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Twenty Year Economic Impacts of Deworming

Joan Hamory, Edward Miguel, Michael W. Walker, Michael Kremer, Sarah J. Baird

NBER Working Paper No. 27611
Issued in July 2020
NBER Program(s):Children, Development Economics, Health Economics, Labor Studies

This study exploits a randomized school health intervention that provided deworming treatment to Kenyan children and utilizes longitudinal data to estimate impacts on economic outcomes up to 20 years later. The effective respondent tracking rate was 84%. Individuals who received 2 to 3 additional years of childhood deworming experience an increase of 14% in consumption expenditure, 13% in hourly earnings, 9% in non-agricultural work hours, and are 9% more likely to live in urban areas. Most effects are concentrated among males and older individuals. Given deworming's low cost, a conservative annualized social internal rate of return estimate is 37%.

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Document Object Identifier (DOI): 10.3386/w27611

 
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