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The identification of preferences from equilibrium prices

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  • CHIAPPORI, Pierre-André
  • EKELAND, Ivar
  • KUBLER, Félix
  • POLEMARCHAKIS, Heracles

Abstract

The fundamentals of an exchange economy, the preferences of individuals, can be identified from the competitive equilibrium correspondence, which associates equilibrium prices of commodities to allocations of endowments; the argument extends to production economies. The essential step is the identification of fundamentals from aggregate demand as a function of the prices of commodities and the distribution of income. The graph of the equilibrium correspondence or of the aggregate demand function satisfy non - trivial restrictions. The identification of fundamentals allows for the prediction of the response of individuals and the economy to changes in the organization of production and exchange, while restrictions on the equilibrium correspondence or the aggregate demand function imply that general equilibrium theory has testable implications.

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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 2000024.

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Date of creation: 00 Mar 2000
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Handle: RePEc:cor:louvco:2000024

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Related research

Keywords: aggregation; equilibrium; identification; testability.;

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References

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  1. Brown, Donald J & Matzkin, Rosa L, 1996. "Testable Restrictions on the Equilibrium Manifold," Econometrica, Econometric Society, vol. 64(6), pages 1249-62, November.
  2. DEBREU, Gérard, . "Economies with a finite set of equilibria," CORE Discussion Papers RP -67, Université catholique de Louvain, Center for Operations Research and Econometrics (CORE).
  3. Lars Peter Hansen & James J. Heckman, 1996. "The Empirical Foundations of Calibration," Journal of Economic Perspectives, American Economic Association, vol. 10(1), pages 87-104, Winter.
  4. Shafer, Wayne & Sonnenschein, Hugo, 1993. "Market demand and excess demand functions," Handbook of Mathematical Economics, in: K. J. Arrow & M.D. Intriligator (ed.), Handbook of Mathematical Economics, edition 4, volume 2, chapter 14, pages 671-693 Elsevier.
  5. Sonnenschein, Hugo, 1973. "Do Walras' identity and continuity characterize the class of community excess demand functions?," Journal of Economic Theory, Elsevier, vol. 6(4), pages 345-354, August.
  6. repec:fth:louvco:9933 is not listed on IDEAS
  7. Lewbel, Arthur, 1991. "The Rank of Demand Systems: Theory and Nonparametric Estimation," Econometrica, Econometric Society, vol. 59(3), pages 711-30, May.
  8. McFadden, Daniel & Mas-Colell, Andreu & Mantel, Rolf & Richter, Marcel K., 1974. "A characterization of community excess demand functions," Journal of Economic Theory, Elsevier, vol. 9(4), pages 361-374, December.
  9. Mantel, Rolf R., 1974. "On the characterization of aggregate excess demand," Journal of Economic Theory, Elsevier, vol. 7(3), pages 348-353, March.
  10. DEBREU, Gérard, . "Smooth preferences," CORE Discussion Papers RP -132, Université catholique de Louvain, Center for Operations Research and Econometrics (CORE).
  11. Debreu, Gerard, 1974. "Excess demand functions," Journal of Mathematical Economics, Elsevier, vol. 1(1), pages 15-21, March.
  12. Debreu,Gerard Introduction by-Name:Hildenbrand,Werner, 1986. "Mathematical Economics," Cambridge Books, Cambridge University Press, number 9780521335614.
  13. Donsimoni, M. -P. & Polemarchakis, H. M., 1994. "Redistribution and welfare," Journal of Mathematical Economics, Elsevier, vol. 23(3), pages 235-242, May.
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Citations

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Cited by:
  1. Andres Carvajal & Alvaro Riascos, 2004. "Global identification from the equilibrium manifold under incomplete markets," Econometric Society 2004 North American Summer Meetings 196, Econometric Society.
  2. Carvajal, Andres, 2004. "Testable restrictions on the equilibrium manifold under random preferences," Journal of Mathematical Economics, Elsevier, vol. 40(1-2), pages 121-143, February.
  3. Kubler, Felix, 2003. "Observable restrictions of general equilibrium models with financial markets," Journal of Economic Theory, Elsevier, vol. 110(1), pages 137-153, May.
  4. Ekeland, Ivar & Guesnerie, Roger, 2010. "The geometry of global production and factor price equalisation," Journal of Mathematical Economics, Elsevier, vol. 46(5), pages 666-690, September.
  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. J. D. Geanakoplos & H. M. Polemarchakis, 2006. "Pareto Improving Taxes," Levine's Bibliography 321307000000000350, UCLA Department of Economics.

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