NATIONAL BUREAU OF ECONOMIC RESEARCH
NATIONAL BUREAU OF ECONOMIC RESEARCH

The Baby Boom and World War II: A Macroeconomic Analysis

Matthias Doepke, Moshe Hazan, Yishay Maoz

NBER Working Paper No. 13707
Issued in December 2007
NBER Program(s):   EFG   CH   LS

We argue that one major cause of the U.S. postwar baby boom was the rise in female labor supply during WorldWar II. We develop a quantitative dynamic general equilibrium model with endogenous fertility and female labor force participation decisions. We use the model to assess the impact of the war on female labor supply and fertility in the decades following the war. For the war generation of women, the high demand for female labor brought about by mobilization leads to an increase in labor supply that persists after the war. As a result, younger women who reach adulthood in the 1950s face increased labor market competition, which impels them to exit the labor market and start having children earlier. The effect is amplified by the rise in taxes necessary to pay down wartime government debt. In our calibrated model, the war generates a substantial baby boom followed by a baby bust.

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This paper was revised on October 24, 2013

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Document Object Identifier (DOI): 10.3386/w13707

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