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Health Insurance Reform and HMO Penetration in the Small Group Market

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  • Thomas C. Buchmueller

Abstract

We use data from several national employer surveys conducted between the late 1980s and the mid-1990s to investigate the effect of state-level underwriting reforms on HMO penetration in the small-group health insurance market. We identify reform effects by exploiting cross-state variation in the timing and content of reform legislation and by using mid-sized and large employers, which were not affected by the legislation, as within-state control groups. While it is difficult to disentangle the effect of state reforms from other factors affecting HMO penetration in the small group markets, the results suggest a positive relationship between insurance market regulations and HMO penetration.

Suggested Citation

  • Thomas C. Buchmueller, 2005. "Health Insurance Reform and HMO Penetration in the Small Group Market," NBER Working Papers 11446, National Bureau of Economic Research, Inc.
    • Handle: RePEc:nbr:nberwo:11446
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    References listed on IDEAS

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    1. Rhema Vaithianathan, 2004. "A Critique of the Private Health Insurance Regulations," Australian Economic Review, The University of Melbourne, Melbourne Institute of Applied Economic and Social Research, vol. 37(3), pages 257-270, September.
    2. Ai, Chunrong & Norton, Edward C., 2003. "Interaction terms in logit and probit models," Economics Letters, Elsevier, vol. 80(1), pages 123-129, July.
    3. David M. Cutler & Sarah J. Reber, 1998. "Paying for Health Insurance: The Trade-Off between Competition and Adverse Selection," The Quarterly Journal of Economics, President and Fellows of Harvard College, vol. 113(2), pages 433-466.
    4. Dranove, David & J. Simon, Carol & White, William D., 1998. "Determinants of managed care penetration," Journal of Health Economics, Elsevier, vol. 17(6), pages 729-745, December.
    5. Michael Rothschild & Joseph Stiglitz, 1976. "Equilibrium in Competitive Insurance Markets: An Essay on the Economics of Imperfect Information," The Quarterly Journal of Economics, President and Fellows of Harvard College, vol. 90(4), pages 629-649.
    6. Monheit, Alan C. & Steinberg Schone, Barbara, 2004. "How has small group market reform affected employee health insurance coverage?," Journal of Public Economics, Elsevier, vol. 88(1-2), pages 237-254, January.
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    Cited by:

    1. Thomas Buchmueller, 2008. "Community Rating, Entry-Age Rating and Adverse Selection in Private Health Insurance in Australia*," The Geneva Papers on Risk and Insurance - Issues and Practice, Palgrave Macmillan;The Geneva Association, vol. 33(4), pages 588-609, October.
    2. David Bardey & Giancarlo Buitrago, 2015. "Integración vertical en el sector de la salud colombiano," Documentos CEDE 14069, Universidad de los Andes, Facultad de Economía, CEDE.
    3. Jeffrey Clemens, 2015. "Regulatory Redistribution in the Market for Health Insurance," American Economic Journal: Applied Economics, American Economic Association, vol. 7(2), pages 109-134, April.
    4. Pierre Azoulay & Ariel Fishman, 2020. "The Rise of For-Profit Experimental Medicine," NBER Working Papers 26892, National Bureau of Economic Research, Inc.
    5. David Bardey & Jean‐Charles Rochet, 2010. "Competition Among Health Plans: A Two‐Sided Market Approach," Journal of Economics & Management Strategy, Wiley Blackwell, vol. 19(2), pages 435-451, June.
    6. Lo Sasso, Anthony T. & Lurie, Ithai Z., 2009. "Community rating and the market for private non-group health insurance," Journal of Public Economics, Elsevier, vol. 93(1-2), pages 264-279, February.

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    More about this item

    JEL classification:

    • I10 - Health, Education, and Welfare - - Health - - - General
    • E - Macroeconomics and Monetary Economics

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