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American Economic Journal: Applied Economics: Vol. 1 No. 4 (October 2009)

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Iodine Deficiency and Schooling Attainment in Tanzania

Article Citation

Field, Erica, Omar Robles, and Maximo Torero. 2009. "Iodine Deficiency and Schooling Attainment in Tanzania." American Economic Journal: Applied Economics, 1(4): 140-69.

DOI: 10.1257/app.1.4.140

Abstract

Cognitive damage from iodine deficiency disorders (IDD) has important implications for economic growth through its effect on human capital. To gauge the magnitude of this influence, we evaluate the impact on schooling of reductions in IDD from intensive iodine supplementation in Tanzania. Our findings suggest a large effect of in utero iodine on cognition and human capital: treated children attain an estimated 0.35-0.56 years of additional schooling relative to siblings and older and younger peers. Furthermore, the effect appears to be substantially larger for girls, consistent with laboratory evidence indicating greater cognitive sensitivity of female fetuses to maternal thyroid deprivation. (JEL I12, I21, J16, O15)

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Authors

Field, Erica (Harvard U)
Robles, Omar (Harvard U)
Torero, Maximo (IFPRI)

JEL Classifications

I12: Health Production
I21: Analysis of Education
J16: Economics of Gender; Non-labor Discrimination
O15: Economic Development: Human Resources; Human Development; Income Distribution; Migration

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