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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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References

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  1. Marie-Cécile FAGART, 1996. "Concurrence en contrats, anti-sélection et structure d'information," Annales d'Economie et de Statistique, ENSAE, issue 43, pages 1-27.
  2. 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.
  3. 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.
  4. Leo K. Simon and William R. Zame., 1987. "Discontinuous Games and Endogenous Sharing Rules," Economics Working Papers 8756, University of California at Berkeley.
  5. Richard Arnott & Joseph E Stiglitz, 2010. "Randomization with Asymmetric Information," Levine's Working Paper Archive 2054, David K. Levine.
  6. 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.
  7. 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.
  8. Michael Landsberger & Isaac Meilijson, 1999. "A general model of insurance under adverse selection," Economic Theory, Springer, vol. 14(2), pages 331-352.
  9. 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.
  10. 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.
  11. Michael Smart, 1996. "Competitive Insurance Markets with Two Unobservables," Working Papers msmart-96-01, University of Toronto, Department of Economics.
  12. 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.
  13. Dionne, G. & Doherty, N., 1991. "Adverse Selection in Insurance Markets: a Selective Survey," Cahiers de recherche 9105, Universite de Montreal, Departement de sciences economiques.
  14. Riley, John G, 1979. "Informational Equilibrium," Econometrica, Econometric Society, vol. 47(2), pages 331-59, March.
  15. 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.
  16. Edward C Prescott & Robert M Townsend, 2010. "Pareto Optima and Competitive Equilibria With Adverse Selection and Moral Hazard," Levine's Working Paper Archive 2069, David K. Levine.
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Citations

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Cited by:
  1. Alma Cohen & Liran Einav, 2005. "Estimating Risk Preferences from Deductible Choice," Discussion Papers 04-031, Stanford Institute for Economic Policy Research.
  2. 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.
  3. Georges Dionne & Nathalie Fombaron & Neil Doherty, 2012. "Adverse Selection in Insurance Contracting," Cahiers de recherche 1231, CIRPEE.
  4. 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.
  5. 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).
  6. Nick Netzer & Florian Scheuer, 2009. "Competitive Screening in Insurance Markets with Endogenous Wealth Heterogeneity," SOI - Working Papers 0907, Socioeconomic Institute - University of Zurich, revised Jun 2009.
  7. Sonnenholzner, Michael & Wambach, Achim, 2006. "On the role of patience in an insurance market with asymmetric information," CFS Working Paper Series 2007/04, Center for Financial Studies (CFS).
  8. 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.
  9. Legal, Renaud & Plisson, Manuel, 2008. "Assurance dépendance, effets de sélection et antisélection," Economics Papers from University Paris Dauphine 123456789/5055, Paris Dauphine University.
  10. Ciprian Matis & Eugenia Matis, 2013. "Asymmetric Information In Insurance Field: Some General Considerations," Annales Universitatis Apulensis Series Oeconomica, Faculty of Sciences, "1 Decembrie 1918" University, Alba Iulia, vol. 1(15), pages 17.
  11. Daniel McFadden & Carlos Noton & Pau Olivella, 2013. "Minimum Coverage Regulation in Insurance Markets," Documentos de Trabajo 301, Centro de Economía Aplicada, Universidad de Chile.

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