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Are Output Fluctuations Transitory?

Campbell, John Y., Mankiw, N. Gregory·1987·The Quarterly Journal of Economics

Abstract

According to the conventional view of the business cycle, fluctuations in output represent temporary deviations from trend. The purpose of this paper is to question this conventional view. If fluctuations in output are dominated by temporary deviations from the natural rate of output, then an unexpected change in output today should not substantially change one's forecast of output in, say, five or ten years. Our examination of quarterly postwar United States data leads us to be skeptical about this implication. The data suggest that an unexpected change in real GNP of 1 percent should change one's forecast by over 1 percent over a long horizon.

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Metadata

Authors
Campbell, J. Y., & Mankiw, N. G.
Venue
The Quarterly Journal of Economics
Published
1987-11
Volume
102
Issue
4
Pages
857
ISSN
0033-5533 (ISSN-L)
OpenAlex
W2166490115
Cited by
776
References
0
FWCI
69.88
Type
journal article
Language
en
Open access
closed

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CoChat. (2026). Citation check: Are Output Fluctuations Transitory? https://app.cochat.ai/papers/10.2307/1884285
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Campbell, J. Y., & Mankiw, N. G. (1987). Are Output Fluctuations Transitory? The Quarterly Journal of Economics. https://doi.org/10.2307/1884285

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