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Twenty Year Economic Impacts of Deworming

Author

Listed:
  • Joan Hamory
  • Edward Miguel
  • Michael W. Walker
  • Michael Kremer
  • Sarah J. Baird
Abstract
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%.

Suggested Citation

  • Joan Hamory & Edward Miguel & Michael W. Walker & Michael Kremer & Sarah J. Baird, 2020. "Twenty Year Economic Impacts of Deworming," NBER Working Papers 27611, National Bureau of Economic Research, Inc.
    • Handle: RePEc:nbr:nberwo:27611
    Note: CH DEV EH LS
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    References listed on IDEAS

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    1. Anderson, Michael L., 2008. "Multiple Inference and Gender Differences in the Effects of Early Intervention: A Reevaluation of the Abecedarian, Perry Preschool, and Early Training Projects," Journal of the American Statistical Association, American Statistical Association, vol. 103(484), pages 1481-1495.
    2. Bouguen, Adrien & Huang, Yue & Kremer, Michael & Miguel, Edward, 2018. "Using Rcts to Estimate Long-Run Impacts in Development Economics," Department of Economics, Working Paper Series qt4sk6c4f7, Department of Economics, Institute for Business and Economic Research, UC Berkeley.
    3. Douglas Almond & Janet Currie & Valentina Duque, 2018. "Childhood Circumstances and Adult Outcomes: Act II," Journal of Economic Literature, American Economic Association, vol. 56(4), pages 1360-1446, December.
    4. Croke,Kevin & Hicks,Joan Hamory & Hsu,Eric & Kremer,Michael Robert & Miguel,Edward A., 2016. "Does mass deworming affect child nutrition ? meta-analysis, cost-effectiveness, and statistical power," Policy Research Working Paper Series 7921, The World Bank.
    5. Edward Miguel & Michael Kremer, 2004. "Worms: Identifying Impacts on Education and Health in the Presence of Treatment Externalities," Econometrica, Econometric Society, vol. 72(1), pages 159-217, January.
    6. Adrien Bouguen & Yue Huang & Michael Kremer & Edward Miguel, 2019. "Using Randomized Controlled Trials to Estimate Long-Run Impacts in Development Economics," Annual Review of Economics, Annual Reviews, vol. 11(1), pages 523-561, August.
    7. Hoyt Bleakley, 2007. "Disease and Development: Evidence from Hookworm Eradication in the American South," The Quarterly Journal of Economics, President and Fellows of Harvard College, vol. 122(1), pages 73-117.
    8. Udry, Christopher, 1996. "Gender, Agricultural Production, and the Theory of the Household," Journal of Political Economy, University of Chicago Press, vol. 104(5), pages 1010-1046, October.
    9. Owen Ozier, 2018. "Exploiting Externalities to Estimate the Long-Term Effects of Early Childhood Deworming," American Economic Journal: Applied Economics, American Economic Association, vol. 10(3), pages 235-262, July.
    10. Mark M. Pitt & Mark R. Rosenzweig & Mohammad Nazmul Hassan, 2012. "Human Capital Investment and the Gender Division of Labor in a Brawn-Based Economy," American Economic Review, American Economic Association, vol. 102(7), pages 3531-3560, December.
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    Blog mentions

    As found by EconAcademics.org, the blog aggregator for Economics research:
    1. Twenty-year economic impacts of deworming.
      by maximorossi in NEP-LTV blog on 2021-05-19 16:29:08

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    Cited by:

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    3. Anna Josephson, 2021. "Intra-Household Management of Joint Resources: Evidence from Malawi," Papers 2112.12766, arXiv.org, revised Apr 2022.
    4. Bryan, Gharad & Chowdhury, Shyamal & Mobarak, Ahmed Mushfiq & Morten, Melanie & Smits, Joeri, 2023. "Encouragement and distortionary effects of conditional cash transfers," Journal of Public Economics, Elsevier, vol. 228(C).
    5. Gutiérrez-Romero, Roxana, 2024. "The intergenerational impact of electoral violence on height and human capital," Journal of Economic Behavior & Organization, Elsevier, vol. 220(C), pages 608-630.

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    More about this item

    JEL classification:

    • I15 - Health, Education, and Welfare - - Health - - - Health and Economic Development
    • J24 - Labor and Demographic Economics - - Demand and Supply of Labor - - - Human Capital; Skills; Occupational Choice; Labor Productivity
    • O15 - Economic Development, Innovation, Technological Change, and Growth - - Economic Development - - - Economic Development: Human Resources; Human Development; Income Distribution; Migration

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