NATIONAL BUREAU OF ECONOMIC RESEARCH
NATIONAL BUREAU OF ECONOMIC RESEARCH

Maternal Health and the Baby Boom

Stefania Albanesi, Claudia Olivetti

NBER Working Paper No. 16146
Issued in July 2010
NBER Program(s):   DAE   EFG

U.S. fertility rose from a low of 2.27 children for women born in 1908 to a peak of 3.21 children for women born in 1932. It dropped to a new low of 1.74 children for women born in 1949, before stabilizing for subsequent cohorts. We propose a novel explanation for this boom-bust pattern, linking it to the huge improvements in maternal health that started in the mid 1930s. Our hypothesis is that the improvements in maternal health contributed to the mid-twentieth century baby boom and generated a rise in women's human capital, ultimately leading to a decline in desired fertility for subsequent cohorts. To examine this link empirically, we exploit the large cross-state variation in the magnitude of the decline in pregnancy-related mortality and the differential exposure by cohort. We find that the decline in maternal mortality is associated with a rise in fertility for women born between 1921 and 1940, with a rise in college and high school graduation rates for women born in 1933-1950, and with a decline in fertility for women born in 1941-1950. These findings are consistent with a theory of fertility featuring a trade-off between the quality and quantity of children. The analysis provides new insights on the determinants of fertility in the U.S. and other countries that experienced similar improvements in maternal health.

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Document Object Identifier (DOI): 10.3386/w16146

Published: “Maternal Health and the Baby Boom,” Quantitative Economics, July 2014, Vol. 5 (2), with Stefania Albanesi.

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