Worms at Work: Long-Run Impacts of a Child Health Investment

52 Pages Posted: 3 Aug 2015

See all articles by Sarah Baird

Sarah Baird

George Washington University - School of Public Health and Health Services (SPHHS)

Joan Hicks

University of California, Berkeley - Center for Effective Global Action (CEGA)

Michael Kremer

Harvard University - Department of Economics; Brookings Institution; National Bureau of Economic Research (NBER); Center for Global Development; Harvard University - Harvard Kennedy School (HKS)

Edward Miguel

University of California, Berkeley - Department of Economics; National Bureau of Economic Research (NBER)

Date Written: July 2015

Abstract

This study estimates long-run impacts of a child health investment, exploiting community-wide experimental variation in school-based deworming. The program increased labor supply among men and education among women, with accompanying shifts in labor market specialization. Ten years after deworming treatment, men who were eligible as boys stay enrolled for more years of primary school, work 17% more hours each week, spend more time in non-agricultural self-employment, are more likely to hold manufacturing jobs, and miss one fewer meal per week. Women who were in treatment schools as girls are approximately one quarter more likely to have attended secondary school, halving the gender gap. They reallocate time from traditional agriculture into cash crops and non-agricultural self-employment. We estimate a conservative annualized financial internal rate of return to deworming of 32%, and show that mass deworming may generate more in future government revenue than it costs in subsidies.

Suggested Citation

Baird, Sarah and Hicks, Joan and Kremer, Michael R. and Miguel, Edward, Worms at Work: Long-Run Impacts of a Child Health Investment (July 2015). NBER Working Paper No. w21428. Available at SSRN: https://ssrn.com/abstract=2638979

Sarah Baird (Contact Author)

George Washington University - School of Public Health and Health Services (SPHHS) ( email )

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Joan Hicks

University of California, Berkeley - Center for Effective Global Action (CEGA) ( email )

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Michael R. Kremer

Harvard University - Department of Economics ( email )

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Brookings Institution

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National Bureau of Economic Research (NBER) ( email )

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Center for Global Development

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Harvard University - Harvard Kennedy School (HKS) ( email )

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Edward Miguel

University of California, Berkeley - Department of Economics ( email )

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National Bureau of Economic Research (NBER)

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