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The Effect of Health Insurance on Emergency Department Visits: Evidence from an Age-Based Eligibility Threshold

Author

Listed:
  • Michael L. Anderson

    (UC Berkeley and NBER)

  • Carlos Dobkin

    (UC Santa Cruz and NBER)

  • Tal Gross

    (Columbia University and NBER)

Abstract

Health insurance affects the rate at which individuals visit hospitals and emergency departments (EDs). We identify the causal effect of losing health insurance using a regression discontinuity design. We compare individuals just before and after their twenty third birthday, which insurers have used as a cutoff after which students are no longer eligible for their parents' health insurance: 1.5% of young adults lose their health insurance upon turning 23, and this transition leads to a 1.6% decrease in ED visits and a 0.8% decrease in hospital stays. We discuss why these estimates are larger than those observed among teenage populations. © 2014 The President and Fellows of Harvard College and the Massachusetts Institute of Technology.

Suggested Citation

  • Michael L. Anderson & Carlos Dobkin & Tal Gross, 2014. "The Effect of Health Insurance on Emergency Department Visits: Evidence from an Age-Based Eligibility Threshold," The Review of Economics and Statistics, MIT Press, vol. 96(1), pages 189-195, March.
  • Handle: RePEc:tpr:restat:v:96:y:2014:i:1:p:189-195
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    Citations

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    Cited by:

    1. Barbaresco, Silvia & Courtemanche, Charles J. & Qi, Yanling, 2015. "Impacts of the Affordable Care Act dependent coverage provision on health-related outcomes of young adults," Journal of Health Economics, Elsevier, vol. 40(C), pages 54-68.
    2. Dillender, Marcus, 2015. "The effect of health insurance on workers’ compensation filing: Evidence from the affordable care act's age-based threshold for dependent coverage," Journal of Health Economics, Elsevier, vol. 43(C), pages 204-228.
    3. Dolores De la Mata & Carlos Felipe Gaviria, 2015. "Losing Health Insurance When Young: Impacts on Usage of Medical Services and Health," CINCH Working Paper Series 1508, Universitaet Duisburg-Essen, Competent in Competition and Health, revised Aug 2015.
    4. Michela Ponzo & Vincenzo Scoppa, 2016. "Cost-Sharing and Use of Health Services in Italy: Evidence from a Fuzzy Regression Discontinuity Design," CSEF Working Papers 440, Centre for Studies in Economics and Finance (CSEF), University of Naples, Italy.
    5. repec:eee:pubeco:v:157:y:2018:i:c:p:121-137 is not listed on IDEAS
    6. Tianyan Hu & Sandra L. Decker & Shin-Yi Chou, 2014. "The Impact of Health Insurance Expansion on Physician Treatment Choice: Medicare Part D and Physician Prescribing," NBER Working Papers 20708, National Bureau of Economic Research, Inc.
    7. Ausmita Ghosh & Kosali Simon, 2015. "The Effect of Medicaid on Adult Hospitalizations: Evidence from Tennessee’s Medicaid Contraction," NBER Working Papers 21580, National Bureau of Economic Research, Inc.
    8. Akosa Antwi, Yaa & Moriya, Asako S. & Simon, Kosali I., 2015. "Access to health insurance and the use of inpatient medical care: Evidence from the Affordable Care Act young adult mandate," Journal of Health Economics, Elsevier, vol. 39(C), pages 171-187.
    9. repec:eee:jhecon:v:59:y:2018:i:c:p:109-124 is not listed on IDEAS

    More about this item

    Keywords

    health insurance; health care utilization;

    JEL classification:

    • I11 - Health, Education, and Welfare - - Health - - - Analysis of Health Care Markets
    • I18 - Health, Education, and Welfare - - Health - - - Government Policy; Regulation; Public Health
    • G22 - Financial Economics - - Financial Institutions and Services - - - Insurance; Insurance Companies; Actuarial Studies

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