Baby busts and baby booms: The fertility response to shocks in dynastic models

Larry E. Jones, Alice Schoonbroodt

Research output: Contribution to journalArticlepeer-review

7 Scopus citations


While there has been a substantial effort to understand the Demographic Transition alongside the transition to sustained economic growth, fertility fluctuations have not been analyzed in the business cycle literature. This paper builds a model of fertility choice with dynastic altruism, age-structured population and aggregate productivity shocks. We show that, under reasonable parameter values, fertility is pro-cyclical and that, following a shock, fertility continues to cycle. Applied to the U.S. experience in the 20th century, the Great Depression generates a baby bust of 58% of that seen in the U.S. in the 1930s, followed by a Baby Boom of 77% of that seen in the U.S. in the 1950s. As observed in U.S. estate data, the model predicts that small cohorts receive relatively large per child transfers from parents. Finally, statistical analysis across countries in the 1930s and 1950s further supports our theory.

Original languageEnglish (US)
Pages (from-to)157-178
Number of pages22
JournalReview of Economic Dynamics
StatePublished - Oct 1 2016

Bibliographical note

Funding Information:
The authors thank the National Science Foundation , Grant SES-0962432 , and the ESRC Centre for Population Change for financial support. We also thank Robert Barro, Thomas Baudin, Michele Boldrin, Rui Castro, V.V. Chari, Simona Cociuba, Martin Gervais, Mikhail Golosov, Jeremy Greenwood, David Hacker, Grant Hillier, John Knowles, Christos Koulovatianos, Ellen McGrattan, Thomas Sargent, Henry Siu, Michèle Tertilt and Guillaume Vandenbroucke for helpful comments.

Publisher Copyright:
© 2016 Elsevier Inc.


  • Dynastic models
  • Fertility cycles
  • Stochastic growth models


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