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Oligopoly equilibria in exchange economies

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  • GABSZEWICZ, Jean

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

  • MICHEL, Philippe

    (Université Paris 1, Centre de Mathématiques Economiques, Paris, France)

Abstract

This paper extends the notion of Cournot-Walras equilibrium introduced by Codognato and Gabszewicz (1991) in a particular context (homogeneous oligopoly) to a general class of pure exchange economies. Some examples are considered, corresponding to oligopolistic structures analyzed in partial equilibrium . Finally, we discuss a possible extension of the concept to the case of a productive economy, and illustrate this discussion by means of an example embodying linear technologies.

Suggested Citation

  • GABSZEWICZ, Jean & MICHEL, Philippe, 1992. "Oligopoly equilibria in exchange economies," CORE Discussion Papers 1992047, Université catholique de Louvain, Center for Operations Research and Econometrics (CORE).
    • Handle: RePEc:cor:louvco:1992047
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    Cited by:

    1. Jean-Marc Bonnisseau & Michael Florig, 2003. "Existence and optimality of oligopoly equilibria in linear exchange economies," Economic Theory, Springer;Society for the Advancement of Economic Theory (SAET), vol. 22(4), pages 727-741, November.
    2. Bloch, Francis & Ferrer, Helene, 2001. "Strategic complements and substitutes in bilateral oligopolies," Economics Letters, Elsevier, vol. 70(1), pages 83-87, January.
    3. repec:spr:jogath:v:46:y:2017:i:4:d:10.1007_s00182-017-0566-x is not listed on IDEAS
    4. Gabszewicz, Jean J & Grazzini, Lisa, 1999. " Taxing Market Power," Journal of Public Economic Theory, Association for Public Economic Theory, vol. 1(4), pages 475-497.
    5. Alex Dickson & Roger Hartley, 2013. "Bilateral oligopoly and quantity competition," Economic Theory, Springer;Society for the Advancement of Economic Theory (SAET), vol. 52(3), pages 979-1004, April.
    6. Henry Ergas & Mark Wright, 1994. "Internationalisation, Firm Conduct and Productivity," RBA Annual Conference Volume,in: Philip Lowe & Jacqueline Dwyer (ed.), International Intergration of the Australian Economy Reserve Bank of Australia.
    7. Jean-Marc Bonnisseau & Michael Florig, 2005. "Non-existence of Duopoly Equilibria: A Simple Numerical Example," Journal of Economics, Springer, vol. 85(1), pages 65-71, July.
    8. Busetto, Francesca & Codognato, Giulio & Ghosal, Sayantan, 2012. "Noncooperative Oligopoly in Markets with a Continuum of Traders: A Limit Theorem," The Warwick Economics Research Paper Series (TWERPS) 994, University of Warwick, Department of Economics.
    9. Belan, Pascal & Michel, Philippe & Wigniolle, Bertrand, 2005. "Does imperfect competition foster capital accumulation in a developing economy?," Research in Economics, Elsevier, vol. 59(2), pages 189-208, June.
    10. Ludovic A. Julien & Fabrice Tricou, 2008. "Market Price Mechanisms and Stackelberg General Equilibria," EconomiX Working Papers 2008-29, University of Paris Nanterre, EconomiX.
    11. 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.
    12. Esteban-Bravo, Mercedes, 2000. "Existence and computation of a Cournot-Walras equilibrium," DES - Working Papers. Statistics and Econometrics. WS 9968, Universidad Carlos III de Madrid. Departamento de Estadística.
    13. Jean Gabszewicz & Didier Laussel, 2007. "Increasing returns, entrepreneurship and imperfect competition," Economic Theory, Springer;Society for the Advancement of Economic Theory (SAET), vol. 30(1), pages 1-19, January.
    14. GRAZZINI, Lisa, 2000. "Ad valorem and per unit taxation in an oligopoly model," CORE Discussion Papers 2000054, Université catholique de Louvain, Center for Operations Research and Econometrics (CORE).
    15. A. Dickson & R. Hartley, 2005. "The strategic Marshallian cross and bilateral oligopoly," The School of Economics Discussion Paper Series 0523, Economics, The University of Manchester.
    16. BLOCH, Francis & FERRER, Hélène, 1999. "Trade fragmentation and coordination in bilateral oligopolies," CORE Discussion Papers 1999008, Université catholique de Louvain, Center for Operations Research and Econometrics (CORE).
    17. Jean Gabszewicz & Didier Laussel & Tanguy Ypersele & Skerdilajda Zanaj, 2013. "Market Games in Successive Oligopolies," Journal of Public Economic Theory, Association for Public Economic Theory, vol. 15(3), pages 397-410, June.
    18. Alex Dickson, 2013. "The Effects of Entry in Bilateral Oligopoly," Games, MDPI, Open Access Journal, vol. 4(3), pages 1-21, June.
    19. Gonzalo Fernández-de-Córdoba & Emma Moreno-García, 2006. "Union games: technological unemployment," Economic Theory, Springer;Society for the Advancement of Economic Theory (SAET), vol. 27(2), pages 359-373, January.
    20. Pascal Belan & Philippe Michel & Bertrand Wigniolle, 2007. "Capital Accumulation, Welfare, and the Emergence of Pension-Fund Activism," FinanzArchiv: Public Finance Analysis, Mohr Siebeck, Tübingen, vol. 63(1), pages 54-82, March.
    21. Prechac, Christophe, 1996. "Existence of equilibrium in incomplete markets with intermediation costs," Journal of Mathematical Economics, Elsevier, vol. 25(3), pages 373-380.
    22. Ludovic A. Julien & Fabrice Tricou, 2009. "Preferences, market power and oligopolistic competition: an example," Economics Bulletin, AccessEcon, vol. 29(4), pages 2918-2923.
    23. GABSZEWICZ, Jean & GRAZZINI, Lisa, 2000. "Strategic multilateral exchange and taxes," CORE Discussion Papers 2000063, Université catholique de Louvain, Center for Operations Research and Econometrics (CORE).

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