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Conjectural variations, symmetric equilibria and economic policy

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  • Julien, Ludovic A.

Abstract

In this paper, we consider conjectural variations in a simple static general equilibrium model under oligopolistic competition. The modeling of conjectures captures the role played by beliefs in a micro-founded model. So, the economy may have three kinds of symmetric general equilibria. Furthermore, these equilibria can be Pareto-ranked by the conjectural variation parameter. Finally, we consider the implementation of a tax on the strategic behaviors in case of balanced-budget rule. The comparative statics illustrates the idea according to which the effectiveness of the multiplier mechanism to mitigate the market distortions depends on the symmetric equilibrium considered. Therefore, the effect of the tax on the prices and economic activity depends on the degree of market power which is conjectured by the agents.

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Bibliographic Info

Article provided by Elsevier in its journal Economic Modelling.

Volume (Year): 26 (2009)
Issue (Month): 5 (September)
Pages: 1115-1120

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Handle: RePEc:eee:ecmode:v:26:y:2009:i:5:p:1115-1120

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Web page: http://www.elsevier.com/locate/inca/30411

Related research

Keywords: Strategic interactions The multiplier Tax policy;

References

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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. Bresnahan, Timothy F, 1981. "Duopoly Models with Consistent Conjectures," American Economic Review, American Economic Association, vol. 71(5), pages 934-45, December.
  3. GABSZEWICZ, Jean & GRAZZINI, Lisa, 1998. "Taxing market power," CORE Discussion Papers 1998048, Université catholique de Louvain, Center for Operations Research and Econometrics (CORE).
  4. Hahn, Frank H, 1977. " Exercises in Conjectural Equilibria," Scandinavian Journal of Economics, Wiley Blackwell, vol. 79(2), pages 210-26.
  5. Shapley, Lloyd S & Shubik, Martin, 1977. "Trade Using One Commodity as a Means of Payment," Journal of Political Economy, University of Chicago Press, vol. 85(5), pages 937-68, October.
  6. Friedman, James W. & Mezzetti, Claudio, 2002. "Bounded rationality, dynamic oligopoly, and conjectural variations," Journal of Economic Behavior & Organization, Elsevier, vol. 49(3), pages 287-306, November.
  7. Stephanie Schmitt-Grohe & Martin Uribe, 1995. "Balanced-budget rules, distortionary taxes, and aggregate instability," Finance and Economics Discussion Series 95-44, Board of Governors of the Federal Reserve System (U.S.).
  8. Morton I. Kamien & Nancy L. Schwartz, 1983. "Conjectural Variations," Canadian Journal of Economics, Canadian Economics Association, vol. 16(2), pages 191-211, May.
  9. Cooper, Russell & John, Andrew, 1988. "Coordinating Coordination Failures in Keynesian Models," The Quarterly Journal of Economics, MIT Press, vol. 103(3), pages 441-63, August.
  10. Dixit, Avinash K, 1986. "Comparative Statics for Oligopoly," International Economic Review, Department of Economics, University of Pennsylvania and Osaka University Institute of Social and Economic Research Association, vol. 27(1), pages 107-22, February.
  11. Gale, Douglas, 1978. "A Note on Conjectural Equilibria," Review of Economic Studies, Wiley Blackwell, vol. 45(1), pages 33-38, February.
  12. Hart, Oliver, 1982. "A Model of Imperfect Competition with Keynesian Features," The Quarterly Journal of Economics, MIT Press, vol. 97(1), pages 109-38, February.
  13. Sen, Anindya & Dutt, Amitava Krishna, 1995. "Wage bargaining, imperfect competition and the markup: Optimizing microfoundations," Economics Letters, Elsevier, vol. 48(1), pages 15-20, April.
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