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Economic efficiency and mixed public/private insurance

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  • Blomqvist, A.
  • Johansson, P-O.

Abstract

In this paper we discuss the efficiency properties of insurance markets where supplementary private insurance is allowed to exist together with a compulsory government insurance plan. Our main conclusion, which is contrary to both those of Besley (1989) and Selden (1993), is that in a simple model focussing on the moral hazard problem alone, a mixed system will generally be strictly less efficient than a purely private (competitive) system. We also show that there is a flaw in Selden's (1993) main proposition, which at least in part invalidates his result on the welfare properties of systems of mixed government/private insurance.

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Bibliographic Info

Article provided by Elsevier in its journal Journal of Public Economics.

Volume (Year): 66 (1997)
Issue (Month): 3 (December)
Pages: 505-516

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Handle: RePEc:eee:pubeco:v:66:y:1997:i:3:p:505-516

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Web page: http://www.elsevier.com/locate/inca/505578

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References

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  1. Besley, Timothy, 1989. "Publicly provided disaster insurance for health and the control of moral hazard," Journal of Public Economics, Elsevier, vol. 39(2), pages 141-156, July.
  2. Selden, Thomas M., 1993. "Should the government provide catastrophic insurance?," Journal of Public Economics, Elsevier, vol. 51(2), pages 241-247, June.
  3. Blomqvist, Ake, 1997. "Optimal non-linear health insurance," Journal of Health Economics, Elsevier, vol. 16(3), pages 303-321, June.
  4. Pauly, Mark V, 1986. "Taxation, Health Insurance, and Market Failure in the Medical Economy," Journal of Economic Literature, American Economic Association, vol. 24(2), pages 629-75, June.
  5. Zeckhauser, Richard, 1970. "Medical insurance: A case study of the tradeoff between risk spreading and appropriate incentives," Journal of Economic Theory, Elsevier, vol. 2(1), pages 10-26, March.
  6. Pauly, Mark V, 1974. "Overinsurance and Public Provision of Insurance: The Roles of Moral Hazard and Adverse Selection," The Quarterly Journal of Economics, MIT Press, vol. 88(1), pages 44-62, February.
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Citations

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Cited by:
  1. Selden, Thomas M., 1997. "More on the economic efficiency of mixed public/private insurance," Journal of Public Economics, Elsevier, vol. 66(3), pages 517-523, December.
  2. Jihong Ding & Minglai Zhu, 2009. "A theoretical investigation of the reformed public health insurance in urban China," Frontiers of Economics in China, Springer, vol. 4(1), pages 1-29, March.
  3. Amy Finkelstein, 2002. "The Interaction of Partial Public Insurance Programs and Residual Private Insurance Markets: Evidence from the U.S. Medicare Program," NBER Working Papers 9031, National Bureau of Economic Research, Inc.
  4. Johansson, Per-Olov, 2000. "Properties of actuarially fair and pay-as-you-go health insurance schemes for the elderly. An OLG model approach," Journal of Health Economics, Elsevier, vol. 19(4), pages 477-498, July.
  5. Rachel J. Huang & Larry Y. Tzeng, 2007. "Insurer's insolvency risk and tax deductions for the individual's net losses," The Geneva Risk and Insurance Review, Palgrave Macmillan, vol. 32(2), pages 129-145, December.
  6. F. Barigozzi, 2004. "Supplementary Insurance with Ex-Post Moral Hazard: Efficiency and Redistribution," Working Papers 521, Dipartimento Scienze Economiche, Universita' di Bologna.
  7. Pedro Pita Barros & Xavier Martinez-Giralt, 2002. "Public and Private Provision of Health Care," Journal of Economics & Management Strategy, Wiley Blackwell, vol. 11(1), pages 109-133, 03.
  8. Raj Chetty & Emmanuel Saez, 2010. "Optimal Taxation and Social Insurance with Endogenous Private Insurance," American Economic Journal: Economic Policy, American Economic Association, vol. 2(2), pages 85-114, May.
  9. Finkelstein, Amy, 2004. "The interaction of partial public insurance programs and residual private insurance markets: evidence from the US Medicare program," Journal of Health Economics, Elsevier, vol. 23(1), pages 1-24, January.
  10. Johannesson, Magnus & Johansson, Per-Olov & Soderqvist, Tore, 1998. "Time spent on waiting lists for medical care: an insurance approach," Journal of Health Economics, Elsevier, vol. 17(5), pages 627-644, October.
  11. Omar Paccagnella & Vincenzo Rebba & Guglielmo Weber, 2013. "VOLUNTARY PRIVATE HEALTH INSURANCE AMONG THE OVER 50s IN EUROPE," Health Economics, John Wiley & Sons, Ltd., vol. 22(3), pages 289-315, 03.
  12. Hoel, Michael, 2005. "Prioritizing public health expenditures when there is a private alternative," Memorandum 16/2005, Oslo University, Department of Economics.
  13. Petretto, Alessandro, 1999. "Optimal social health insurance with supplementary private insurance," Journal of Health Economics, Elsevier, vol. 18(6), pages 727-745, December.
  14. Samuel Bowles & Herbert Gintis, 2000. "Risk Aversion, Insurance, and the Efficiency-Equality Tradeoff," UMASS Amherst Economics Working Papers 2000-03, University of Massachusetts Amherst, Department of Economics.
  15. Hoel, Michael, 2007. "What should (public) health insurance cover?," Journal of Health Economics, Elsevier, vol. 26(2), pages 251-262, March.

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