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Concurrence et antisélection multidimensionnelle en assurance

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  • Bertrand VILLENEUVE

Abstract

ln the Rothschild and Stiglitz model, assuming differences in risk aversions may lead to unusual equilibrium configurations like multiple equilibria, equilibrium positive profits, or random contracts. We characterize the various types of equilibria and give results on the determinants of the equilibrium regime. We conclude with a few remarks on classical equilibrium concepts in insurance economics, and we suggest policy implications.

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Bibliographic Info

Article provided by ENSAE in its journal Annals of Economics and Statistics.

Volume (Year): (2003)
Issue (Month): 69 ()
Pages: 119-142

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Handle: RePEc:adr:anecst:y:2003:i:69:p:06

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  1. 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.
  2. Riley, John G, 1979. "Informational Equilibrium," Econometrica, Econometric Society, vol. 47(2), pages 331-59, March.
  3. Simon, Leo K & Zame, William R, 1990. "Discontinuous Games and Endogenous Sharing Rules," Econometrica, Econometric Society, vol. 58(4), pages 861-72, July.
  4. Richard J. Arnott & Joseph E. Stiglitz, 1988. "Randomization with Asymmetric Information," NBER Working Papers 2507, National Bureau of Economic Research, Inc.
  5. Claude Fluet & Fran�ois Pannequin, 1997. "Complete Versus Incomplete Insurance Contracts under Adverse Selection with Multiple Risks," The Geneva Risk and Insurance Review, Palgrave Macmillan, vol. 22(2), pages 81-101, December.
  6. Smart, Michael, 2000. "Competitive Insurance Markets with Two Unobservables," International Economic Review, Department of Economics, University of Pennsylvania and Osaka University Institute of Social and Economic Research Association, vol. 41(1), pages 153-69, February.
  7. Doherty, Neil A & Schlesinger, Harris, 1983. "Optimal Insurance in Incomplete Markets," Journal of Political Economy, University of Chicago Press, vol. 91(6), pages 1045-54, December.
  8. Michael Landsberger & Isaac Meilijson, 1999. "A general model of insurance under adverse selection," Economic Theory, Springer, vol. 14(2), pages 331-352.
  9. Dasgupta, Partha & Maskin, Eric, 1986. "The Existence of Equilibrium in Discontinuous Economic Games, I: Theory," Review of Economic Studies, Wiley Blackwell, vol. 53(1), pages 1-26, January.
  10. Dionne, G. & Doherty, N., 1991. "Adverse Selection in Insurance Markets: a Selective Survey," Cahiers de recherche 9105, Universite de Montreal, Departement de sciences economiques.
  11. Laffont, Jean-Jacques & Rochet, Jean-Charles, 1988. " Stock Market Portfolios and the Segmentation of the Insurance Market," Scandinavian Journal of Economics, Wiley Blackwell, vol. 90(3), pages 435-46.
  12. Jullien, Bruno & Salanié, Bernard & Salanié, François, 2001. "Screening Risk-Averse Agents Under Moral Hazard," IDEI Working Papers 131, Institut d'Économie Industrielle (IDEI), Toulouse.
  13. Koehl, Pierre-François & Villeneuve, Bertrand, 2001. "Complementarity and Substituability in Multiple-Risk Insurance Markets," Economics Papers from University Paris Dauphine 123456789/5355, Paris Dauphine University.
  14. Bruno Jullien & Bernard Salanié & François Salanié, 2000. "Screening Risk-Averse Agents Under Moral Hazard," Working Papers 2000-41, Centre de Recherche en Economie et Statistique.
  15. Dasgupta, Partha & Maskin, Eric, 1986. "The Existence of Equilibrium in Discontinuous Economic Games, II: Applications," Review of Economic Studies, Wiley Blackwell, vol. 53(1), pages 27-41, January.
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Cited by:
  1. Michael Sonnenholzner & Achim Wambach, 2009. "On the Role of Patience in an Insurance Market With Asymmetric Information," Journal of Risk & Insurance, The American Risk and Insurance Association, vol. 76(2), pages 323-341.
  2. Paulo Barelli & Suren Basov & Mauricio Bugarin & Ian King, 2012. "The Robustness of Exclusion in Multi-dimensional Screening," RCER Working Papers 571, University of Rochester - Center for Economic Research (RCER).
  3. Nick Netzer & Florian Scheuer, 2010. "Competitive screening in insurance markets with endogenous wealth heterogeneity," Economic Theory, Springer, vol. 44(2), pages 187-211, August.
  4. Daniel McFadden & Carlos Noton & Pau Olivella, 2013. "Minimum Coverage Regulation in Insurance Markets," Documentos de Trabajo 301, Centro de Economía Aplicada, Universidad de Chile.
  5. Georges Dionne & Nathalie Fombaron & Neil Doherty, 2012. "Adverse Selection in Insurance Contracting," Cahiers de recherche 1231, CIRPEE.
  6. Alma Cohen & Liran Einav, 2007. "Estimating Risk Preferences from Deductible Choice," American Economic Review, American Economic Association, vol. 97(3), pages 745-788, June.
  7. Dardanoni, Valentino & Li Donni, Paolo, 2012. "Incentive and selection effects of Medigap insurance on inpatient care," Journal of Health Economics, Elsevier, vol. 31(3), pages 457-470.
  8. Legal, Renaud & Plisson, Manuel, 2008. "Assurance dépendance, effets de sélection et antisélection," Economics Papers from University Paris Dauphine 123456789/5055, Paris Dauphine University.
  9. Barelli, Paulo & Basov, Suren & Bugarin, Mauricio & King, Ian King, 2010. "The Inclusiveness of Exclusion," Insper Working Papers wpe_211, Insper Working Paper, Insper Instituto de Ensino e Pesquisa.
  10. Olivella, Pau & Schroyen, Fred, 2011. "Multidimensional screening in a monopolistic insurance market," Discussion Paper Series in Economics 19/2011, Department of Economics, Norwegian School of Economics.

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