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Nash-Walras equilibria of a large economy

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Author Info

  • MINELLI, Enrico

    (Department of Economics, Universita di Brescia)

  • POLEMARCHAKIS, Heracles

    (Center for Operations Research and Econometrics (CORE), Université catholique de Louvain (UCL), Louvain la Neuve, Belgium)

Abstract

Individuals exchange contracts for the deliveryof commodities in competitive markets and, simultaneously, act strategically; actions affect utilities across individuals directlyor through the payoffs of contracts. This encompasses economies with asymmetric information. Nash-Walras equilibria exist for large economies, even if utilityfunctions are not quasi - concave and choice sets are not convex, which is the case in standard settings; the separation of the purchase from the sale of contracts and the pooling of the deliveries on contracts guarantee that the markets for commodities clear.

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Bibliographic Info

Paper provided by Université catholique de Louvain, Center for Operations Research and Econometrics (CORE) in its series CORE Discussion Papers with number 1999043.

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Date of creation: 01 Jun 1999
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Handle: RePEc:cor:louvco:1999043

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Related research

Keywords: Nash; Walras; equilibrium; asymmetric information;

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References

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  1. Prescott, Edward C & Townsend, Robert M, 1984. "General Competitive Analysis in an Economy with Private Information," International Economic Review, Department of Economics, University of Pennsylvania and Osaka University Institute of Social and Economic Research Association, vol. 25(1), pages 1-20, February.
  2. Ghosal, S. & Polemarchakis, H.M., . "Nash-Walras equilibria," CORE Discussion Papers RP -1260, Université catholique de Louvain, Center for Operations Research and Econometrics (CORE).
  3. Hart, Sergiu & Hildenbrand, Werner & Kohlberg, Elon, 1974. "On equilibrium allocations as distributions on the commodity space," Journal of Mathematical Economics, Elsevier, vol. 1(2), pages 159-166, August.
  4. Alberto Bisin & John Geanakoplos & Piero Gottardi & Enrico Minelli & Heracles Polemarchakis, 2009. "Markets and Contracts," Working Papers 0915, University of Brescia, Department of Economics.
  5. Edward C Prescott & Robert M Townsend, 2010. "Pareto Optima and Competitive Equilibria With Adverse Selection and Moral Hazard," Levine's Working Paper Archive 2069, David K. Levine.
  6. Gale, Douglas, 1992. "A Walrasian Theory of Markets with Adverse Selection," Review of Economic Studies, Wiley Blackwell, vol. 59(2), pages 229-55, April.
  7. Pradeep Dubey & John Geanakoplos & Martin Shubik, 1988. "Default and Efficiency in a General Equilibrium Model with Incomplete Markets," Cowles Foundation Discussion Papers 879R, Cowles Foundation for Research in Economics, Yale University, revised Feb 1989.
  8. Akerlof, George A, 1970. "The Market for 'Lemons': Quality Uncertainty and the Market Mechanism," The Quarterly Journal of Economics, MIT Press, vol. 84(3), pages 488-500, August.
  9. Mirrlees, J A, 1999. "The Theory of Moral Hazard and Unobservable Behaviour: Part I," Review of Economic Studies, Wiley Blackwell, vol. 66(1), pages 3-21, January.
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Cited by:
  1. Joao Correia-da-Silva & Carlos Herves-Beloso, 2008. "General equilibrium with private state verification," Levine's Working Paper Archive 814577000000000024, David K. Levine.
  2. Joao Correia-da-Silva, 2009. "Uncertain delivery in markets for lemons," FEP Working Papers 310, Universidade do Porto, Faculdade de Economia do Porto.
  3. CITANNA, Alessandro, 2000. "Proportional transaction costs on asset trades : a note on existence by homotopy methods," Les Cahiers de Recherche 717, HEC Paris.
  4. CITANNA, Alessandro, 2000. "Moral hazard and linear contracts : Economies with idiosyncratic risks," Les Cahiers de Recherche 699, HEC Paris.
  5. Correia-da-Silva, João, 2012. "General equilibrium in markets for lemons," Journal of Mathematical Economics, Elsevier, vol. 48(3), pages 187-195.

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