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Why Did the SSI-Disabled Program Grow So Much? Disentangling the Effect of Medicaid

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  • Aaron Yelowitz

    (UCLA)

Abstract

The number of participants in the SSI program grew by 1.1 million from 1987 to 1993. This paper examines the role of Medicaid on the SSI participation decision. I use the rapid growth in average Medicaid expenditure as a proxy for its value. OLS estimates of Medicaid's effect may be biased because of omitted variables bias and measurement error. I therefore apply two-stage least squares to estimate Medicaid's effect, using average Medicaid expenditure for blind SSI recipients as an instrument. These estimates show that rising Medicaid expenditure significantly increased SSI participation among adults with low permanent incomes, explaining 20 percent of the growth.
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Suggested Citation

  • Aaron Yelowitz, 1996. "Why Did the SSI-Disabled Program Grow So Much? Disentangling the Effect of Medicaid," UCLA Economics Working Papers 748, UCLA Department of Economics.
  • Handle: RePEc:cla:uclawp:748
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    File URL: http://www.econ.ucla.edu/workingpapers/wp748.pdf
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    References listed on IDEAS

    as
    1. Yelowitz, Aaron S, 2000. "Using the Medicare Buy-In Program to Estimate the Effect of Medicaid on SSI Participation," Economic Inquiry, Western Economic Association International, vol. 38(3), pages 419-441, July.
    2. Barbara L. Wolfe & Steven C. Hill, 1995. "The Effect of Health on the Work Effort of Single Mothers," Journal of Human Resources, University of Wisconsin Press, vol. 30(1), pages 42-62.
    3. Moffitt, Robert & Ribar, David & Wilhelm, Mark, 1998. "The decline of welfare benefits in the U.S.: the role of wage inequality," Journal of Public Economics, Elsevier, vol. 68(3), pages 421-452, June.
    4. Lundberg, Shelly & Plotnick, Robert D, 1995. "Adolescent Premarital Childbearing: Do Economic Incentives Matter?," Journal of Labor Economics, University of Chicago Press, vol. 13(2), pages 177-200, April.
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    6. Currie, Janet & Gruber, Jonathan & Fischer, Michael, 1995. "Physician Payments and Infant Mortality: Evidence from Medicaid Fee Policy," American Economic Review, American Economic Association, vol. 85(2), pages 106-111, May.
    7. Janet Currie & Jonathan Gruber, 1994. "Saving Babies: The Efficacy and Cost of Recent Expansions of Medicaid Eligibility for Pregnant Women," NBER Working Papers 4644, National Bureau of Economic Research, Inc.
    8. Joshua D. Angrist & Alan B. Keueger, 1991. "Does Compulsory School Attendance Affect Schooling and Earnings?," The Quarterly Journal of Economics, Oxford University Press, vol. 106(4), pages 979-1014.
    9. Moffitt, Robert & Wolfe, Barbara L, 1992. "The Effect of the Medicaid Program on Welfare Participation and Labor Supply," The Review of Economics and Statistics, MIT Press, vol. 74(4), pages 615-626, November.
    10. Rebecca M. Blank, 1989. "The Effect of Medical Need and Medicaid on AFDC Participation," Journal of Human Resources, University of Wisconsin Press, vol. 24(1), pages 54-87.
    11. Moffitt, Robert, 1983. "An Economic Model of Welfare Stigma," American Economic Review, American Economic Association, vol. 73(5), pages 1023-1035, December.
    12. Anne E. Winkler, 1991. "The Incentive Effects of Medicaid on Women's Labor Supply," Journal of Human Resources, University of Wisconsin Press, vol. 26(2), pages 308-337.
    13. Joshua D. Angrist, 1991. "Instrumental Variables Estimation of Average Treatment Effects in Econometrics and Epidemiology," NBER Technical Working Papers 0115, National Bureau of Economic Research, Inc.
    14. Aaron S. Yelowitz, 1995. "The Medicaid Notch, Labor Supply, and Welfare Participation: Evidence from Eligibility Expansions," The Quarterly Journal of Economics, Oxford University Press, vol. 110(4), pages 909-939.
    15. Jeff Grogger & Stephen G. Bronars, 2001. "The Effect of Welfare Payments on the Marriage and Fertility Behavior of Unwed Mothers: Results from a Twins Experiment," Journal of Political Economy, University of Chicago Press, vol. 109(3), pages 529-545, June.
    16. R. A. Moffitt, "undated". "The effect of work and training programs on entry and exit from the welfare caseload," Institute for Research on Poverty Discussion Papers 1025-93, University of Wisconsin Institute for Research on Poverty.
    17. Brigitte C. Madrian, 1994. "Employment-Based Health Insurance and Job Mobility: Is there Evidence of Job-Lock?," The Quarterly Journal of Economics, Oxford University Press, vol. 109(1), pages 27-54.
    18. B. Wolfe & S. C. Hill, "undated". "The effect of health on the work effort of low-income single mothers," Institute for Research on Poverty Discussion Papers 979-92, University of Wisconsin Institute for Research on Poverty.
    19. Moulton, Brent R., 1986. "Random group effects and the precision of regression estimates," Journal of Econometrics, Elsevier, vol. 32(3), pages 385-397, August.
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    Citations

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    Cited by:

    1. Jonathan Gruber, 2003. "Medicaid," NBER Chapters,in: Means-Tested Transfer Programs in the United States, pages 15-78 National Bureau of Economic Research, Inc.
    2. Todd Elder & Elizabeth Powers, 2006. "Public Health Insurance and SSI Program Participation Among the Aged," Working Papers wp117, University of Michigan, Michigan Retirement Research Center.
    3. Jonathan Gruber & Brigitte C. Madrian, 2002. "Health Insurance, Labor Supply, and Job Mobility: A Critical Review of the Literature," JCPR Working Papers 255, Northwestern University/University of Chicago Joint Center for Poverty Research.
    4. repec:eee:pubeco:v:149:y:2017:i:c:p:20-34 is not listed on IDEAS
    5. Gina Livermore & David Stapleton & Henry Claypool, "undated". "Costs and Benefits of Eliminating the Medicare Waiting Period for SSDI Beneficiaries," Mathematica Policy Research Reports 3a68e4d07af1446f9f08dd214, Mathematica Policy Research.
    6. Lahiri, Kajal & Song, Jae & Wixon, Bernard, 2008. "A model of Social Security Disability Insurance using matched SIPP/Administrative data," Journal of Econometrics, Elsevier, vol. 145(1-2), pages 4-20, July.
    7. Jonathan Gruber, 1998. "Health Insurance and the Labor Market," NBER Working Papers 6762, National Bureau of Economic Research, Inc.
    8. Akinori Tomohara & Ho Lee, 2007. "Did State Children’s Health Insurance Program Affect Married Women’s Labor Supply?," Journal of Family and Economic Issues, Springer, vol. 28(4), pages 668-683, December.
    9. Brigitte C. Madrian, 2005. "The U.S. health care system and labor markets," Conference Series ; [Proceedings], Federal Reserve Bank of Boston, vol. 50(Jun), pages 137-163.
    10. Elizabeth Powers & David Neumark, 2001. "The Supplemental Security Income Program and Incentives to Take Up Social Security Early Retirement: Empirical Evidence from Matched SIPP and Social.," NBER Working Papers 8670, National Bureau of Economic Research, Inc.
    11. Timothy Callaghan & Lawrence R. Jacobs, 2014. "Process Learning and the Implementation of Medicaid Reform," Publius: The Journal of Federalism, Oxford University Press, vol. 44(4), pages 541-563.
    12. 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.
    13. repec:mpr:mprres:6218 is not listed on IDEAS
    14. Jonathan Gruber, 1997. "Health Insurance for Poor Women and Children in the U.S.: Lessons from the Past Decade," NBER Chapters,in: Tax Policy and the Economy, Volume 11, pages 169-211 National Bureau of Economic Research, Inc.
    15. repec:eee:labchp:v:3:y:1999:i:pc:p:3417-3528 is not listed on IDEAS
    16. repec:mrr:papers:wp341 is not listed on IDEAS
    17. Craig, Steven G. & Howard, Larry L., 2014. "Is Medicaid crowding out other state government expenditure? Internal financing and cross-program substitution," Regional Science and Urban Economics, Elsevier, vol. 49(C), pages 164-178.
    18. Larry Howard, 2014. "Do the Medicaid and Medicare programs compete for access to health care services? A longitudinal analysis of physician fees, 1998–2004," International Journal of Health Economics and Management, Springer, vol. 14(3), pages 229-250, September.
    19. Meyer, Bruce D. & Sullivan, James X., 2004. "The effects of welfare and tax reform: the material well-being of single mothers in the 1980s and 1990s," Journal of Public Economics, Elsevier, vol. 88(7-8), pages 1387-1420, July.
    20. Yelowitz, Aaron S, 2000. "Using the Medicare Buy-In Program to Estimate the Effect of Medicaid on SSI Participation," Economic Inquiry, Western Economic Association International, vol. 38(3), pages 419-441, July.
    21. Elizabeth T. Powers & David Neumark, 2003. "The Supplemental Security Income Program and Incentives to Claim Social Security Retirement Early: Empirical Evidence from Matched SIPP and Social Security Administrative Files," Working Papers wp036, University of Michigan, Michigan Retirement Research Center.

    More about this item

    JEL classification:

    • H51 - Public Economics - - National Government Expenditures and Related Policies - - - Government Expenditures and Health
    • I18 - Health, Education, and Welfare - - Health - - - Government Policy; Regulation; Public Health

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