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The Identification Of Preferences From Market Data Under Uncertainty

  • Andrés Carvajal

    ()

  • Alvaro Riascos

    ()

We show that even under incomplete markets, the equilibrium manifold identifies aggregate demand and individual demands everywhere in their domains. Moreover, under partial observation of the equilibrium manifold, we we construct maximal domains of identification. For this, we assume conditions of smoothness, interiority and regularity, but avoid implausible observational requirements. It is crucial that there be date-zero consumption. As a by-product, we develop some duality theory under incomplete markets.

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File URL: http://economia.uniandes.edu.co/publicaciones/d2005-48.pdf
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Paper provided by UNIVERSIDAD DE LOS ANDES-CEDE in its series DOCUMENTOS CEDE with number 003599.

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Length: 34
Date of creation: 16 Aug 2005
Date of revision:
Handle: RePEc:col:000089:003599
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  1. repec:dau:papers:123456789/13505 is not listed on IDEAS
  2. Felix Kübler & Pierre-Andre Chiappori & Ivar Ekeland & Heracles M. Polemarchakis, 2000. "The Identification of Preferences from Equilibrium Prices under Uncertainty," Working Papers hal-00598231, HAL.
  3. Chiappori, P. -A. & Ekeland, I. & Kubler, F. & Polemarchakis, H. M., 2004. "Testable implications of general equilibrium theory: a differentiable approach," Journal of Mathematical Economics, Elsevier, vol. 40(1-2), pages 105-119, February.
  4. Mas-Colell, Andreu & Whinston, Michael D. & Green, Jerry R., 1995. "Microeconomic Theory," OUP Catalogue, Oxford University Press, number 9780195102680, December.
  5. Carvajal, Andres & Ray, Indrajit & Snyder, Susan, 2004. "Equilibrium behavior in markets and games: testable restrictions and identification," Journal of Mathematical Economics, Elsevier, vol. 40(1-2), pages 1-40, February.
  6. Arthur Lewbel, 2000. "A Rational Rank Four Demand System," Boston College Working Papers in Economics 463, Boston College Department of Economics, revised 04 Apr 2003.
  7. Duffie, Darrell & Shafer, Wayne, 1985. "Equilibrium in incomplete markets: I : A basic model of generic existence," Journal of Mathematical Economics, Elsevier, vol. 14(3), pages 285-300, June.
  8. 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.
  9. Carvajal Andrés & Riascos Alvaro, 2005. "Identification of Preferences from Market Data," The B.E. Journal of Theoretical Economics, De Gruyter, vol. 5(1), pages 1-17, April.
  10. Kubler, Felix, 2003. "Observable restrictions of general equilibrium models with financial markets," Journal of Economic Theory, Elsevier, vol. 110(1), pages 137-153, May.
  11. Rosa Matzkin, 2005. "Identification of consumers’ preferences when their choices are unobservable," Economic Theory, Springer;Society for the Advancement of Economic Theory (SAET), vol. 26(2), pages 423-443, 08.
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