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The Impact of Health Insurance on Stockholding: A Regression Discontinuity Approach

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  • Christelis, Dimitris

    (University of Naples Federico II)

  • Georgarakos, Dimitris

    (European Central Bank)

  • Sanz-de-Galdeano, Anna

    (Universidad de Alicante)

Abstract

Using data from the US Health and Retirement Study, we study the causal effect of increased health insurance coverage through Medicare and the associated reduction in health-related background risk on financial risk-taking. Given the onset of Medicare at age 65, we identify our effect of interest using a regression discontinuity approach. We find that getting Medicare coverage induces stockholding for those with at least some college education, but not for their less-educated counterparts. Hence, our results indicate that a reduction in background risk induces financial risk-taking in individuals for whom informational and pecuniary stock market participation costs are relatively low.

Suggested Citation

  • Christelis, Dimitris & Georgarakos, Dimitris & Sanz-de-Galdeano, Anna, 2014. "The Impact of Health Insurance on Stockholding: A Regression Discontinuity Approach," IZA Discussion Papers 8635, Institute of Labor Economics (IZA).
  • Handle: RePEc:iza:izadps:dp8635
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    References listed on IDEAS

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    Cited by:

    1. Angrisani, Marco & Atella, Vincenzo & Brunetti, Marianna, 2018. "Public health insurance and household portfolio Choices: Unravelling financial “Side Effects” of Medicare," Journal of Banking & Finance, Elsevier, vol. 93(C), pages 198-212.
    2. Christelis, Dimitris & Georgarakos, Dimitris & Sanz-de-Galdeano, Anna, 2020. "The impact of health insurance on stockholding: A regression discontinuity approach," Journal of Health Economics, Elsevier, vol. 69(C).
    3. Panchalingam, Thadchaigeni, 2020. "Effects of Public Health Insurance Expansions on Consumption Expenditures of Targeted Households," 2020 Annual Meeting, July 26-28, Kansas City, Missouri 304513, Agricultural and Applied Economics Association.
    4. Zhongda Li & Lu Liu & Jiayu Shi & Yubing Sui, 2021. "Health insurance, risk attitudes, and household financial behavior," Health Economics, John Wiley & Sons, Ltd., vol. 30(5), pages 1239-1246, May.
    5. Padmaja Ayyagari & Daifeng He, 2017. "The Role of Medical Expenditure Risk in Portfolio Allocation Decisions," Health Economics, John Wiley & Sons, Ltd., vol. 26(11), pages 1447-1458, November.
    6. Zhang, Weike & Meng, Jia & Tian, Xiaoli, 2020. "Does de-capacity policy enhance the total factor productivity of China's coal companies? A Regression Discontinuity design," Resources Policy, Elsevier, vol. 68(C).
    7. Mariela Dal Borgo, 2021. "Do Bankruptcy Protection Levels Affect Households' Demand for Stocks?," Working Papers 2021-03, Banco de México.

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    More about this item

    Keywords

    health insurance; Medicare; stockholding; regression discontinuity; household finance;
    All these keywords.

    JEL classification:

    • D14 - Microeconomics - - Household Behavior - - - Household Saving; Personal Finance
    • I13 - Health, Education, and Welfare - - Health - - - Health Insurance, Public and Private
    • G11 - Financial Economics - - General Financial Markets - - - Portfolio Choice; Investment Decisions

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