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General equilibrium concepts under imperfect competition: a Cournotion approach

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  • D'ASPREMONT, Claude

    ()
    (CORE, Université catholique de Louvain, B-1348 Louvain-la-Neuve, Belgium)

  • DOS SANTOS, R.

    (BETA, Université Louis Pasteur, Strasbourg, France)

  • GÉRARD-VARET, Louis-André

    (GREQE, Ecole des Hautes Etudes, Université d’Aix-Marseille)

Abstract

In a pure exchange economy we propose a general equilibrium concept under imperfect competition, the "Cournotian Monopolistic Competition Equilibrium", and compare it to the Cournot-Walras and the Monopolistic Competition concepts. The advantage of the proposed concept is to simplify the calculations attributed to strategic agents. Then we study the connexion of these concepts to a general concept of P-equilibrium which is extended to economies with production.

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Bibliographic Info

Paper provided by Université catholique de Louvain, Center for Operations Research and Econometrics (CORE) in its series CORE Discussion Papers with number 1992057.

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Date of creation: 01 Nov 1992
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Handle: RePEc:cor:louvco:1992057

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References

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  1. FORGES, Françoise, 1990. "Sunspot equilibrium as a game-theoretical solution concept," CORE Discussion Papers 1990029, Université catholique de Louvain, Center for Operations Research and Econometrics (CORE).
  2. Peck, James & Shell, Karl & Spear, Stephen E., 1992. "The market game: existence and structure of equilibrium," Journal of Mathematical Economics, Elsevier, vol. 21(3), pages 271-299.
  3. Cass, David & Shell, Karl, 1983. "Do Sunspots Matter?," Journal of Political Economy, University of Chicago Press, vol. 91(2), pages 193-227, April.
  4. Dubey, P. & Rogawski, J. D., 1990. "Inefficiency of smooth market mechanisms," Journal of Mathematical Economics, Elsevier, vol. 19(3), pages 285-304.
  5. Hurwicz, L, 1979. "Outcome Functions Yielding Walrasian and Lindahl Allocations at Nash Equilibrium Points," Review of Economic Studies, Wiley Blackwell, vol. 46(2), pages 217-25, April.
  6. Aghion, Philippe, 1985. "On the generic inefficiency of differentiable market games," Journal of Economic Theory, Elsevier, vol. 37(1), pages 126-146, October.
  7. d'Aspremont, Claude & Dos Santos Ferreira, Rodolphe & Gerard-Varet, Louis-Andre, 1990. "On Monopolistic Competition and Involuntary Unemployment," The Quarterly Journal of Economics, MIT Press, vol. 105(4), pages 895-919, November.
  8. 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.
  9. Bonanno, Giacomo, 1990. " General Equilibrium Theory with Imperfect Competition," Journal of Economic Surveys, Wiley Blackwell, vol. 4(4), pages 297-328.
  10. d'ASPREMONT, Claude & DOS SANTOS FERREIRA, Rodolphe & GERARD-VARET, Louis-André, . "Pricing schemes and Cournotian equilibria," CORE Discussion Papers RP -943, Université catholique de Louvain, Center for Operations Research and Econometrics (CORE).
  11. Peck, James & Shell, Karl, 1991. "Market Uncertainty: Correlated and Sunspot Equilibria in Imperfectly Competitive Economies," Review of Economic Studies, Wiley Blackwell, vol. 58(5), pages 1011-29, October.
  12. Wilson, Robert B, 1978. "Competitive Exchange," Econometrica, Econometric Society, vol. 46(3), pages 577-85, May.
  13. Mas-Colell, Andreu, 1980. "Noncooperative approaches to the theory of perfect competition: Presentation," Journal of Economic Theory, Elsevier, vol. 22(2), pages 121-135, April.
  14. Schmeidler, David, 1980. "Walrasian Analysis via Strategic Outcome Functions," Econometrica, Econometric Society, vol. 48(7), pages 1585-93, November.
  15. Thomas E. Cooper, 1986. "Most-Favored-Customer Pricing and Tacit Collusion," RAND Journal of Economics, The RAND Corporation, vol. 17(3), pages 377-388, Autumn.
  16. Dubey, Pradeep, 1980. "Nash equilibria of market games: Finiteness and inefficiency," Journal of Economic Theory, Elsevier, vol. 22(2), pages 363-376, April.
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Citations

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Cited by:
  1. Paulo Brito & Luis Costa & Huw Dixon, 2007. "Business Cycles with Endogenous Mark-ups," Money Macro and Finance (MMF) Research Group Conference 2006 108, Money Macro and Finance Research Group.
  2. Ludovic A. Julien & Fabrice Tricou, 2008. "Market Price Mechanisms and Stackelberg General Equilibria," EconomiX Working Papers 2008-29, University of Paris West - Nanterre la Défense, EconomiX.
  3. Paulo Brito & Luís Costa & Huw Dixon, 2010. "Non-Smooth Dynamics and Multiple Equilibria in a Cournt-Ramsey Model with Endogenous Markups," Working Papers Department of Economics 2010/14, ISEG - School of Economics and Management, Department of Economics, University of Lisbon.
  4. Hubert Stahn, 2000. "Quelques réflexions sur la formation stratégique des prix dans un contexte d'équilibre général," Cahiers d'Économie Politique, Programme National Persée, vol. 37(1), pages 225-255.
  5. Ludovic A. Julien & Fabrice Tricou, 2010. "Oligopoly Equilibria “à la Stackelberg” in Pure Exchange Economies," Discussion Papers (REL - Recherches Economiques de Louvain) 2010023, Université catholique de Louvain, Institut de Recherches Economiques et Sociales (IRES).
  6. Francesca Busetto & Giulio Codognato & Sayantan Ghosal, 2012. "Noncooperative Oligopoly in Markets with a Continuum of Traders: A Limit Theorem," EconomiX Working Papers 2012-49, University of Paris West - Nanterre la Défense, EconomiX.
  7. Busetto, Francesca & Codognato, Giulio & Ghosal, Sayantan, 2011. "Noncooperative oligopoly in markets with a continuum of traders," Games and Economic Behavior, Elsevier, vol. 72(1), pages 38-45, May.
  8. Costa, Luís F. & Dixon, Huw David, 2011. "Fiscal policy under imperfect competition with flexible prices: An overview and survey," Economics - The Open-Access, Open-Assessment E-Journal, Kiel Institute for the World Economy, vol. 5(3), pages 1-57.
  9. Ludovic A. JULIEN, 2009. "Unemployment equilibrium and economic policy in mixed markets," Discussion Papers (IRES - Institut de Recherches Economiques et Sociales) 2009030, Université catholique de Louvain, Institut de Recherches Economiques et Sociales (IRES).
  10. Luis Costa, 2004. "Endogenous markups and fiscal policy," Money Macro and Finance (MMF) Research Group Conference 2003 18, Money Macro and Finance Research Group.
  11. Luís F. Costa, . "Product Differentiation, Fiscal Policy, and Free Entry," Discussion Papers 98/20, Department of Economics, University of York.
  12. Francesca Busetto & Giulio Codognato & Sayantan Ghosal, . "Noncooperative oligopoly in markets with a continuum of traders: a limit theorem a la Cournot," Working Papers 2014_01, Business School - Economics, University of Glasgow.
  13. Costa, Luís F. & Dixon, Huw David, 2010. "Fiscal policy under imperfect competition: A survey," Economics Discussion Papers 2010-14, Kiel Institute for the World Economy.

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