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The equilibrium manifold keeps the memory of individual demand functions


  • Yves Balasko



It is shown that the property that the equilibrium manifold keeps the memory of the individual demand functions holds true if every individual demand function satisfies the following three properties: 1) It is a function of commodity prices and of consumer’s income; 2) Consumption belongs to the nonnegative orthant of the commodity space; 3) Walras law. Neither differentiability nor continuity are necessary. In addition, the demand functions do not have to be utility maximizing subject to budget constraints. Copyright Springer-Verlag Berlin/Heidelberg 2004

Suggested Citation

  • Yves Balasko, 2004. "The equilibrium manifold keeps the memory of individual demand functions," Economic Theory, Springer;Society for the Advancement of Economic Theory (SAET), vol. 24(3), pages 493-501, October.
  • Handle: RePEc:spr:joecth:v:24:y:2004:i:3:p:493-501 DOI: 10.1007/s00199-004-0473-9

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    References listed on IDEAS

    1. Krishna, Vijay, 2009. "Auction Theory," Elsevier Monographs, Elsevier, edition 2, number 9780123745071.
    2. Sushil Bikhchandani & Chi-fu Huang, 1993. "The Economics of Treasury Securities Markets," Journal of Economic Perspectives, American Economic Association, vol. 7(3), pages 117-134, Summer.
    3. Michael A. Arnold & Steven A. Lippman, 2001. "The analytics of search with posted prices," Economic Theory, Springer;Society for the Advancement of Economic Theory (SAET), vol. 17(2), pages 447-466.
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    Cited by:

    1. Loi, Andrea & Matta, Stefano, 2008. "Geodesics on the equilibrium manifold," Journal of Mathematical Economics, Elsevier, vol. 44(12), pages 1379-1384, December.
    2. Andrés Carvajal & Alvaro Riascos, 2005. "The Identification Of Preferences From Market Data Under Uncertainty," DOCUMENTOS CEDE 003599, UNIVERSIDAD DE LOS ANDES-CEDE.
    3. Andrés Carvajal, 2010. "The testable implications of competitive equilibrium in economies with externalities," Economic Theory, Springer;Society for the Advancement of Economic Theory (SAET), vol. 45(1), pages 349-378, October.
    4. Yves Balasko & Mich Tvede, 2010. "Individual preference rankings compatible with prices, income distributions and total resources," Economic Theory, Springer;Society for the Advancement of Economic Theory (SAET), vol. 45(3), pages 497-513, December.

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    Equilibrium manifold; Demand functions.;


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