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Price Elasticity and Adverse Selection in the Demand for Supplementary Health Insurance

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  • Marquis, M Susan
  • Phelps, Charles E

Abstract

Probit regression estimates show the effects of the price of insurance, anticipated medical expenditures, and other factors on reported decisions a bout purchasing hypothetically offered supplementary insurance polici es. The demand estimates can characterize how much supplemental insur ance would be purchased under different tax policies affecting health insurance purchases. Although eliminating the current tax subsidy to insurance is shown to decrease demand, the results indicate a substa ntial demand for supplementary insurance even in absence of present t ax incentives. However, the authors' results on adverse selection rai se concerns about the potential stability of supplemental insurance m arkets. Copyright 1987 by Oxford University Press.

Suggested Citation

  • Marquis, M Susan & Phelps, Charles E, 1987. "Price Elasticity and Adverse Selection in the Demand for Supplementary Health Insurance," Economic Inquiry, Western Economic Association International, vol. 25(2), pages 299-313, April.
    • Handle: RePEc:oup:ecinqu:v:25:y:1987:i:2:p:299-313
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    Cited by:

    1. Hurd, Michael D. & McGarry, Kathleen, 1997. "Medical insurance and the use of health care services by the elderly," Journal of Health Economics, Elsevier, vol. 16(2), pages 129-154, April.
    2. Jonathan Gruber & James M. Poterba, 1996. "Tax Subsidies to Employer-Provided Health Insurance," NBER Chapters, in: Empirical Foundations of Household Taxation, pages 135-168, National Bureau of Economic Research, Inc.
    3. Jonathan Gruber & Michael Lettau, 2000. "How Elastic is the Firm's Demand for Health Insurance?," NBER Working Papers 8021, National Bureau of Economic Research, Inc.
    4. Cutler, David M. & Zeckhauser, Richard J., 2000. "The anatomy of health insurance," Handbook of Health Economics, in: A. J. Culyer & J. P. Newhouse (ed.), Handbook of Health Economics, edition 1, volume 1, chapter 11, pages 563-643, Elsevier.
    5. Renate Lange & Jörg Schiller & Petra Steinorth, 2015. "Demand and Selection Effects in Supplemental Health Insurance in Germany," SOEPpapers on Multidisciplinary Panel Data Research 757, DIW Berlin, The German Socio-Economic Panel (SOEP).
    6. Sengupta, Reshmi & Rooj, Debasis, 2019. "The effect of health insurance on hospitalization: Identification of adverse selection, moral hazard and the vulnerable population in the Indian healthcare market," World Development, Elsevier, vol. 122(C), pages 110-129.
    7. Renate Lange & Jörg Schiller & Petra Steinorth, 2017. "Demand and Selection Effects in Supplemental Health Insurance in Germany," The Geneva Papers on Risk and Insurance - Issues and Practice, Palgrave Macmillan;The Geneva Association, vol. 42(1), pages 5-30, January.
    8. Mark Stabile, 2002. "The Role of Tax Subsidies in the Market for Health Insurance," International Tax and Public Finance, Springer;International Institute of Public Finance, vol. 9(1), pages 33-50, January.
    9. Sukumar Vellakkal, 2009. "Adverse Selection and Private Health Insurance Coverage in India - A Rational Behaviour Model of Insurance Agents under Asymmetric Information," Microeconomics Working Papers 22270, East Asian Bureau of Economic Research.
    10. K. P. M. Winssen & R. C. Kleef & W. P. M. M. Ven, 2017. "A voluntary deductible in health insurance: the more years you opt for it, the lower your premium?," The European Journal of Health Economics, Springer;Deutsche Gesellschaft für Gesundheitsökonomie (DGGÖ), vol. 18(2), pages 209-226, March.
    11. Zhang, Licheng & Wang, Hong, 2008. "Dynamic process of adverse selection: Evidence from a subsidized community-based health insurance in rural China," Social Science & Medicine, Elsevier, vol. 67(7), pages 1173-1182, October.
    12. Manning, Willard G. & Marquis, M. Susan, 1996. "Health insurance: The tradeoff between risk pooling and moral hazard," Journal of Health Economics, Elsevier, vol. 15(5), pages 609-639, October.
    13. Bakker, F. M. & van Vliet, R. C. J. A., 1995. "The introduction of deductibles for prescription drugs in a national health insurance: compulsory or voluntary?," Health Policy, Elsevier, vol. 31(1), pages 53-65, January.
    14. van de Ven, Wynand P. M. M. & van Vliet, ReneC. J. A., 1995. "Consumer information surplus and adverse selection in competitive health insurance markets: An empirical study," Journal of Health Economics, Elsevier, vol. 14(2), pages 149-169, June.
    15. K. P. M. Winssen & R. C. Kleef & W. P. M. M. Ven, 2018. "Can premium differentiation counteract adverse selection in the Dutch supplementary health insurance? A simulation study," The European Journal of Health Economics, Springer;Deutsche Gesellschaft für Gesundheitsökonomie (DGGÖ), vol. 19(5), pages 757-768, June.
    16. Jonathan Gruber, 2002. "Taxes and Health Insurance," NBER Chapters, in: Tax Policy and the Economy, Volume 16, pages 37-66, National Bureau of Economic Research, Inc.
    17. Rosalind Bell-Aldeghi, 2019. "Interactions between Social and Topping Up Insurance under ex-post Moral Hazard," Working Papers 2019-01, CRESE.
    18. Matthew Jowett, 2004. "Theoretical insights into the development of health insurance in low-income countries," Working Papers 188chedp, Centre for Health Economics, University of York.
    19. Zulkefli, Zurina & jones, Glenn, 2012. "Moral Hazard and the Impact of Private Health Insurance on the Utilisation of Health Care in Malaysia," Jurnal Ekonomi Malaysia, Faculty of Economics and Business, Universiti Kebangsaan Malaysia, vol. 46(2), pages 159-175.
    20. Jean Marie Abraham & William B. Vogt & Martin Gaynor, 2002. "Household Demand for Employer-Based Health Insurance," NBER Working Papers 9144, National Bureau of Economic Research, Inc.
    21. Leopold, Christine & Mantel-Teeuwisse, Aukje Katja & Vogler, Sabine & de Joncheere, Kees & Laing, Richard Ogilvie & Leufkens, Hubert G.M., 2013. "Is Europe still heading to a common price level for on-patent medicines? An exploratory study among 15 Western European countries," Health Policy, Elsevier, vol. 112(3), pages 209-216.
    22. Carine Franc & Marc Perronnin & Aurélie Pierre, 2008. "Private Supplementary Health Insurance: Retirees' Demand," The Geneva Papers on Risk and Insurance - Issues and Practice, Palgrave Macmillan;The Geneva Association, vol. 33(4), pages 610-626, October.
    23. Andreas Million & Regina T. Riphahn & Achim Wambach, 2003. "Incentive effects in the demand for health care: a bivariate panel count data estimation," Journal of Applied Econometrics, John Wiley & Sons, Ltd., vol. 18(4), pages 387-405.
    24. 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.

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