Stochastic Trends and Economic Fluctuations
AbstractAre business cycles mainly the result of permanent shocks to productivity? This paper uses a long-run restriction implied by a large class of real-business-cycle models--identifying permanent productivity shocks as shocks to the common stochastic trend in output, consumption, and investment--to provide new evidence on this question. Econometric tests indicate that this common-stochastic-trend/cointegration implication is consistent with postwar U.S. data. However, in systems with nominal variables, the estimates of this common stochastic trend indicate that permanent productivity shocks typically explain less than half of the business-cycle variability in output, consumption, and investment. Copyright 1991 by American Economic Association.
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Bibliographic InfoArticle provided by American Economic Association in its journal American Economic Review.
Volume (Year): 81 (1991)
Issue (Month): 4 (September)
Other versions of this item:
- Robert G. King & Charles I. Plosser & James H. Stock & Mark W. Watson, 1992. "Stochastic Trends and Economic Fluctuations," NBER Working Papers 2229, National Bureau of Economic Research, Inc.
- Tom Doan, . "RATS programs to replicate King, Plosser, Stock, Watson AER 1991 results," Statistical Software Components RTZ00107, Boston College Department of Economics.
- Robert G. King & Charles I. Plosser & James H. Stock & Mark W. Watson, 1991. "Stochastic trends and economic fluctuations," Working Paper Series, Macroeconomic Issues 91-4, Federal Reserve Bank of Chicago.
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