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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), pages 727-741.
    2. Bloch, Francis & Ferrer, Helene, 2001. "Strategic complements and substitutes in bilateral oligopolies," Economics Letters, Elsevier, vol. 70(1), pages 83-87, January.
    3. Belan, Pascal & Michel, Philippe & Wigniolle, Bertrand, 2005. "Does imperfect competition foster capital accumulation in a developing economy?," Research in Economics, Elsevier, pages 189-208.
    4. 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.
    5. 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.
    6. Jean Gabszewicz & Didier Laussel, 2007. "Increasing returns, entrepreneurship and imperfect competition," Economic Theory, Springer;Society for the Advancement of Economic Theory (SAET), pages 1-19.
    7. 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.
    8. 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).
    9. Prechac, Christophe, 1996. "Existence of equilibrium in incomplete markets with intermediation costs," Journal of Mathematical Economics, Elsevier, vol. 25(3), pages 373-380.
    10. Alex Dickson & Roger Hartley, 2013. "Bilateral oligopoly and quantity competition," Economic Theory, Springer;Society for the Advancement of Economic Theory (SAET), pages 979-1004.
    11. 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 Nanterre, EconomiX.
    12. 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.
    13. Alex Dickson, 2013. "The Effects of Entry in Bilateral Oligopoly," Games, MDPI, Open Access Journal, vol. 4(3), pages 1-21, June.
    14. 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.
    15. Ludovic A. Julien & Fabrice Tricou, 2009. "Preferences, market power and oligopolistic competition: an example," Economics Bulletin, AccessEcon, vol. 29(4), pages 2918-2923.
    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. Gonzalo Fernández-de-Córdoba & Emma Moreno-García, 2006. "Union games: technological unemployment," Economic Theory, Springer;Society for the Advancement of Economic Theory (SAET), pages 359-373.
    18. Pascal Belan & Philippe Michel & Bertrand Wigniolle, 2007. "Capital Accumulation, Welfare, and the Emergence of Pension-Fund Activism," FinanzArchiv: Public Finance Analysis, Mohr Siebeck, Tübingen, pages 54-82.
    19. 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).
    20. repec:spr:jogath:v:46:y:2017:i:4:d:10.1007_s00182-017-0566-x is not listed on IDEAS
    21. 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.
    22. Jean-Marc Bonnisseau & Michael Florig, 2005. "Non-existence of Duopoly Equilibria: A Simple Numerical Example," Journal of Economics, Springer, pages 65-71.
    23. Ludovic A. Julien & Fabrice Tricou, 2008. "Market Price Mechanisms and Stackelberg General Equilibria," EconomiX Working Papers 2008-29, University of Paris Nanterre, EconomiX.

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