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The impact of income on the weight of elderly Americans

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  • John Cawley
  • John Moran
  • Kosali Simon

Abstract

This paper estimates the impact of income on the body weight and clinical weight classification of elderly Americans using a natural experiment that led otherwise identical retirees to receive significantly different Social Security payments based on their year of birth. We estimate models of instrumental variables using data from the National Health Interview Surveys and find no significant effect of income on weight. The confidence intervals rule out even moderate effects of income on weight and on the probability of being underweight or obese, especially for men. For example, they indicate that the income elasticity of body mass index is not greater in absolute value than 0.06 for men or 0.14 for women. Copyright © 2009 John Wiley & Sons, Ltd.

Suggested Citation

  • John Cawley & John Moran & Kosali Simon, 2010. "The impact of income on the weight of elderly Americans," Health Economics, John Wiley & Sons, Ltd., vol. 19(8), pages 979-993, August.
    • Handle: RePEc:wly:hlthec:v:19:y:2010:i:8:p:979-993
    DOI: 10.1002/hec.1541
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    References listed on IDEAS

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    Full references (including those not matched with items on IDEAS)

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    More about this item

    JEL classification:

    • H55 - Public Economics - - National Government Expenditures and Related Policies - - - Social Security and Public Pensions
    • I1 - Health, Education, and Welfare - - Health
    • I12 - Health, Education, and Welfare - - Health - - - Health Behavior
    • I38 - Health, Education, and Welfare - - Welfare, Well-Being, and Poverty - - - Government Programs; Provision and Effects of Welfare Programs
    • J14 - Labor and Demographic Economics - - Demographic Economics - - - Economics of the Elderly; Economics of the Handicapped; Non-Labor Market Discrimination
    • J26 - Labor and Demographic Economics - - Demand and Supply of Labor - - - Retirement; Retirement Policies

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