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Insurance in a Market for Credence Goods

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  • Kai Sülzle
  • Achim Wambach

Abstract

We study the impact of variations in the degree of insurance on the amount of fraud in a physician-patient relationship. In a market for credence goods, where prices are regulated by an authority, physicians act as experts. Due to their informational advantage, physicians have an incentive to cheat by pretending to perform inappropriately high treatment levels leading to overcharging patients. Our approach aims on the impact on changes in each, patients' and physicians' incentive structure when the proportional degree of coinsurance varies. It is shown that a higher coinsurance rate may lead to either less fraud in the market and a lower probability of patients searching for second opinions or more fraud and more searches. Copyright The Journal of Risk and Insurance.

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Bibliographic Info

Article provided by The American Risk and Insurance Association in its journal The Journal of Risk and Insurance.

Volume (Year): 72 (2005)
Issue (Month): 1 ()
Pages: 159-176

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Handle: RePEc:bla:jrinsu:v:72:y:2005:i:1:p:159-176

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References

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  1. Mookherjee, Dilip & Png, Ivan, 1989. "Optimal Auditing, Insurance, and Redistribution," The Quarterly Journal of Economics, MIT Press, vol. 104(2), pages 399-415, May.
  2. Marie-Cécile Fagart & Pierre Picard, 1998. "Optimal Insurance Under Random Auditing," Working Papers 98-47, Centre de Recherche en Economie et Statistique.
  3. Lacker, J.M., 1989. "Optimal Contracts Under Costly State Falsification," Purdue University Economics Working Papers 956, Purdue University, Department of Economics.
  4. Asher Wolinsky, 1993. "Competition in a Market for Informed Experts' Services," RAND Journal of Economics, The RAND Corporation, vol. 24(3), pages 380-398, Autumn.
  5. Winand Emons, 1995. "Credence Goods Monopolists," Diskussionsschriften dp9501, Universitaet Bern, Departement Volkswirtschaft.
  6. Townsend, Robert M., 1979. "Optimal contracts and competitive markets with costly state verification," Journal of Economic Theory, Elsevier, vol. 21(2), pages 265-293, October.
  7. Keith J. Crocker & John Morgan, 1998. "Is Honesty the Best Policy? Curtailing Insurance Fraud through Optimal Incentive Contracts," Journal of Political Economy, University of Chicago Press, vol. 106(2), pages 355-375, April.
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Citations

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Cited by:
  1. Wanda Mimra & Alexander Rasch & Christian Waibel, 2014. "Second Opinions in Markets for Expert Services: Experimental Evidence," CER-ETH Economics working paper series 14/192, CER-ETH - Center of Economic Research (CER-ETH) at ETH Zurich.
  2. Emons, Winand, 2010. "Incentive Compatible Reimbursement Schemes for Physicians," CEPR Discussion Papers 7659, C.E.P.R. Discussion Papers.
  3. Georges Dionne, 2012. "The Empirical Measure of Information Problems with Emphasis on Insurance Fraud and Dynamic Data," Cahiers de recherche 1233, CIRPEE.
  4. Kyle Hyndman & Saltuk Ozerturk, 2008. "Consumer Information in a Market for Expert Services," Departmental Working Papers 0801, Southern Methodist University, Department of Economics.
  5. Loukas Balafoutas & Rudolf Kerschbamer & Matthias Sutter, 2013. "Second-Degree Moral Hazard in a Real-World Credence Goods Market," Working Papers 2013-26, Faculty of Economics and Statistics, University of Innsbruck.
  6. Bonroy, Olivier & Lemarié, Stéphane & Tropéano, Jean-Philippe, 2013. "Credence goods, experts and risk aversion," Economics Letters, Elsevier, vol. 120(3), pages 464-467.
  7. repec:cgr:cgsser:03-07 is not listed on IDEAS
  8. Uwe Dulleck & Rudolf Kerschbamer, 2005. "Experts vs. discounters: consumer free riding and experts withholding advice in markets for credence goods," Economics working papers 2005-09, Department of Economics, Johannes Kepler University Linz, Austria.
  9. Alexander Rasch & Christian Waibel, 2013. "What drives fraud in a credence goods market? Evidence from a field study," CER-ETH Economics working paper series 13/179, CER-ETH - Center of Economic Research (CER-ETH) at ETH Zurich.
  10. Dominik Erharter, 2012. "Credence goods markets, distributional preferences and the role of institutions," Working Papers 2012-11, Faculty of Economics and Statistics, University of Innsbruck.
  11. Vincze, János, 2010. "Miért és mitől védjük a fogyasztókat?. Aszimmetrikus információ és/vagy korlátozott racionalitás
    [Asymmetric information and/or bounded rationality: why are consumers protected and from
    ," Közgazdasági Szemle (Economic Review - monthly of the Hungarian Academy of Sciences), Közgazdasági Szemle Alapítvány (Economic Review Foundation), vol. 0(9), pages 725-752.
  12. Nell, Martin & Schiller, Jörg, 2002. "Erklärungsansätze für vertragswidriges Verhalten von Versicherungsnehmern aus Sicht der ökonomischen Theorie," Working Papers on Risk and Insurance 7, University of Hamburg, Institute for Risk and Insurance.
  13. Dulleck, Uwe & Kerschbamer, Rudolf, 2005. "Experts vs Discounters: Competition and Market Unravelling When Consumers Do Not Know What they Need," CEPR Discussion Papers 5242, C.E.P.R. Discussion Papers.
  14. Jennifer Brown & Dylan B. Minor, 2012. "Misconduct in Credence Good Markets," NBER Working Papers 18608, National Bureau of Economic Research, Inc.

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