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General equilibrium concepts under imperfect competition: a Cournotian approach

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  • d'ASPREMONT, C.
  • DOS SANTOS FERREIRA, R.
  • ÉRARD-VARET, L.-A.

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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Paper provided by Université catholique de Louvain, Center for Operations Research and Econometrics (CORE) in its series CORE Discussion Papers RP with number -1259.

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Handle: RePEc:cor:louvrp:-1259

Note: In : Journal of Economic Theory, 73 (1), 199-230, 1997
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  1. 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.
  2. Wilson, Robert B, 1978. "Competitive Exchange," Econometrica, Econometric Society, vol. 46(3), pages 577-85, May.
  3. d'ASPREMONT, Claude & DOS SANTOS FERREIRA, Rodolphe & GERARD-VARET, Louis-André, . "On monopolistic competition and involuntary unemployment," CORE Discussion Papers RP -909, Université catholique de Louvain, Center for Operations Research and Econometrics (CORE).
  4. d'Aspremont, C & Ferreira, R Dos Santos & Gerard-Varet, L-A, 1991. "Pricing Schemes and Cournotian Equilibria," American Economic Review, American Economic Association, vol. 81(3), pages 666-73, June.
  5. Bonanno, Giacomo, 1990. " General Equilibrium Theory with Imperfect Competition," Journal of Economic Surveys, Wiley Blackwell, vol. 4(4), pages 297-328.
  6. 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.
  7. Schmeidler, David, 1980. "Walrasian Analysis via Strategic Outcome Functions," Econometrica, Econometric Society, vol. 48(7), pages 1585-93, November.
  8. Aghion, Philippe, 1985. "On the generic inefficiency of differentiable market games," Journal of Economic Theory, Elsevier, vol. 37(1), pages 126-146, October.
  9. Dubey, P. & Rogawski, J. D., 1990. "Inefficiency of smooth market mechanisms," Journal of Mathematical Economics, Elsevier, vol. 19(3), pages 285-304.
  10. 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.
  11. 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).
  12. Cass, David & Shell, Karl, 1983. "Do Sunspots Matter?," Journal of Political Economy, University of Chicago Press, vol. 91(2), pages 193-227, April.
  13. Dubey, Pradeep, 1980. "Nash equilibria of market games: Finiteness and inefficiency," Journal of Economic Theory, Elsevier, vol. 22(2), pages 363-376, April.
  14. 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.
  15. 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.
  16. 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.
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Cited by:
  1. Busetto, Francesca & Codognato, Giulio & Ghosal, Sayantan, 2008. "Noncooperative Oligopoly in Markets with a Continuum of Traders," The Warwick Economics Research Paper Series (TWERPS) 866, University of Warwick, Department of Economics.
  2. Luis Costa, 2004. "Endogenous markups and fiscal policy," Money Macro and Finance (MMF) Research Group Conference 2003 18, Money Macro and Finance Research Group.
  3. 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.
  4. Julien, Ludovic A., 2011. "Unemployment equilibrium and economic policy in mixed markets," Economic Modelling, Elsevier, vol. 28(4), pages 1931-1940, July.
  5. Ludovic A. Julien & Fabrice Tricou, 2010. "Oligopoly Equilibria “à la Stackelberg” in Pure Exchange Economies," Recherches économiques de Louvain, De Boeck Université, vol. 76(2), pages 175-194.
  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. 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.
  8. 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.
  9. 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.
  10. 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.
  11. Luís F. Costa & Huw Dixon, 2009. "Fiscal Policy under Imperfect Competition: A Survey," Working Papers Department of Economics 2009/25, ISEG - School of Economics and Management, Department of Economics, University of Lisbon.
  12. Luís F. Costa, . "Product Differentiation, Fiscal Policy, and Free Entry," Discussion Papers 98/20, Department of Economics, University of York.
  13. 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.

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