Innovation, Growth, and Welfare-Improving Cycles

Patrick Francois, Shouyong Shi

Research output: Contribution to journalArticlepeer-review

12 Scopus citations


This paper establishes necessary and sufficient conditions for the existence of stationary cycles in an economy comprising independent investing firms. The economy is not subject to aggregate uncertainty, investors have no direct complementarities, and all agents act independently. The cycle arises due to general equilibrium contemporaneous complementarities between investors devoting resources to innovation which yields temporary profits. With numerical examples we show that there are multiple cyclical equilibria that differ in the cycle length. Welfare and the long-run growth rate can be increased from an equilibrium where innovations occur rapidly to one with longer cycles; however, there exists a finite cycle length that maximizes welfare.Journal of Economic LiteratureClassification Numbers: E32, L16, O31, O41.

Original languageEnglish (US)
Pages (from-to)226-257
Number of pages32
JournalJournal of Economic Theory
Issue number2
StatePublished - Apr 1999

All Science Journal Classification (ASJC) codes

  • Economics and Econometrics


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