Fluctuations in real GNP have traditionally been viewed as transitory deviations from a deterministic time trend. The purpose of this paper is to review some of the recent developments that have led to a new view of output fluctuations and then to provide some additional evidence. Using post-war quarterly data, it is hard to reject the view that real GNP is as persistent as a random walk with drift. We also consider the hypothesis that the recent finding of persistence are due to the failure to distinguish the business cycle from other fluctuations in real GNP. We use the measured unemployment rate to decompose output fluctuations. We find no evidence for the view that business cycle fluctuations are more quickly trend-reverting.
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Paper provided by National Bureau of Economic Research, Inc in its series NBER Working Papers with number
2169.
Length: Date of creation: Oct 1987 Date of revision: Handle: RePEc:nbr:nberwo:2169
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References listed on IDEAS Please report citation or reference errors to , or , if you are the registered author of the cited work, log in to your RePEc Author Service profile, click on "citations" and make appropriate adjustments.:
Robert J. Barro & Mark Rush, 1980.
"Unanticipated Money and Economic Activity,"
NBER Chapters,
in: Rational Expectations and Economic Policy, pages 23-73
National Bureau of Economic Research, Inc.
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