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The Changing Relationship between Bodyweight and Longevity in High- and Low-Income Countries

Author

Listed:
  • Joanna Aleksandra Kopinska
  • Vincenzo Atella
  • Jay Bhattacharya
  • Grant Miller

Abstract

Standard measures of bodyweight (overweight and obese, for example) fail to reflect technological progress over time - and in particular, recent progress disproportionately promoting longevity at higher bodyweights (and differences in access to it). This paper builds on the pioneering work of Hans Waaler (Waaler, 1984) and Robert Fogel (Fogel, 1994) to empirically estimate how technological progress, and differential access to it, have fundamentally transformed the relationship between body mass index (BMI) and longevity in high-, middle-, and low-income countries. Importantly, we show that the combined effect of technological progress and access to it across countries is so profound that the share of national populations above mortality-minimizing bodyweight is not clearly greater in countries with higher overweight and obesity rates (as traditionally defined) - and in fact, relative to current standards, a larger share of low-income countries’ populations can be unhealthily heavy.

Suggested Citation

  • Joanna Aleksandra Kopinska & Vincenzo Atella & Jay Bhattacharya & Grant Miller, 2021. "The Changing Relationship between Bodyweight and Longevity in High- and Low-Income Countries," NBER Working Papers 28813, National Bureau of Economic Research, Inc.
    • Handle: RePEc:nbr:nberwo:28813
    Note: DEV EH
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    More about this item

    JEL classification:

    • I1 - Health, Education, and Welfare - - Health
    • I14 - Health, Education, and Welfare - - Health - - - Health and Inequality
    • I15 - Health, Education, and Welfare - - Health - - - Health and Economic Development
    • O33 - Economic Development, Innovation, Technological Change, and Growth - - Innovation; Research and Development; Technological Change; Intellectual Property Rights - - - Technological Change: Choices and Consequences; Diffusion Processes

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