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The Folk theorem and bertrand competition

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  • Prabal Roy Chowdhury

    (Indian Statistical Institute, New Delhi)

Abstract

We examine if the folk theorem of perfect competition holds under Bertrand competition (when firms supply all demand), both when entry is exogenous, as well as when it is free. Inter alia, we also characterize the limit equilibrium sets.

Suggested Citation

  • Prabal Roy Chowdhury, 2005. "The Folk theorem and bertrand competition," Discussion Papers 05-06, Indian Statistical Institute, Delhi.
    • Handle: RePEc:alo:isipdp:05-06
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    References listed on IDEAS

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    1. Dastidar, Krishnendu Ghosh, 1995. "On the Existence of Pure Strategy Bertrand Equilibrium," Economic Theory, Springer;Society for the Advancement of Economic Theory (SAET), vol. 5(1), pages 19-32, January.
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    5. R. J. Ruffin, 1971. "Cournot Oligopoly and Competitive Behaviour," The Review of Economic Studies, Review of Economic Studies Ltd, vol. 38(4), pages 493-502.
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    7. Novshek, William & Chowdhury, Prabal Roy, 2003. "Bertrand equilibria with entry: limit results," International Journal of Industrial Organization, Elsevier, vol. 21(6), pages 795-808, June.
    8. Maskin, Eric, 1986. "The Existence of Equilibrium with Price-Setting Firms," American Economic Review, American Economic Association, vol. 76(2), pages 382-386, May.
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    Full references (including those not matched with items on IDEAS)

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    More about this item

    Keywords

    Bertrand oligopoly; folk theorem; limit properties; exogenous entry; free entry;
    All these keywords.

    JEL classification:

    • D43 - Microeconomics - - Market Structure, Pricing, and Design - - - Oligopoly and Other Forms of Market Imperfection
    • D41 - Microeconomics - - Market Structure, Pricing, and Design - - - Perfect Competition
    • L13 - Industrial Organization - - Market Structure, Firm Strategy, and Market Performance - - - Oligopoly and Other Imperfect Markets

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