Business Cycle Accounting

Varadarajan Chari, Patrick Kehoe and Ellen McGrattan

Econometrica, 2007, vol. 75, issue 3, 781-836

Abstract: We propose a simple method to help researchers develop quantitative models of economic fluctuations. The method rests on the insight that many models are equivalent to a prototype growth model with time-varying wedges that resemble productivity, labor and investment taxes, and government consumption. Wedges that correspond to these variables-efficiency, labor, investment, and government consumption wedges-are measured and then fed back into the model so as to assess the fraction of various fluctuations they account for. Applying this method to U.S. data for the Great Depression and the 1982 recession reveals that the efficiency and labor wedges together account for essentially all of the fluctuations; the investment wedge plays a decidedly tertiary role, and the government consumption wedge plays none. Analyses of the entire postwar period and alternative model specifications support these results. Models with frictions manifested primarily as investment wedges are thus not promising for the study of U.S. business cycles. Copyright The Econometric Society 2007.

Date: 2007
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Related works:
Working Paper: Business cycle accounting (2006)
Working Paper: Business Cycle Accounting (2004)
Working Paper: Business Cycle Accounting (2004)
Working Paper: Business Cycle Accounting (2003)
Working Paper: Business cycle accounting (2002)
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