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Imperfect Competition and the Keynesian Cross

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  • N. Gregory Mankiw

Abstract

This paper presents a simple general equilibrium model in which the only non-Walrasian feature is imperfect competition in the goods market. The model is shown to exhibit various Keynesian characteristics. In particular, as competition in the goods market becomes less perfect, the fiscal policy multipliers approach the values implied by the textbook Keynesian cross.

Suggested Citation

  • N. Gregory Mankiw, 1987. "Imperfect Competition and the Keynesian Cross," NBER Working Papers 2386, National Bureau of Economic Research, Inc.
    • Handle: RePEc:nbr:nberwo:2386
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    1. Weitzman, Martin L, 1982. "Increasing Returns and the Foundations of Unemployment Theory," Economic Journal, Royal Economic Society, vol. 92(368), pages 787-804, December.
    2. Olivier J. Blanchard & Nobuhiro Kiyotaki, 1985. "Monopolistic Competition, Aggregate Externalities and real Effects of Nominal Money," Working papers 401, Massachusetts Institute of Technology (MIT), Department of Economics.
    3. Oliver Hart, 1982. "A Model of Imperfect Competition with Keynesian Features," The Quarterly Journal of Economics, President and Fellows of Harvard College, vol. 97(1), pages 109-138.
    4. Richard Startz, 1989. "Monopolistic Competition as a Foundation for Keynesian Macroeconomic Models," The Quarterly Journal of Economics, President and Fellows of Harvard College, vol. 104(4), pages 737-752.
    5. Olivier J. Blanchard & Nobuhiro Kiyotaki, 1985. "Monopolistic Competition, Aggregate Demand Externalities and Real Effects of Nominal Money," NBER Working Papers 1770, National Bureau of Economic Research, Inc.
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