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Limit properties of Bertrand equilibria with exogenous entry

Author

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  • Prabal Roy Chowdhury

    () (Indian Statistical Institute, New Delhi)

Abstract

For a large class of demand and cost functions, we characterize the limit equilibrium set under Bertrand oligopoly when entry is exogenous. Unless average cost is constant, we find that the folk theorem of perfect competition necessarily fails. We also relate our results to those in Novshek and Roy Chowdhury (2003).

Suggested Citation

  • Prabal Roy Chowdhury, 2004. "Limit properties of Bertrand equilibria with exogenous entry," Indian Statistical Institute, Planning Unit, New Delhi Discussion Papers 04-14, Indian Statistical Institute, New Delhi, India.
  • Handle: RePEc:ind:isipdp:04-14
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    File URL: http://www.isid.ac.in/~pu/dispapers/dp04-14.pdf
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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.
    2. Bulow, Jeremy I & Geanakoplos, John D & Klemperer, Paul D, 1985. "Multimarket Oligopoly: Strategic Substitutes and Complements," Journal of Political Economy, University of Chicago Press, vol. 93(3), pages 488-511, June.
    3. 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.
    4. William Novshek, 1980. "Cournot Equilibrium with Free Entry," Review of Economic Studies, Oxford University Press, vol. 47(3), pages 473-486.
    5. Xavier Vives, 2001. "Oligopoly Pricing: Old Ideas and New Tools," MIT Press Books, The MIT Press, edition 1, volume 1, number 026272040x, January.
    6. Dixon, Huw, 1990. "Bertrand-Edgeworth Equilibria when Firms Avoid Turning Customers Away," Journal of Industrial Economics, Wiley Blackwell, vol. 39(2), pages 131-146, December.
    7. Koji Okuguchi, 1973. "Quasi-Competitiveness and Cournot Oligopoly," Review of Economic Studies, Oxford University Press, vol. 40(1), pages 145-148.
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    More about this item

    Keywords

    Bertrand oligopoly; limit properties; exogenous entry; folk theorem;

    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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