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The effect of self-employment on health: Instrumental variables analysis of longitudinal social security data

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  • Gonçalves, Judite
  • Martins, Pedro S.

Abstract

The growth of novel flexible work formats raises a number of questions about their effects upon health and the potential public policy implications. However, answering these questions is hampered by data and identification constraints. This is the first paper that draws on comprehensive longitudinal administrative data to examine the impact of self-employment in terms of health. In addition to variation in work status of each individual over time, we also consider variation driven by a number of novel instrumental variables. We also focus on an objective health outcome |hospital admissions| that is not subject to recall or other biases that may affect previous studies. Our findings, based on a representative sample of over 100,000 individuals followed monthly from 2005 to 2011 in Portugal, indicate that self-employment tends to reduce the likelihood of hospital admission by at least half.

Suggested Citation

  • Gonçalves, Judite & Martins, Pedro S., 2018. "The effect of self-employment on health: Instrumental variables analysis of longitudinal social security data," GLO Discussion Paper Series 245, Global Labor Organization (GLO).
    • Handle: RePEc:zbw:glodps:245
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    Cited by:

    1. Pedro S. Martins, 2021. "30,000 Minimum Wages: The Economic Effects of Collective Bargaining Extensions," British Journal of Industrial Relations, London School of Economics, vol. 59(2), pages 335-369, June.

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    More about this item

    Keywords

    Self-employment; hospitalization; sick leave; mortality; instrumental variables;
    All these keywords.

    JEL classification:

    • C26 - Mathematical and Quantitative Methods - - Single Equation Models; Single Variables - - - Instrumental Variables (IV) Estimation
    • I18 - Health, Education, and Welfare - - Health - - - Government Policy; Regulation; Public Health
    • J24 - Labor and Demographic Economics - - Demand and Supply of Labor - - - Human Capital; Skills; Occupational Choice; Labor Productivity
    • J31 - Labor and Demographic Economics - - Wages, Compensation, and Labor Costs - - - Wage Level and Structure; Wage Differentials

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