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Competitive Equilibrium with Moral Hazard in Economies with Multiple Commodities

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Author Info
CITANNA, Alessandro
Abstract

We study an economy with competitive commodity markets and exclusive pairwise contractual relations with moral hazard, where both the principal and the agent can be risk averse. We show existence of equilibria and their generic constrained suboptimality, by means of a change in the compensation schemes. Such suboptimality occurs provided the number of commodities is sufficiently large relative to the number of states and pair types, and there are at least three future states of the world.

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Paper provided by HEC Paris in its series Les Cahiers de Recherche with number 700.

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Length: 38 pages
Date of creation: 01 Jan 2000
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Handle: RePEc:ebg:heccah:0700

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Related research
Keywords: General equilibrium; moral hazard; constrained suboptimality;

Find related papers by JEL classification:
D51 - Microeconomics - - General Equilibrium and Disequilibrium - - - Exchange and Production Economies
D52 - Microeconomics - - General Equilibrium and Disequilibrium - - - Incomplete Markets
D82 - Microeconomics - - Information, Knowledge, and Uncertainty - - - Asymmetric and Private Information

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  1. Helpman, Elhanan & Laffont, Jean-Jacques, 1975. "On moral hazard in general equilibrium theory," Journal of Economic Theory, Elsevier, vol. 10(1), pages 8-23, February. [Downloadable!] (restricted)
  2. Harald Uhlig, 1996. "A law of large numbers for large economies (*)," Economic Theory, Springer, vol. 8(1), pages 41-50.
  3. Malinvaud, E, 1973. "Markets for an Exchange Economy with Individual Risks," Econometrica, Econometric Society, vol. 41(3), pages 383-410, May. [Downloadable!] (restricted)
  4. Smale, S., 1974. "Global analysis and economics IIA : Extension of a theorem of Debreu," Journal of Mathematical Economics, Elsevier, vol. 1(1), pages 1-14, March. [Downloadable!] (restricted)
  5. Bisin, Alberto & Gottardi, Piero, 1997. "General Competitive Analysis with Asymmetric Information," Working Papers 97-38, C.V. Starr Center for Applied Economics, New York University. [Downloadable!]
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  6. Grossman, Sanford J & Hart, Oliver D, 1983. "An Analysis of the Principal-Agent Problem," Econometrica, Econometric Society, vol. 51(1), pages 7-45, January. [Downloadable!] (restricted)
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  7. Prescott, Edward C & Townsend, Robert M, 1984. "Pareto Optima and Competitive Equilibria with Adverse Selection and Moral Hazard," Econometrica, Econometric Society, vol. 52(1), pages 21-45, January. [Downloadable!] (restricted)
  8. Allen, Beth, 1981. "Utility perturbations and the equilibrium price set," Journal of Mathematical Economics, Elsevier, vol. 8(3), pages 277-307, October. [Downloadable!] (restricted)
  9. Atsushi Kajii & Antonio Villanacci & Alessandro Citanna, 1998. "Constrained suboptimality in incomplete markets: a general approach and two applications," Economic Theory, Springer, vol. 11(3), pages 495-521. [Downloadable!] (restricted)
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