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Retrading in Market Games

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  • Massimo Morelli

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  • Sayantan Ghosal

Abstract

When agents are not price takers, they typically cannot obtain an efficient reallocation of resources in one round of trade. This paper presents a noncooperative model of imperfect competition where agents can retrade allocations,consistent with the Edgeworth’s idea of recontracting. We show that there are allocations on the Pareto frontier that can be approximated arbitrarily closely when trade is myopic, i.e., when agents play a static Nash equilibrium at every round of retrading. We then show that the converging sequence of allocations generated by myopic retrading can also be supported along some retrade-proof Subgame Perfect Equilibrium path when traders anticipate future rounds of retrading.

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Bibliographic Info

Paper provided by Ohio State University, Department of Economics in its series Working Papers with number 01-09.

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Date of creation: May 2001
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Handle: RePEc:osu:osuewp:01-09

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  11. McLennan, Andrew & Sonnenschein, Hugo, 1991. "Sequential Bargaining as a Noncooperative Foundation for Walrasian Equilibrium," Econometrica, Econometric Society, vol. 59(5), pages 1395-1424, September.
  12. Dubey, Pradeep, 1980. "Nash equilibria of market games: Finiteness and inefficiency," Journal of Economic Theory, Elsevier, vol. 22(2), pages 363-376, April.
  13. Forges, F. & Peck, J., . "Correlated equilibrium and sunspot equilibrium," CORE Discussion Papers RP -1140, Université catholique de Louvain, Center for Operations Research and Econometrics (CORE).
  14. Dubey, P. & Rogawski, J. D., 1990. "Inefficiency of smooth market mechanisms," Journal of Mathematical Economics, Elsevier, vol. 19(3), pages 285-304.
  15. Gale, Douglas M, 1986. "Bargaining and Competition Part II: Existence," Econometrica, Econometric Society, vol. 54(4), pages 807-18, July.
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  17. Malinvaud, Edmond, 1972. "Prices for Individual Consumption, Quantity Indicators for Collective Consumption," Review of Economic Studies, Wiley Blackwell, vol. 39(4), pages 385-405, October.
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Cited by:
  1. Jamsheed Shorish, 2010. "Functional rational expectations equilibria in market games," Economic Theory, Springer, vol. 43(3), pages 351-376, June.
  2. Dmitry Levando, 2012. "A Survey Of Strategic Market Games," Economic Annals, Faculty of Economics, University of Belgrade, vol. 57(194), pages 63-106, July - Se.
  3. John Duffy & Alexander Matros & Ted Temzelides, 2008. "Competitive Behavior in Market Games: Evidence and Theory," Working Papers 366, University of Pittsburgh, Department of Economics, revised Mar 2009.
  4. Ghosal, Sayantan & Porter, James, 2013. "Decentralised exchange, out-of-equilibrium dynamics and convergence to efficiency," Mathematical Social Sciences, Elsevier, vol. 66(1), pages 1-21.
  5. Flåm, Sjur Didrik & Gramstad, Kjetil, 2012. "Direct Exchange in Linear Economies," Working Papers in Economics 05/12, University of Bergen, Department of Economics.
  6. Gaël Giraud, 2004. "The limit-price exchange process," Cahiers de la Maison des Sciences Economiques b04118, Université Panthéon-Sorbonne (Paris 1).
  7. Sjur Didrik Flåm, 2013. "Reaching Market Equilibrium Merely by Bilateral Barters," CESifo Working Paper Series 4504, CESifo Group Munich.
  8. Giraud, Gael, 2003. "Strategic market games: an introduction," Journal of Mathematical Economics, Elsevier, vol. 39(5-6), pages 355-375, July.
  9. Ghosal, Sayantan & Porter, James, 2010. "Out of Equilibrium Dynamics with Decentralized Exchange Cautious Trading and Convergence to Efficiency," The Warwick Economics Research Paper Series (TWERPS) 928, University of Warwick, Department of Economics.

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