News and Business Cycles in Open Economies
Sergio T. Rebelo
Northwestern University - Kellogg School of Management; Centre for Economic Policy Research (CEPR); University of Rochester - Department of Economics; National Bureau of Economic Research (NBER)
NBER Working Paper No. w13444
Aggregate and sectoral comovement are central features of business cycle data. Therefore, the ability to generate comovement is a natural litmus test for macroeconomic models. But it is a test that most existing models fail. In this paper we propose a unified model that generates both aggregate and sectoral comovement in response to contemporaneous shocks and news shocks about fundamentals. The fundamentals that we consider are aggregate and sectoral TFP shocks as well as investment-specific technical change. The model has three key elements: variable capital utilization, adjustment costs to investment, and a new form of preferences that allow us to parameterize the strength of short-run wealth effects on the labor supply.
Number of Pages in PDF File: 36working papers series
Date posted: September 28, 2007
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