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Efficient risk-sharing under adverse selection and subjective risk perception

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Arnold Chassagnon
Bertrand Villeneuve

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Abstract

The present paper thoroughly explores second-best efficient allocations in an adverse selection insurance economy. We start from a natural extension of the classical model, assumer less than perfect risk perceptions. We propose first and second welfare theorems, by means of which we describe efficiency-enhancing policies. Notions of weak and strong adverse selection are promising for interpreting real world insurance arrangements.

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Paper provided by DELTA (Ecole normale supérieure) in its series DELTA Working Papers with number 2002-19.

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Date of creation: 2002
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Handle: RePEc:del:abcdef:2002-19

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  1. Alberto Bisin & Piero Gottardi, 2005. "Efficient Competitive Equilibria with Adverse Selection," CESifo Working Paper Series CESifo Working Paper No. , CESifo Group Munich. [Downloadable!]
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  2. Guesnerie, Roger & Laffont, Jean-Jacques, 1984. "A complete solution to a class of principal-agent problems with an application to the control of a self-managed firm," Journal of Public Economics, Elsevier, vol. 25(3), pages 329-369, December. [Downloadable!] (restricted)
  3. Henriet, Dominique & Rochet, Jean-Claude, 1987. "Price regulation in insurance markets with asymmetric information," Economics Letters, Elsevier, vol. 24(4), pages 327-329. [Downloadable!] (restricted)
  4. Dasgupta, Partha & Maskin, Eric, 1986. "The Existence of Equilibrium in Discontinuous Economic Games, II: Applications," Review of Economic Studies, Blackwell Publishing, vol. 53(1), pages 27-41, January. [Downloadable!] (restricted)
  5. Schmeidler, David, 1989. "Subjective Probability and Expected Utility without Additivity," Econometrica, Econometric Society, vol. 57(3), pages 571-87, May. [Downloadable!] (restricted)
  6. Quiggin, John, 1982. "A theory of anticipated utility," Journal of Economic Behavior & Organization, Elsevier, vol. 3(4), pages 323-343, December. [Downloadable!] (restricted)
  7. Kahneman, Daniel & Tversky, Amos, 1979. "Prospect Theory: An Analysis of Decision under Risk," Econometrica, Econometric Society, vol. 47(2), pages 263-91, March. [Downloadable!] (restricted)
  8. Dionne, Georges & Fombaron, Nathalie, 1996. "Non-convexities and the efficiency of equilibria in insurance markets with asymmetric information," Economics Letters, Elsevier, vol. 52(1), pages 31-40, July. [Downloadable!] (restricted)
  9. Rothschild, Michael & Stiglitz, Joseph E, 1976. "Equilibrium in Competitive Insurance Markets: An Essay on the Economics of Imperfect Information," The Quarterly Journal of Economics, MIT Press, vol. 90(4), pages 630-49, November.
  10. Yaari, Menahem E, 1987. "The Dual Theory of Choice under Risk," Econometrica, Econometric Society, vol. 55(1), pages 95-115, January. [Downloadable!] (restricted)
  11. Briys, Eric P & Louberge, Henri, 1985. " On the Theory of Rational Insurance Purchasing: A Note," Journal of Finance, American Finance Association, vol. 40(2), pages 577-81, June. [Downloadable!] (restricted)
  12. 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)
  13. Meglena Jeleva & Bertrand Villeneuve, 2004. "Insurance contracts with imprecise probabilities and adverse selection," Economic Theory, Springer, vol. 23(4), pages 777-794, May. [Downloadable!] (restricted)
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  14. Doherty, Neil A & Eeckhoudt, Louis, 1995. "Optimal Insurance without Expected Utility: The Dual Theory and the Linearity of Insurance Contracts," Journal of Risk and Uncertainty, Springer, vol. 10(2), pages 157-79, March.
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