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Has the Shift to Managed Care Reduced Medicaid Expenditures? Evidence from State and Local-Level Mandates

Author

Listed:
  • Mark Duggan
  • Tamara Hayford

Abstract

From 1991 to 2003, the fraction of Medicaid recipients enrolled in HMOs and other forms of Medicaid managed care (MMC) increased from 11 percent to 58 percent. This increase was largely driven by state and local mandates that required most Medicaid recipients to enroll in an MMC plan. Theoretically, it is ambiguous whether the shift from fee-for-service into managed care would lead to an increase or a reduction in Medicaid spending. This paper investigates this effect using a data set on state and local level MMC mandates and detailed data from CMS on state Medicaid expenditures. The findings suggest that shifting Medicaid recipients from fee-for-service into MMC did not reduce Medicaid spending in the typical state. However, the effects of the shift varied significantly across states as a function of the generosity of the state's baseline Medicaid provider reimbursement rates. These results are consistent with recent research on managed care among the privately insured, which finds that HMOs and other forms of managed care achieve their savings largely through reduced prices rather than lower quantities.

Suggested Citation

  • Mark Duggan & Tamara Hayford, 2011. "Has the Shift to Managed Care Reduced Medicaid Expenditures? Evidence from State and Local-Level Mandates," NBER Working Papers 17236, National Bureau of Economic Research, Inc.
  • Handle: RePEc:nbr:nberwo:17236
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    Cited by:

    1. Lindsey Woodworth, 2016. "A Leak in the Lifeboat: The effect of Medicaid managed care on the vitality of safety-net hospitals," Journal of Regulatory Economics, Springer, vol. 50(3), pages 251-270, December.
    2. Koch, Thomas G., 2013. "Using RD design to understand heterogeneity in health insurance crowd-out," Journal of Health Economics, Elsevier, vol. 32(3), pages 599-611.
    3. James Marton & Aaron Yelowitz, 2015. "Health insurance generosity and conditional coverage: Evidence from medicaid managed care in Kentucky," Southern Economic Journal, Southern Economic Association, vol. 82(2), pages 535-555, October.
    4. repec:aea:jecper:v:31:y:2017:i:4:p:3-22 is not listed on IDEAS
    5. David Dranove & Christopher Ody & Amanda Starc, 2017. "A Dose of Managed Care: Controlling Drug Spending in Medicaid," NBER Working Papers 23956, National Bureau of Economic Research, Inc.
    6. Marton, James & Yelowitz, Aaron & Talbert, Jeffery C., 2014. "A tale of two cities? The heterogeneous impact of medicaid managed care," Journal of Health Economics, Elsevier, vol. 36(C), pages 47-68.
    7. Thomas Buchmueller & John C. Ham & Lara D. Shore-Sheppard, 2015. "The Medicaid Program," NBER Chapters,in: Economics of Means-Tested Transfer Programs in the United States, volume 1, pages 21-136 National Bureau of Economic Research, Inc.
    8. Alexander, Diane, 2015. "Does Physician Pay Affect Procedure Choice and Patient Health? Evidence from Medicaid C-section Use," Working Paper Series WP-2017-7, Federal Reserve Bank of Chicago.
    9. Thomas Buchmueller & Sarah Miller & Marko Vujicic, 2016. "How Do Providers Respond to Changes in Public Health Insurance Coverage? Evidence from Adult Medicaid Dental Benefits," American Economic Journal: Economic Policy, American Economic Association, vol. 8(4), pages 70-102, November.

    More about this item

    JEL classification:

    • H51 - Public Economics - - National Government Expenditures and Related Policies - - - Government Expenditures and Health
    • H72 - Public Economics - - State and Local Government; Intergovernmental Relations - - - State and Local Budget and Expenditures
    • I11 - Health, Education, and Welfare - - Health - - - Analysis of Health Care Markets
    • I18 - Health, Education, and Welfare - - Health - - - Government Policy; Regulation; Public Health
    • L33 - Industrial Organization - - Nonprofit Organizations and Public Enterprise - - - Comparison of Public and Private Enterprise and Nonprofit Institutions; Privatization; Contracting Out

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