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Direct perturbations of aggregate excess demand

  • Sofia B. S. D. Castro

    ()

    (CMUP - Centro de Matemática da Universidade do Porto, Faculdade de Economia do Porto - Universidade do Porto)

  • Sami Dakhlia

    ()

    (Department of Economics and Finance - College of Business - University of Southern Mississippi)

  • Peter B. Gothen

    ()

    (CMUP - Centro de Matemática da Universidade do Porto, Faculdade de Ciências - Univerdade do Porto)

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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Paper provided by HAL in its series Post-Print with number halshs-00306408.

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Date of creation: Jul 2008
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Handle: RePEc:hal:journl:halshs-00306408
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  1. Kannai, Yakar, 1970. "Continuity Properties of the Core of a Market," Econometrica, Econometric Society, vol. 38(6), pages 791-815, November.
  2. 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.
  3. Kannai, Yakar, 1974. "Approximation of convex preferences," Journal of Mathematical Economics, Elsevier, vol. 1(2), pages 101-106, August.
  4. Debreu, Gerard, 1970. "Economies with a Finite Set of Equilibria," Econometrica, Econometric Society, vol. 38(3), pages 387-92, May.
  5. 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.
  6. 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.
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