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Two Flaws in Business Cycle AccountingLawrence J. ChristianoNorthwestern University; Federal Reserve Bank of Cleveland; Federal Reserve Bank of Chicago; Federal Reserve Bank of Minneapolis; National Bureau of Economic Research (NBER) Joshua Mark DavisPacific Investment Management Company (PIMCO); Northwestern University - Department of Economics October 2006 NBER Working Paper No. w12647 Abstract: Using 'business cycle accounting' (BCA), Chari, Kehoe and McGrattan (2006) (CKM) conclude that models of financial frictions which create a wedge in the intertemporal Euler equation are not promising avenues for modeling business cycle dynamics. There are two reasons that this conclusion is not warranted. First, small changes in the implementation of BCA overturn CKM's conclusions. Second, one way that shocks to the intertemporal wedge impact on the economy is by their spillover effects onto other wedges. This potentially important mechanism for the transmission of intertemporal wedge shocks is not identified under BCA. CKM potentially understate the importance of these shocks by adopting the extreme position that spillover effects are zero.
Number of Pages in PDF File: 60 working papers seriesDate posted: November 20, 2006Suggested CitationContact Information
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