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Iterated Elimination of Dominated Strategies in a Bertrand-Edgeworth Model

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  • Tilman Börgers

Abstract

We consider a Bertrand-Edgeworth model of price competition. Firms have identical and constant marginal costs and finite exogeneous capacities. Firms choose prices. Our interest is in the set of those prices which are left over after the iterated elimination of dominated strategies. We show that in two circumstances this set will be close to the set containing only the marketclearing (Walrasian) price: (i) if any n − 1 out of n firms assumed to be in the market have sufficient capacity to cover demand at marginal costs; (ii) if any given total capacity is owned by a very large number of very small firms.

Suggested Citation

  • Tilman Börgers, 1992. "Iterated Elimination of Dominated Strategies in a Bertrand-Edgeworth Model," Review of Economic Studies, Oxford University Press, vol. 59(1), pages 163-176.
  • Handle: RePEc:oup:restud:v:59:y:1992:i:1:p:163-176.
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    File URL: http://hdl.handle.net/10.2307/2297931
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    Cited by:

    1. Roger Guesnerie, 2005. "Strategic Substitutabilities Versus Strategic Complementarities : Towards a General Theory of Expectational Coordination ?," Revue d'économie politique, Dalloz, vol. 115(4), pages 393-412.
    2. Moscarini, Giuseppe & Ottaviani, Marco, 2001. "Price Competition for an Informed Buyer," Journal of Economic Theory, Elsevier, vol. 101(2), pages 457-493, December.
    3. Roy Chowdhury, Prabal, 2008. "Bertrand-Edgeworth equilibrium with a large number of firms," International Journal of Industrial Organization, Elsevier, vol. 26(3), pages 746-761, May.
    4. Börgers, Tilman & Janssen, Maarten C.W., 1995. "On the dominance solvability of large cournot games," Games and Economic Behavior, Elsevier, vol. 8(2), pages 297-321.
    5. Dhillon, Amrita & Lockwood, Ben, 2004. "When are plurality rule voting games dominance-solvable?," Games and Economic Behavior, Elsevier, vol. 46(1), pages 55-75, January.
    6. Guesnerie, Roger, 1992. "Est-il rationnel d’avoir des anticipations rationnelles?," L'Actualité Economique, Société Canadienne de Science Economique, vol. 68(4), pages 544-559, décembre.
    7. Germano, Fabrizio, 2003. "Bertrand-edgeworth equilibria in finite exchange economies," Journal of Mathematical Economics, Elsevier, vol. 39(5-6), pages 677-692, July.
    8. Jacobs, Martin & Requate, Till, 2016. "Bertrand-Edgeworth markets with increasing marginal costs and voluntary trading: Experimental evidence," Economics Working Papers 2016-01, Christian-Albrechts-University of Kiel, Department of Economics.
    9. Prabal Roy Chowdhury, 2004. "Bertrand-Edgeworth equilibrium: Manipulable residual demand," Discussion Papers 04-15, Indian Statistical Institute, Delhi.
    10. Moulin, Hervé & Velez, Rodrigo A., 2013. "The price of imperfect competition for a spanning network," Games and Economic Behavior, Elsevier, vol. 81(C), pages 11-26.
    11. Xiao Luo & Xuewen Qian & Chen Qu, 0. "Iterated elimination procedures," Economic Theory, Springer;Society for the Advancement of Economic Theory (SAET), vol. 0, pages 1-29.
    12. Prabal Roy Chowdhury, 2004. "Bertrand-Edgeworth equilibrium with a large number of firms," Discussion Papers 04-12, Indian Statistical Institute, Delhi.
    13. Canoy, Marcel & Weddepohl, Claus, 1995. "Alternative conjectures in a Bertrand-Edgeworth model," European Journal of Political Economy, Elsevier, vol. 11(3), pages 577-598, September.
    14. García Díaz, Antón & Hernán González, Roberto & Kujal, Praveen, 2009. "List pricing and discounting in a Bertrand-Edgeworth duopoly," International Journal of Industrial Organization, Elsevier, vol. 27(6), pages 719-727, November.
    15. Kujal, Praveen & García Díaz, Antón, 1998. "List princing and pure strategy outcomes in a bertrand edgeworth duopoly," UC3M Working papers. Economics 6089, Universidad Carlos III de Madrid. Departamento de Economía.
    16. Mariotti, Marco, 2000. "Maximum Games, Dominance Solvability, and Coordination," Games and Economic Behavior, Elsevier, vol. 31(1), pages 97-105, April.
    17. Waddle, Roberts, 2005. "Strategic profit sharing between firms: the bertrand model," UC3M Working papers. Economics we050902, Universidad Carlos III de Madrid. Departamento de Economía.
    18. Tasnádi, Attila, 2001. "A Bertrand-Edgeworth-oligopóliumok. Irodalmi áttekintés [Bertrand-Edgeworth oligopolies - a survey of the literature]," Közgazdasági Szemle (Economic Review - monthly of the Hungarian Academy of Sciences), Közgazdasági Szemle Alapítvány (Economic Review Foundation), vol. 0(12), pages 1081-1092.
    19. Xiao Luo & Xuewen Qian & Chen Qu, 2020. "Iterated elimination procedures," Economic Theory, Springer;Society for the Advancement of Economic Theory (SAET), vol. 70(2), pages 437-465, September.

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