Economic uncertainty and fertility cycles: baby boom and busts in twentieth century USA

Abstract Using variation across US counties and states in the volatility of income growth over the course of the twentieth century, we identify a negative effect of economic uncertainty on fertility. Our findings contribute to the unraveling of the determinants of the post-WWII baby boom: the decline in economic uncertainty endured by women born in 1910 compared to that of those born in 1933 can account for an increase in fertility by 0.4 to 0.6 child, which is about 45% to 67.5% of the change across these cohorts.

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Publication Details

Journal
Journal of Economic Growth
Published
2026-10-15
DOI
https://doi.org/10.1007/s10887-026-09273-x
Primary Topic
Family Dynamics and Relationships
Type
article
Field-Weighted Citation Impact
0.00

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article

Economic uncertainty and fertility cycles: baby boom and busts in twentieth century USA

Bastien Chabé-Ferret, Paula E. Gobbi
Journal of Economic Growth
Family Dynamics and Relationships
article

Economic uncertainty and fertility cycles: baby boom and busts in twentieth century USA

Bastien Chabé-Ferret, Paula E. Gobbi
article en

Abstract

Abstract Using variation across US counties and states in the volatility of income growth over the course of the twentieth century, we identify a negative effect of economic uncertainty on fertility. Our findings contribute to the unraveling of the determinants of the post-WWII baby boom: the decline in economic uncertainty endured by women born in 1910 compared to that of those born in 1933 can account for an increase in fertility by 0.4 to 0.6 child, which is about 45% to 67.5% of the change across these cohorts.

Journal of Economic Growth
Université Libre de Bruxelles (BE), Luxembourg Institute of Socio-Economic Research (LU), Middlesex University London (GB)
Université Catholique de Louvain, Université du Luxembourg, University of Hawai'i, Iowa State University, University of Essex, Economic History Society, University of Bath, University of Sussex, Fonds De La Recherche Scientifique - FNRS, Sorbonne Université, Economic and Social Research Council, European Research Council
Decent work and economic growth
Openalex Percentile: Top 5%
Family Dynamics and Relationships
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