tax include a credit for short taxpayers and a surcharge for tall ones? The standard Utilitarian framework for tax analysis answers this question in the affirmative. Moreover, a plausible parameterization using data on height and wages implies a substantial height tax: a tall person earning $50,000 should pay $4,500 more in tax than a short person. One interpretation is that personal attributes correlated with wages should be considered more widely for determining taxes. Alternatively, if policies such as a height tax are rejected, then the standard Utilitarian framework must fail to capture intuitive notions of distributive justice.
|
|
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29.
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N. Gregory Mankiw Harvard University - Department of Economics
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| Posted: |
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15 Jul 04
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Last Revised:
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15 Jul 04
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52 (116,520)
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80
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| |
Abstract:
No abstract is available for this paper.
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30.
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Robert J. Barro Harvard University - Department of Economics N. Gregory Mankiw Harvard University - Department of Economics Xavier Xavier Sala-i-Martin Columbia University, Graduate School of Arts and Sciences, Department of Economics
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| Posted: |
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13 Jul 00
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Last Revised:
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13 Jul 00
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48 (120,776)
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72
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| |
Abstract:
null
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31.
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N. Gregory Mankiw Harvard University - Department of Economics
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| Posted: |
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05 Jul 04
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Last Revised:
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06 Sep 08
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46 (123,010)
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27
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| |
Abstract:
No abstract is available for this paper.
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32.
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Laurence M. Ball Johns Hopkins University - Department of Economics N. Gregory Mankiw Harvard University - Department of Economics
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| Posted: |
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29 Dec 00
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Last Revised:
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29 Dec 00
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45 (124,093)
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22
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Abstract:
While changes in the demand for skilled labor appear to have led to a widening of the wage structures in many countries during the 1980s, considerable differences in the level of wage inequality remain. In this paper, we examine the sources of these differences, focusing primarily on explaining the considerably higher level of wage inequality in the U.S. We find that the greater overall dispersion of the U.S. wage distribution reflects considerably more compression at the bottom of the distribution in the other countries, but relatively little difference in the degree of wage inequality at the top. While differences in the distribution of measured characteristics help to explain some aspects of the international differences, U.S. labor market prices--that is, higher rewards to labor market skills--are an important factor. Labor market institutions, chiefly the relatively decentralized wage-setting mechanisms in the U.S. compared to other countries, appear to provide the most persuasive explanation for these international differences in prices. In contrast, the pattern of cross-country differences in relative supplies of and demands for skills does not appear to be consistent with the pattern of observed differences in wage inequality.
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33.
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N. Gregory Mankiw Harvard University - Department of Economics James M. Poterba Massachusetts Institute of Technology (MIT) - Department of Economics
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| Posted: |
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01 Jul 00
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Last Revised:
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25 Mar 08
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45 (124,093)
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10
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| |
Abstract:
This paper proposes an alternative to the traditional model for explaining the spread between taxable and tax-exempt bond yields. This alternative model is a special case of a general class of clientele models of portfolio choice and asset market equilibrium. In particular, we consider a setting with two types of investors, a taxable investor and a tax-exempt investor, who hold specialized bond portfolios. The tax-exempt investor holds only taxable bonds, and the taxable investor holds only tax-exempt bonds. Both investors hold equity, and the taxable and tax-exempt bond markets are linked through the equilibrium conditions governing equity holding and bond holding for each type of investor. In contrast to the traditional model, this alternative model has the potential to explain the small observed spread between taxable and tax-exempt yields. In addition, this model predicts that the yield spread between taxable and tax-exempt bonds should be an increasing function of the dividend yield on corporate stocks. Although the substantial changes in the tax code during the last four decades complicate the testing of this model, we find some support for the predicted relationship between the equity dividend yield and the yield spread between taxable and tax-exempt bonds.
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34.
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Laurence M. Ball Johns Hopkins University - Department of Economics N. Gregory Mankiw Harvard University - Department of Economics
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| Posted: |
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10 Jun 00
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Last Revised:
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10 Jun 00
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42 (127,637)
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8
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| |
Abstract:
This paper discusses the effects of budget deficits on the economy in four steps. First, it reviews standard theory about how budget deficits influence saving, investment, the trade balance, interest rates, exchange rates, and long-term growth. Second, it offers a rough estimate of the magnitude of some of the effects. Third, it discusses how budget deficits affect economic welfare. Finally, it considers the possibility that continuing budget deficits in a country could lead to a 'hard landing' in which the demand for the country's assets suddenly collapses.
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35.
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N. Gregory Mankiw Harvard University - Department of Economics
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| Posted: |
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06 Apr 07
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Last Revised:
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06 Apr 07
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37 (133,784)
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10
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| |
Abstract:
This paper presents a simple general equilibrium model in which the only non-Walrasian feature is imperfect competition in the goods market. The model is shown to exhibit various Keynesian characteristics. In particular, as competition in the goods market becomes less perfect, the fiscal policy multipliers approach the values implied by the textbook Keynesian cross.
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36.
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Pervasive Stickiness (Expanded Version)
|
Show Abstracts |
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Versions (2)
|
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Export Bibliographic Info |
|
Ricardo A.M.R. Reis Columbia University N. Gregory Mankiw Harvard University - Department of Economics
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Posted:
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27 Apr 06
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Last Revised:
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14 Jun 06
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37 (133,784) |
2
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Ricardo A.M.R. Reis Columbia University N. Gregory Mankiw Harvard University - Department of Economics
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| Posted: |
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14 Jun 06
|
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Last Revised:
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14 Jun 06
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20
|
2
|
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| |
Abstract:
This paper explores a macroeconomic model of the business cycle in which stickiness of information is pervasive. We start from a familiar benchmark classical model and add to it the assumption that there is sticky information on the part of consumers, workers, and firms. We evaluate the model against three key facts that describe short-run fluctuations: the acceleration phenomenon, the smoothness of real wages, and the gradual response of real variables to shocks. We find that pervasive stickiness is required to fit the facts. We conclude that models based on stickiness of information offer the promise of fitting the facts on business cycles while adding only one new plausible ingredient to the classical benchmark.
Business cycles, sticky information
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N. Gregory Mankiw Harvard University - Department of Economics Ricardo A.M.R. Reis Columbia University
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| Posted: |
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27 Apr 06
|
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Last Revised:
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27 Apr 06
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17
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2
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| |
Abstract:
This paper explores a macroeconomic model of the business cycle in which stickiness of information is pervasive. We start from a familiar benchmark classical model and add to it the assumption that there is sticky information on the part of consumers, workers, and firms. We evaluate the model against three key facts that describe short-run fluctuations: the acceleration phenomenon, the smoothness of real wages, and the gradual response of real variables to shocks. We find that pervasive stickiness is required to fit the facts. We conclude that models based on stickiness of information offer the promise of fitting the facts on business cycles while adding only one new plausible ingredient to the classical benchmark.
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37.
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N. Gregory Mankiw Harvard University - Department of Economics
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| Posted: |
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16 Jul 04
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Last Revised:
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16 Jul 04
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31 (142,112)
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17
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| |
Abstract:
This paper presents and tests a positive theory of monetary and fiscal policy. The government chooses the rates of taxation and inflation to minimize the present value of the social cost of raising revenue given exogenous expenditure and an intertemporal budget constraint. The theory implies that nominal interest rates and inflation are random walks. It also implies that nominal interest rates and inflation move together with tax rates. United States data from 1952 to 1985 provide some support for the theory.
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38.
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Intergenerational Risk Sharing in the Spirit of Arrow, Debreu, and Rawls, with Applications to Social Security Design
|
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|
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Laurence M. Ball Johns Hopkins University - Department of Economics N. Gregory Mankiw Harvard University - Department of Economics
|
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Posted:
|
|
05 May 01
|
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Last Revised:
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20 Dec 07
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30 (143,661) |
9
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Laurence M. Ball Johns Hopkins University - Department of Economics N. Gregory Mankiw Harvard University - Department of Economics
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| Posted: |
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20 Dec 07
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Last Revised:
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20 Dec 07
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0
|
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| |
Abstract:
This paper examines the optimal allocation of risk in an overlapping-generations economy. It compares the allocation of risk the economy reaches naturally to the allocation that would be reached if generations behind a Rawlsian "veil of ignorance" could share risk with one another through complete Arrow-Debreu contingent-claims markets. The paper then examines how the government might implement optimal intergenerational risk sharing with a social security system. One conclusion is that the system must either hold equity claims to capital or negatively index benefits to equity returns.
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Laurence M. Ball Johns Hopkins University - Department of Economics N. Gregory Mankiw Harvard University - Department of Economics
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| Posted: |
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05 May 01
|
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Last Revised:
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16 May 02
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30
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9
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| |
Abstract:
This paper examines the optimal allocation of risk in an overlapping-generations economy. It compares the allocation of risk the economy reaches naturally to the allocation that would be reached if generations behind a Rawlsian 'veil of ignorance' could share risk with one another through complete Arrow-Debreu contingent-claims markets. The paper then examines how the government might implement optimal intergenerational risk sharing with a social security system. One conclusion is that the system must either hold equity claims to capital or negatively index benefits to equity returns.
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39.
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N. Gregory Mankiw Harvard University - Department of Economics
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| Posted: |
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08 Jul 04
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Last Revised:
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08 Jul 04
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30 (143,661)
|
64
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Abstract:
No abstract is available for this paper.
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40.
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N. Gregory Mankiw Harvard University - Department of Economics Jeffrey A. Miron Harvard University - Department of Economics
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| Posted: |
|
06 Jul 04
|
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Last Revised:
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14 Apr 08
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30 (143,661)
|
55
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| |
Abstract:
We reexamine the expectations theory of the term structure using data at the short end of the maturity spectrum. We find that prior to the founding of the Federal Reserve System in 1915, the spread between long rates and short rates has substantial predictive power for the path of interest rates; after 1915, however, the spread contains much less predictive power. We then show that the short rate is approximately a random walk after the founding of the Fed but not before. This latter fact, coupled with even slight variation in the term premium, can explain the observed change in 1915 in the performance of the expectations theory. We suggest that the random walk character of the short rate may be attributable to the Federal Reserve's commitment to stabilizing interest rates.
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41.
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N. Gregory Mankiw Harvard University - Department of Economics
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| Posted: |
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07 Apr 04
|
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Last Revised:
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07 Apr 04
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30 (143,661)
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17
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Abstract:
One important channel through which real interest rates affect aggregate demand is consumer expenditure on durable goods. This paper examines empirically the link between interest rates and consumer durables. Solving for the decision rule relating income and interest rates to consumer demand is an intractable task. This paper avoids this problem by examining the first-order conditions necessary for maximization by the representative consumer. Structural parameters of there presentative utility function are thus recovered. The estimated model suggests that expenditure on consumer durables is far more sensitive to changes in the interest rate than is expenditure on nondurables and services.
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42.
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N. Gregory Mankiw Harvard University - Department of Economics Lawrence H. Summers Harvard University
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| Posted: |
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22 Feb 01
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Last Revised:
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09 Jan 02
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30 (143,661)
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1
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Abstract:
In this paper, we re-examine the standard analysis of the short-run effect of a personal tax cut. If consumer spending generates more money demand than other components of GNP, then tax cuts may, by increasing the demand for money, depress aggregate demand. We examine a variety of evidence and conclude that the necessary condition for contractionary tax cuts is probably satisfied for the U.S. economy.
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43.
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The Deficit Gamble
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Versions (2)
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hide multiple versions |
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Laurence M. Ball Johns Hopkins University - Department of Economics Douglas W. Elmendorf Federal Reserve Board - Macroeconomic Analysis Section N. Gregory Mankiw Harvard University - Department of Economics
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Posted:
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04 Sep 98
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27 Jun 00
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30 (143,661) |
5
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Laurence M. Ball Johns Hopkins University - Department of Economics Douglas W. Elmendorf Federal Reserve Board - Macroeconomic Analysis Section N. Gregory Mankiw Harvard University - Department of Economics
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| Posted: |
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27 Jun 00
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27 Jun 00
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30
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5
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Abstract:
The historical behavior of interest rates and growth rates in U.S. data suggests that the government can, with a high probability, run temporary budget deficits and then roll over the resulting government debt forever. The purpose of this paper is to document this finding and to examine its implications. Using a standard overlapping-generations model of capital accumulation, we show that whenever a perpetual rollover of debt succeeds, policy can make every generation better off. This conclusion does not imply that deficits are good policy, for an attempt to roll over debt forever might fail. But the adverse effects of deficits, rather than being inevitable, occur with only a small probability.
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Laurence M. Ball Johns Hopkins University - Department of Economics Douglas W. Elmendorf Federal Reserve Board - Macroeconomic Analysis Section N. Gregory Mankiw Harvard University - Department of Economics
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| Posted: |
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04 Sep 98
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Last Revised:
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04 Sep 98
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0
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Abstract:
The historical behavior of interest rates and growth rates in U.S. data suggests that the government can, with a high probability, run temporary budget deficits and then roll over the resulting government debt forever. The purpose of this paper is to document this finding and to examine its implications. Using a standard overlapping-generations model of capital accumulation, we show that whenever a perpetual rollover of debt succeeds, policy can make every generation better off. This conclusion does not imply that deficits are good policy, for an attempt to roll over debt forever might fail. But the adverse effects of deficits, rather than being inevitable, occur with only a small probability.
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44.
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N. Gregory Mankiw Harvard University - Department of Economics Matthew Weinzierl Harvard University - Department of Economics
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| Posted: |
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26 May 09
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Last Revised:
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09 Jun 09
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29 (145,369)
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8
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Abstract:
Should the income tax include a credit for short taxpayers and a surcharge for tall ones? The standard Utilitarian framework for tax analysis answers this question in the affirmative. Moreover, a plausible parameterization using data on height and wages implies a substantial height tax: a tall person earning $50,000 should pay $4,500 more in tax than a short person. One interpretation is that personal attributes correlated with wages should be considered more widely for determining taxes. Alternatively, if policies such as a height tax are rejected, then the standard Utilitarian framework must fail to capture intuitive notions of distributive justice.
Institutional subscribers to the NBER working paper series, and residents of developing countries may download this paper without additional charge at www.nber.org.
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45.
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N. Gregory Mankiw Harvard University - Department of Economics Matthew D. Shapiro University of Michigan at Ann Arbor - Department of Economics
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| Posted: |
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28 Jun 04
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Last Revised:
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04 Oct 08
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28 (147,131)
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36
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Abstract:
The interaction between the macroeconomy and asset markets is central to a variety of modern theories of the business cycle. Much recentwork emphasizes the joint nature of the consumption decision and the portfolio allocation decision. In this paper, we compare two formulations of the Capital Asset Pricing Model. The traditional CAPM suggests that the appropriate measure of an asset`s risk is the covariance of the asset`s return with the market return. The consumption CAPM, on the other hand, implies that a better measure of risk is the covariance with aggregate consumption growth. We examine a cross section of 464 stocks and find that the beta measured with respect to a stock market index outperforms the beta measured with respect to consumption growth.
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46.
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Olivier J. Blanchard Massachusetts Institute of Technology (MIT) - Department of Economics N. Gregory Mankiw Harvard University - Department of Economics
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| Posted: |
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24 Jan 07
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24 Jan 07
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27 (149,099)
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2
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Abstract:
This paper discusses the recent research on the consumption function that has attempted to relax the assumption of certainty equivalence. While there remain many open questions, both theoretical and empirical, it is clear that the assumption of certainty equivalence can be misleading. Under more plausible specifications of preferences toward risk, uncertainty lowers the level of consumption, increases the expected rate of growth of consumption, and increases the response of consumption to news about income. Moreover, changes in the amount of uncertainty are a potentially important source of fluctuations in consumption.
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47.
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N. Gregory Mankiw Harvard University - Department of Economics Lawrence H. Summers Harvard University
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| Posted: |
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27 Apr 00
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Last Revised:
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23 Jan 02
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27 (149,099)
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8
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Abstract:
This paper examines the hypothesis that financial markets are myopic by studying the term structure of interest rates. White rejecting decisively the traditional expectations hypothesis regarding the term structure, our statistical results also lead us to conclude that long term interest rates do not overreact to either the level or the change in short termrates. This finding suggests that participants in bond markets are not myopic or overly sensitive to recent events. Our statistical results also suggest that most variations in the yield curve reflect changes in liquidity premia rather than expected changes in interest rates.
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48.
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N. Gregory Mankiw Harvard University - Department of Economics
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| Posted: |
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28 Jun 04
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Last Revised:
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28 Jun 04
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26 (151,187)
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23
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Abstract:
This paper is a critique of the latest new classical theory of economic fluctuations. According to this theory, the business cycle is the natural and efficient response of the economy to exogenous changes in the available production technology. The paper discusses several versions of this theory and argues that this line of research is unlikely to yield an empirically plausible explanation of observed economic fluctuations.
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49.
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Robert E. Hall Stanford University - The Hoover Institution on War, Revolution and Peace N. Gregory Mankiw Harvard University - Department of Economics
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| Posted: |
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27 Apr 00
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Last Revised:
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18 Jul 01
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26 (151,187)
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19
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Abstract:
null
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50.
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N. Gregory Mankiw Harvard University - Department of Economics
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| Posted: |
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07 Aug 07
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Last Revised:
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07 Aug 07
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25 (153,454)
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1
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Abstract:
No abstract is available for this paper.
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51.
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Optimal Advice for Monetary Policy
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Versions (2)
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Susanto Basu National Bureau of Economic Research (NBER) Miles S. Kimball University of Michigan at Ann Arbor - Department of Economics N. Gregory Mankiw Harvard University - Department of Economics David N. Weil Brown University - Department of Economics
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Posted:
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14 Apr 07
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Last Revised:
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07 Nov 07
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23 (158,456) |
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Susanto Basu National Bureau of Economic Research (NBER) Miles S. Kimball University of Michigan at Ann Arbor - Department of Economics N. Gregory Mankiw Harvard University - Department of Economics
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| Posted: |
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14 Apr 07
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14 Apr 07
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12
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Abstract:
This paper addresses the issue of how to give optimal advice about monetary policy when it is known that the advice may not be heeded. We examine a simple macroeconomic model in which monetary policy has the ability to stabilize output by offsetting exogenous shocks to aggregate demand. The optimal policy rule for such a model is easily derived. But an advisor who knows that his advice may not be followed should not recommend the optimal policy rule. This is true because, in giving activist advice, such an advisor increases uncertainty about what monetary policy will be followed. We solve for the rule that such an advisor should use in giving advice.
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Susanto Basu National Bureau of Economic Research (NBER) Miles S. Kimball University of Michigan at Ann Arbor - Department of Economics N. Gregory Mankiw Harvard University - Department of Economics David N. Weil Brown University - Department of Economics
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| Posted: |
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07 Nov 07
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07 Nov 07
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11
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Abstract:
No abstract is available for this paper.
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52.
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N. Gregory Mankiw Harvard University - Department of Economics Ricardo A.M.R. Reis Columbia University
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| Posted: |
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23 Oct 06
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Last Revised:
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08 Mar 07
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22 (161,168)
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10
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Abstract:
This paper develops and analyzes a general-equilibrium model with sticky information. The only rigidity in goods, labor, and financial markets is that agents are inattentive, sporadically updating their information sets, when setting prices, wages, and consumption. After presenting the ingredients of such a model, the paper develops an algorithm to solve this class of models and uses it to study the model's dynamic properties. It then estimates the parameters of the model using U.S. data on five key macroeconomic time series. It finds that information stickiness is present in all markets, and is especially pronounced for consumers and workers. Variance decompositions show that monetary policy and aggregate demand shocks account for most of the variance of inflation, output, and hours.
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53.
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Laurence M. Ball Johns Hopkins University - Department of Economics N. Gregory Mankiw Harvard University - Department of Economics
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| Posted: |
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04 Apr 04
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Last Revised:
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04 Apr 04
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22 (161,168)
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69
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Abstract:
No abstract is available for this paper.
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54.
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John Y. Campbell Harvard University - Department of Economics N. Gregory Mankiw Harvard University - Department of Economics
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| Posted: |
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04 Apr 04
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Last Revised:
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04 Apr 04
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22 (161,168)
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27
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Abstract:
No abstract is available for this paper.
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55.
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N. Gregory Mankiw Harvard University - Department of Economics Matthew D. Shapiro University of Michigan at Ann Arbor - Department of Economics
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| Posted: |
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02 Jan 07
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Last Revised:
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02 Jan 07
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20 (166,866)
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44
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Abstract:
We examine the small sample properties of tests of rational expectations models. We show using Monte Carlo experiments that the asymptotic distribution of test statistics can be extremely misleading when the tine series examined are highly autoregressive. In particular, a practitioner relying on the asymptotic distribution will reject true models too frequently. We also show that this problem is especially severe with detrended data. We present correct small sample critical values for our canonical problem.
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56.
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N. Gregory Mankiw Harvard University - Department of Economics
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| Posted: |
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06 Apr 07
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Last Revised:
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18 Jul 07
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19 (169,766)
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10
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Abstract:
This paper outlines the major developments in macroeconomics over the past two decades. It examines the reasons for the breakdown in the consensus view of the 1960s and how this breakdown has guided research in macroeconomics. The introduction and importance of rational expectations are discussed, as are recent advances within the new classical and new Keynesian paradigms.
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57.
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John Y. Campbell Harvard University - Department of Economics N. Gregory Mankiw Harvard University - Department of Economics
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| Posted: |
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10 Jul 07
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Last Revised:
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10 Jul 07
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18 (172,583)
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16
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Abstract:
No abstract is available for this paper.
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58.
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Miles S. Kimball University of Michigan at Ann Arbor - Department of Economics N. Gregory Mankiw Harvard University - Department of Economics
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| Posted: |
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25 Jun 04
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Last Revised:
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25 Jun 04
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16 (178,349)
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10
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Abstract:
No abstract is available for this paper.
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59.
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N. Gregory Mankiw Harvard University - Department of Economics
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| Posted: |
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28 May 04
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Last Revised:
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28 May 04
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15 (181,223)
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2
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Abstract:
This paper examines the dynamic impact of government purchases in a simple general equilibrium model with both durable and non-durable consumer goods as well as productive capital. The model generates perhaps surprising results. In particular, increases in government purchases are shown to cause reductions in real interest rates. The model thus provides a possible explanation for the observed behavior of real interest rates around wars.
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60.
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Robert B. Barsky University of Michigan at Ann Arbor - Department of Economics N. Gregory Mankiw Harvard University - Department of Economics Stephen P. Zeldes Columbia Business School
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| Posted: |
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28 Jun 04
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Last Revised:
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28 Jun 04
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14 (184,099)
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16
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Abstract:
In this paper, we examine Ricardian equivalence of debt and tax finance in a world in which taxes are not lump-sum but are levied on risky labor income. First, we show that the marginal propensity to consume out of a tax cut, coupled with a future income tax increase, is positive under reasonable assumptions regarding preferences toward risk. Second, we document that the degree of income uncertainty facing the typical individual orfamily is large. Third, we show that, for plausible utility function parameters and distributions of future income, the MPC out of a tax cut is quantitatively large. Indeed, the MPC out of a tax cut, coupled with a future income tax increase, can be closer to the Keynesian value that ignores the future tax liabilities than to the Ricardian value that treats future taxes as if they were lump-sum.
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61.
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Laurence M. Ball Johns Hopkins University - Department of Economics N. Gregory Mankiw Harvard University - Department of Economics
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| Posted: |
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28 Jun 04
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Last Revised:
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28 Jun 04
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14 (184,099)
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29
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Abstract:
No abstract is available for this paper.
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62.
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N. Gregory Mankiw Harvard University - Department of Economics Matthew D. Shapiro University of Michigan at Ann Arbor - Department of Economics
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| Posted: |
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19 Jun 04
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Last Revised:
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19 Jun 04
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14 (184,099)
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37
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Abstract:
This paper studies the nature of the errors in preliminary GNP data, It first documents that these errors are large. For example, suppose the prelimimary estimate indicates that real GNP did not change over the recent quarter; then one can be only 80 percent confident that the final estimate (annual rate) will be in the range from -2.8 percent to +2.8 percent. The paper also documents that the revisions in GNP data are not forecastable, This finding implies that the preliminary estimates are the efficient given available information. Hence, the Bureau of Economic Analysis appears to follow efficient statistical procedures, in making its preliminary estimates.
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63.
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N. Gregory Mankiw Harvard University - Department of Economics David H. Romer University of California, Berkeley - Department of Economics Matthew D. Shapiro University of Michigan at Ann Arbor - Department of Economics
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| Posted: |
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13 Nov 07
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Last Revised:
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21 May 08
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13 (187,001)
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19
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Abstract:
No abstract is available for this paper.
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64.
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N. Gregory Mankiw Harvard University - Department of Economics
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| Posted: |
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26 Mar 07
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Last Revised:
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14 Dec 07
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13 (187,001)
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Abstract:
This paper evaluates the role of the destruction of the gold standard and the founding of the Federal Reserve, both of which occurred in 1914, in contributing to observed changes in the behavior of interest rates and prices after 1914. The paper presents a model of policy coordination in which the introduction of the Fed stabilizes interest rates, even if the gold standard remains intact, and it offers empirical evidence that the dismantling of the gold standard did not play a crucial role in precipitating the changes in interest rate behavior.
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65.
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N. Gregory Mankiw Harvard University - Department of Economics
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| Posted: |
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Last Revised:
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02 Oct 08
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13 (0)
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Abstract:
Many economists favor higher taxes on energy-related products such as gasoline, while the general public is more skeptical. This esay discusses various aspects of this policy debate. It focuses, in particular, on the use of these taxes to correct for various externalities - an idea advocated long ago by British economist Arthur Pigou.
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66.
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N. Gregory Mankiw Harvard University - Department of Economics
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| Posted: |
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07 Apr 04
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Last Revised:
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07 Apr 04
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12 (189,877)
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20
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Abstract:
No abstract is available for this paper.
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67.
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N. Gregory Mankiw Harvard University - Department of Economics
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| Posted: |
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06 Apr 07
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Last Revised:
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06 Apr 07
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11 (192,799)
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Abstract:
This paper presents new evidence on the persistence of fluctuations in real GNP. Two measures of persistence are estimated non-parametrically using post-war quarterly data from Canada, France, Germany, Italy, Japan, the United Kingdom. and the United States. These estimates are compared with Monte Carlo results from various AR(2) processes. For six out of seven countries, the results indicate that a 1 percent shock to output should change the long-run univariate forecast of output by well over I percent. Low-order ARM models for output growth are also estimated, and yield similar conclusions. Finally, the persistence in relative outputs of different countries is examined.
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68.
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N. Gregory Mankiw Harvard University - Department of Economics
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| Posted: |
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15 Mar 07
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Last Revised:
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15 Mar 07
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9 (198,325)
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8
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Abstract:
The founding of the Federal Reserve System in 1914 led to a substantial change in the behavior of nominal interest rates. We examine the timing of this change and the speed with which it was effected. We then use data on the term structure of interest rates to determine how expectations responded. Our results indicate that the change in policy regime was rapid and that individuals quickly understood the new environment they were facing.
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69.
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Alan S. Blinder Princeton University - Department of Economics N. Gregory Mankiw Harvard University - Department of Economics
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| Posted: |
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28 Dec 06
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Last Revised:
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28 Dec 06
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8 (200,763)
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4
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Abstract:
No abstract is available for this paper.
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