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Competitive screening in insurance markets with endogenous wealth heterogeneity

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  • Nick Netzer

    ()

  • Florian Scheuer

    ()

Abstract

We examine equilibria in competitive insurance markets with adverse selection when wealth differences arise endogenously from unobservable savings or labor supply decisions. The endogeneity of wealth implies that high risk individuals may ceteris paribus exhibit the lower marginal willingness to pay for insurance than low risks, a phenomenon that we refer to as irregular-crossing preferences. In our model, both risk and patience (or productivity) are privately observable. In contrast to the models in the existing literature, where wealth heterogeneity is exogenously assumed, equilibria in our model no longer exhibit a monotone relation between risk and coverage. Individuals who purchase larger coverage are no longer higher risks, a phenomenon frequently observed in empirical studies.

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Bibliographic Info

Article provided by Springer in its journal Economic Theory.

Volume (Year): 44 (2010)
Issue (Month): 2 (August)
Pages: 187-211

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Handle: RePEc:spr:joecth:v:44:y:2010:i:2:p:187-211

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Related research

Keywords: Insurance markets; Adverse selection; Multidimensional screening; D82; G22; J22;

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References

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  1. de Meza, David & Webb, David C, 2001. "Advantageous Selection in Insurance Markets," RAND Journal of Economics, The RAND Corporation, vol. 32(2), pages 249-62, Summer.
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  18. Jullien, Bruno & Salanié, Bernard & Salanié, François, 2001. "Screening Risk Averse Agents Under Moral Hazard," CEPR Discussion Papers 3076, C.E.P.R. Discussion Papers.
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Citations

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Cited by:
  1. OLIVELLA, Pau & SCHROYEN, Fred, 2011. "Multidimensional screening in a monopolistic insurance market," CORE Discussion Papers 2011056, Université catholique de Louvain, Center for Operations Research and Econometrics (CORE).
  2. Ilja Neustadt & Peter Zweifel, 2009. "Economic Well-Being, Social Mobility, and Preferences for Income Redistribution: Evidence from a Discrete Choice Experiment," SOI - Working Papers 0909, Socioeconomic Institute - University of Zurich, revised Jan 2010.
  3. Polk, Andreas & Schmutzler, Armin & Müller, Adrian, 2013. "Lobbying and the Power of Multinational Firms," Annual Conference 2013 (Duesseldorf): Competition Policy and Regulation in a Global Economic Order 79875, Verein für Socialpolitik / German Economic Association.
  4. Maurus Rischatsch & Maria Trottmann, 2009. "Physician dispensing and the choice between generic and brand-name drugs – Do margins affect choice?," SOI - Working Papers 0911, Socioeconomic Institute - University of Zurich.
  5. Cremer, Helmuth & Roeder, Kerstin, 2013. "Long-term care policy, myopia and redistribution," Munich Reprints in Economics 20065, University of Munich, Department of Economics.
  6. Sandroni, Alvaro & Squintani, Francesco, 2013. "Overconfidence and asymmetric information: The case of insurance," Journal of Economic Behavior & Organization, Elsevier, vol. 93(C), pages 149-165.
  7. Michele Sennhauser, 2009. "Why the Linear Utility Function is a Risky Choice in Discrete-Choice Experiments," SOI - Working Papers 1014, Socioeconomic Institute - University of Zurich.
  8. Scheuer, Florian, 2013. "Adverse selection in credit markets and regressive profit taxation," Journal of Economic Theory, Elsevier, vol. 148(4), pages 1333-1360.
  9. Maurus Rischatsch, 2009. "Simulating WTP Values from Random-Coefficient Models," SOI - Working Papers 0912, Socioeconomic Institute - University of Zurich.

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