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Direct perturbations of aggregate excess demand

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  • Sofia B. S. D. Castro

    ()
    (Centro de Matematica da Universidade do Porto - Faculdade de Economia)

  • Sami Dakhlia

    ()
    (College of Business - University of Southern Mississipi)

  • Peter B. Gothen

    ()
    (Centro de Matematica da Universidade do Porto - Faculdade de Ciências)

Abstract

We establish that an exchange economy, i.e., preferences and endowments, that generates a giiven aggregate excess demand (AED) function is close to the economy generating the AED obtained by an arbitrary perturbation of the original one.

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File URL: ftp://mse.univ-paris1.fr/pub/mse/CES2008/B08045.pdf
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Bibliographic Info

Paper provided by Université Panthéon-Sorbonne (Paris 1), Centre d'Economie de la Sorbonne in its series Documents de travail du Centre d'Economie de la Sorbonne with number b08045.

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Length: 16 pages
Date of creation: Jul 2008
Date of revision:
Handle: RePEc:mse:cesdoc:b08045

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Keywords: Arrow-Debreu; transversality; exchange economy.;

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  1. Debreu, Gerard, 1970. "Economies with a Finite Set of Equilibria," Econometrica, Econometric Society, vol. 38(3), pages 387-92, May.
  2. Hildenbrand, W & Mertens, J F, 1972. "Upper Hemi-Continuity of the Equilibrium-Set Correspondence for Pure Exchange Economies," Econometrica, Econometric Society, vol. 40(1), pages 99-108, January.
  3. Lehmann-Waffenschmidt, Marco, 1995. "On the equilibrium price set of a continuous perturbation of exchange economies," Journal of Mathematical Economics, Elsevier, vol. 24(5), pages 497-519.
  4. Kannai, Yakar, 1970. "Continuity Properties of the Core of a Market," Econometrica, Econometric Society, vol. 38(6), pages 791-815, November.
  5. Kannai, Yakar, 1974. "Approximation of convex preferences," Journal of Mathematical Economics, Elsevier, vol. 1(2), pages 101-106, August.
  6. Mas-Colell, Andreu & Nachbar, John H., 1991. "On the finiteness of the number of critical equilibria, with an application to random selections," Journal of Mathematical Economics, Elsevier, vol. 20(4), pages 397-409.
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