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

2016; Oxford University Press; Volume: 131; Issue: 4 Linguagem: Inglês

10.1093/qje/qjw022

1531-4650

Sarah Baird, Joan Hicks, Michael Kremer, Edward Miguel,

Food Security and Health in Diverse Populations

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 nonagricultural 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 nonagricultural 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.