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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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Citations

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Cited by:
  1. Cremer, Helmuth & Roeder, Kerstin, 2011. "Long-term care policy, myopia and redistribution," IDEI Working Papers 723, Institut d'Économie Industrielle (IDEI), Toulouse, revised May 2012.
  2. 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.
  3. 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.
  4. 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.
  5. 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.
  6. Andreas Polk & Armin Schmutzler & Adrian Muller, 2010. "Lobbying and the Power of Multinational Firms," SOI - Working Papers 1008, Socioeconomic Institute - University of Zurich.
  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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