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Minimum Coverage Regulation in Insurance Markets

Author

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  • Daniel McFadden
  • Carlos Noton
  • Pau Olivella

    ()

Abstract

We study the consequences of imposing a minimum coverage in an insurance market where enrollment is mandatory and agents have private information on their true risk type. If the regulation is not too stringent, the equilibrium is separating in which a single firm monopolizes the high risks while the rest attract the low risks, all at positive profits. Hence individuals, regardless of their type, "subsidize" insurers. If the legislation is sufficiently stringent the equilibrium is pooling, all firms just break even and low risks subsidize high risks. None of these results require resorting to non-Nash equilibrium notions.

Suggested Citation

  • Daniel McFadden & Carlos Noton & Pau Olivella, 2013. "Minimum Coverage Regulation in Insurance Markets," Documentos de Trabajo 301, Centro de Economía Aplicada, Universidad de Chile.
  • Handle: RePEc:edj:ceauch:301
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    File URL: http://www.dii.uchile.cl/~cea/sitedev/cea/www/download.php?file=documentos_trabajo/ASOCFILE120130731102343.pdf
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    References listed on IDEAS

    as
    1. Francesco Decarolis, 2015. "Medicare Part D: Are Insurers Gaming the Low Income Subsidy Design?," American Economic Review, American Economic Association, vol. 105(4), pages 1547-1580, April.
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    5. Vikram Tiwari & H. Heese, 2009. "Specialization and competition in healthcare delivery networks," Health Care Management Science, Springer, vol. 12(3), pages 306-324, September.
    6. Jack, William, 2006. "Optimal risk adjustment with adverse selection and spatial competition," Journal of Health Economics, Elsevier, vol. 25(5), pages 908-926, September.
    7. Bertrand Villeneuve, 2003. "Concurrence et antisélection multidimensionnelle en assurance," Annals of Economics and Statistics, GENES, issue 69, pages 119-142.
    8. Mark Pauly, 2012. "Wussinomics: the state of competitive efficiency in private health insurance," International Journal of Health Economics and Management, Springer, vol. 12(3), pages 235-245, September.
    9. Daniel McFadden & Carlos Noton & Pau Olivella, "undated". "Remedies for Sick Insurance," Working Papers 620, Barcelona Graduate School of Economics.
    10. Neudeck, Werner & Podczeck, Konrad, 1996. "Adverse selection and regulation in health insurance markets," Journal of Health Economics, Elsevier, vol. 15(4), pages 387-408, August.
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    14. Finkelstein, Amy, 2004. "Minimum standards, insurance regulation and adverse selection: evidence from the Medigap market," Journal of Public Economics, Elsevier, vol. 88(12), pages 2515-2547, December.
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    Cited by:

    1. Daniel McFadden & Carlos Noton & Pau Olivella, "undated". "Remedies for Sick Insurance," Working Papers 620, Barcelona Graduate School of Economics.

    More about this item

    JEL classification:

    • I13 - Health, Education, and Welfare - - Health - - - Health Insurance, Public and Private
    • D82 - Microeconomics - - Information, Knowledge, and Uncertainty - - - Asymmetric and Private Information; Mechanism Design

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