Life Expectancy and Human Capital Investments: Evidence From Maternal Mortality Declines

Longer life expectancy should encourage human capital accumulation, since a longer time horizon increases the value of investments that pay out over time. Previous work has been unable to determine the empirical importance of this life-expectancy effect due to the difficulty of isolating it from other effects of health on education. We examine a sudden drop in maternal mortality risk in Sri Lanka between 1946 and 1953, which creates a sharp increase in life expectancy for school-age girls without contemporaneous effects on health, and which also allows for the use of boys as a control group. Using additional geographic variation, we find that the 70% reduction in maternal mortality risk over the sample period increased female life expectancy at age 15 by 4.1%, female literacy by 2.5%, and female years of education by 4.0%.

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