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Parental Medicaid Expansions and Health Insurance Coverage

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  • Anna Aizer
  • Jeffrey Grogger

Abstract

During the 1990s many states extended Medicaid eligibility to low-income parents who were not receiving welfare. We evaluate the effects of those expansions on health insurance coverage. To account for unobservable differences between expansion states and non-expansion states that may be correlated with both policy decisions and insurance coverage, we employ a within-state difference-in-difference technique that makes use of data only from expansion states. We find that the parental eligibility expansions increased Medicaid coverage of mothers with only small effects on private coverage. The expansions also increased the coverage of children, presumably by raising the benefit to the family of applying for coverage. We find substantial racial and ethnic differences in the effects of the expansions. As a result, the expansions help reduce racial and ethnic gaps in insurance coverage, particularly for adults.

Suggested Citation

  • Anna Aizer & Jeffrey Grogger, 2003. "Parental Medicaid Expansions and Health Insurance Coverage," NBER Working Papers 9907, National Bureau of Economic Research, Inc.
    • Handle: RePEc:nbr:nberwo:9907
    Note: EH CH
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    References listed on IDEAS

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    1. David Card & Lara Dawn Shore-Sheppard, 2001. "Using Discontinuous Eligibility Rules to Identify the Effects of the Federal Medicaid Expansions," JCPR Working Papers 248, Northwestern University/University of Chicago Joint Center for Poverty Research.
    2. David M. Cutler & Jonathan Gruber, 1996. "Does Public Insurance Crowd out Private Insurance?," The Quarterly Journal of Economics, President and Fellows of Harvard College, vol. 111(2), pages 391-430.
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    More about this item

    JEL classification:

    • I1 - Health, Education, and Welfare - - Health
    • I3 - Health, Education, and Welfare - - Welfare, Well-Being, and Poverty

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