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A Median Voter Model of Health Insurance with Ex Post Moral Hazard

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  • Jacob, Johanna

    (Department of Economics)

  • Lundin, Douglas

    (Stockholm School of Economics)

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    Abstract

    One of the main features of health insurance is moral hazard, as defined by Pauly (1968); people face incentives for excess utilization of medical care since they do not pay the full marginal cost for provision. To mitigate the moral hazard problem, a coinsurance can be included in the insurance contract. We analyze under what conditions there is a conflict between individuals on what coinsurance rate should be set with public health insurance, and we establish conditions for a median-voter equilibrium. Then we allow the public insurance to be supplemented with private insurance, and we establish conditions under which public provision will lead to larger aggregate spending than private provision does.

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    Bibliographic Info

    Paper provided by Uppsala University, Department of Economics in its series Working Paper Series with number 2001:7.

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    Length: 34 pages
    Date of creation: 15 Feb 2001
    Date of revision:
    Handle: RePEc:hhs:uunewp:2001_007

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    Postal: Department of Economics, Uppsala University, P. O. Box 513, SE-751 20 Uppsala, Sweden
    Phone: + 46 18 471 25 00
    Fax: + 46 18 471 14 78
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    Web page: http://www.nek.uu.se/
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    Related research

    Keywords: Health insurance; moral hazard; public provision; median voter;

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    References

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    1. Robin W. Boadway & Maurice Marchand, 1990. "The Use of Public Expenditure for Distributive Purpose," Working Papers 796, Queen's University, Department of Economics.
    2. Dan Usher, 1976. "The Welfare Economics of the Socialization of Commodities," Working Papers 218, Queen's University, Department of Economics.
    3. James P. Smith, 1999. "Healthy Bodies and Thick Wallets: The Dual Relation between Health and Economic Status," Journal of Economic Perspectives, American Economic Association, vol. 13(2), pages 145-166, Spring.
    4. Feldman, Roger & Dowd, Bryan, 1991. "A New Estimate of the Welfare Loss of Excess Health Insurance," American Economic Review, American Economic Association, vol. 81(1), pages 297-301, March.
    5. Blomquist, Suren & Christiansen, Vidar, 1995. " Public Provision of Private Goods as a Redistributive Device in an Optimum Income Tax Model," Scandinavian Journal of Economics, Wiley Blackwell, vol. 97(4), pages 547-67, December.
    6. Gouveia, Miguel, 1997. " Majority Rule and the Public Provision of a Private Good," Public Choice, Springer, vol. 93(3-4), pages 221-44, December.
    7. Feldstein, Martin S, 1973. "The Welfare Loss of Excess Health Insurance," Journal of Political Economy, University of Chicago Press, vol. 81(2), pages 251-80, Part I, M.
    8. Boadway, R. & Marchand, M., . "The use of public expenditures for redistributive purposes," CORE Discussion Papers RP -1131, Université catholique de Louvain, Center for Operations Research and Econometrics (CORE).
    9. Wilson, L. S. & Katz, Michael L., 1983. "The socialization of commodities," Journal of Public Economics, Elsevier, vol. 20(3), pages 347-356, April.
    10. Breyer, Friedrich & Haufler, Andreas, 2000. "Health Care Reform: Separating Insurance from Income Redistribution," Munich Reprints in Economics 20114, University of Munich, Department of Economics.
    11. Tim Besley & John Hall & Ian Preston, 1996. "The demand for private health insurance: do waiting lists matter?," IFS Working Papers W96/07, Institute for Fiscal Studies.
    12. Friedrich Breyer & Andreas Haufler, 2000. "Health Care Reform: Separating Insurance from Income Redistribution," International Tax and Public Finance, Springer, vol. 7(4), pages 445-461, August.
    13. Epple, Dennis & Romano, Richard E, 1996. "Public Provision of Private Goods," Journal of Political Economy, University of Chicago Press, vol. 104(1), pages 57-84, February.
    14. Gans, Joshua S. & Smart, Michael, 1996. "Majority voting with single-crossing preferences," Journal of Public Economics, Elsevier, vol. 59(2), pages 219-237, February.
    15. Getzen, Thomas E., 2000. "Health care is an individual necessity and a national luxury: applying multilevel decision models to the analysis of health care expenditures," Journal of Health Economics, Elsevier, vol. 19(2), pages 259-270, March.
    16. Breyer, Friedrich, 1995. "The Political Economy of Rationing in Social Health Insurance," Journal of Population Economics, Springer, vol. 8(2), pages 137-48, May.
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    Cited by:
    1. Simona GRASSI, 2006. "On the characteristics of a mixed system of provision of a private good. An application to health care," Departmental Working Papers 2006-14, Department of Economics, Management and Quantitative Methods at Università degli Studi di Milano.

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