It is often argued that changes in expectation are an important driving force of the business cycle. It is well known, however, that changes in expectations cannot generate positive co-movement between consumption, investment and employment in the most standard neo-classical business cycle models. This gives rise to the question of whether changes in expectation can cause business cycle fluctuations in any neo-classical setting or whether such a phenomenon is inherently related to market imperfections. This Paper offers a systematic exploration of this issue. Our finding is that expectation driven business cycle fluctuations can arise in neo-classical models when one allows for a sufficiently rich description of the inter-sectorial production technology; however, such a structure is rarely allowed or explored in macro-models. In particular, the key characteristic which we isolate as giving rise to the possibility of expectation driven business cycles is that intermediate good producers exhibit cost complementarities (i.e., economies of scope) when supplying goods to different sectors of the economy.
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Paper provided by C.E.P.R. Discussion Papers in its series CEPR Discussion Papers with number
4628.
Find related papers by JEL classification: E30 - Macroeconomics and Monetary Economics - - Prices, Business Fluctuations, and Cycles - - - General (includes Measurement and Data)
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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.:
Craig Burnside & Martin Eichenbaum & Sergio Rebelo, 1995.
"Capital Utilization and Returns to Scale,"
NBER Chapters,
in: NBER Macroeconomics Annual 1995, Volume 10, pages 67-124
National Bureau of Economic Research, Inc.
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