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Unicidad del equilibrio de Nash-Cournot con correspondencias de mejor respuesta contractivas

Author

Listed:
  • Elvio Accinelli

    (Departamento de Economía, Universidad Autónoma Metropolitana)

  • Edgar Carrera

    (Dipartimento di Economia, Facoltà di Economia, Richard M. Goodwin, Università di Siena.)

Abstract

In this work we obtain new conditions to uniqueness of Nash equilibrium in the Cournot oligopoly model. These conditions assure that the reaction functions are contractions and they are not reduced to the obtained ones by Rosen, inasmuch as they do not demand the strict concavity of the bene¯t functions

Suggested Citation

  • Elvio Accinelli & Edgar Carrera, 2006. "Unicidad del equilibrio de Nash-Cournot con correspondencias de mejor respuesta contractivas," Documentos de Trabajo (working papers) 1506, Department of Economics - dECON.
    • Handle: RePEc:ude:wpaper:1506
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    File URL: https://hdl.handle.net/20.500.12008/2058
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    References listed on IDEAS

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    1. Van Long, Ngo & Soubeyran, Antoine, 2000. "Existence and uniqueness of Cournot equilibrium: a contraction mapping approach," Economics Letters, Elsevier, vol. 67(3), pages 345-348, June.
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    JEL classification:

    • C72 - Mathematical and Quantitative Methods - - Game Theory and Bargaining Theory - - - Noncooperative Games

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