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Multidimensional Screening in a Monopolistic Insurance Market

  • Pau Olivella
  • Fred Schroyen

In this paper, we consider a population of individuals who differ in two dimensions: their risk type (expected loss) and their risk aversion. We solve for the profit maximizing menu of contracts that a monopolistic insurer puts out on the market. First, we find that it is never optimal to fully separate all the types. Second, if heterogeneity in risk aversion is sufficiently high, then some high-risk individuals (the risk-tolerant ones) will obtain lower coverage than some low-risk individuals (the risk-averse ones). Third, we show that when the average man and woman differ only in risk aversion, gender discrimination may lead to a Pareto improvement.

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Paper provided by Barcelona Graduate School of Economics in its series Working Papers with number 619.

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Date of creation: Feb 2012
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Handle: RePEc:bge:wpaper:619
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  1. David McCarthy & Olivia S. Mitchell, 2003. "International Adverse Selection in Life Insurance and Annuities," NBER Working Papers 9975, National Bureau of Economic Research, Inc.
  2. DE DONDER, Philippe & HINDRIKS, Jean, 2006. "Equilibrium social insurance with policy-motivated parties," CORE Discussion Papers 2006033, Université catholique de Louvain, Center for Operations Research and Econometrics (CORE).
  3. David M. Cutler & Amy Finkelstein & Kathleen McGarry, 2008. "Preference Heterogeneity and Insurance Markets: Explaining a Puzzle of Insurance," NBER Working Papers 13746, National Bureau of Economic Research, Inc.
  4. Jullien, Bruno & Salanié, Bernard & Salanié, François, 2001. "Screening Risk Averse Agents Under Moral Hazard," CEPR Discussion Papers 3076, C.E.P.R. Discussion Papers.
  5. Villeneuve, Bertrand, 2003. "Concurrence et antisélection multidimensionnelle en assurance," Economics Papers from University Paris Dauphine 123456789/5370, Paris Dauphine University.
  6. John Cawley & Tomas Philipson, 1997. "An Empirical Examination of Information Barriers to Trade inInsurance," University of Chicago - George G. Stigler Center for Study of Economy and State 132, Chicago - Center for Study of Economy and State.
  7. Alma Cohen & Peter Siegelman, 2010. "Testing for Adverse Selection in Insurance Markets," Journal of Risk & Insurance, The American Risk and Insurance Association, vol. 77(1), pages 39-84.
  8. Eckel, Catherine C. & Grossman, Philip J., 2008. "Men, Women and Risk Aversion: Experimental Evidence," Handbook of Experimental Economics Results, Elsevier.
  9. 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.
  10. Pau Olivella & Marcos Vera-Hernández, 2006. "Testing for Asymmetric Information in Private Health Insurance," Working Papers 246, Barcelona Graduate School of Economics.
  11. Kimball, Miles S & Sahm, Claudia R & Shapiro, Matthew D, 2008. "Imputing Risk Tolerance From Survey Responses," Journal of the American Statistical Association, American Statistical Association, vol. 103(483), pages 1028-1038.
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