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Uncertain lifetime, fertility and social security


Investigating the effects of population aging on fertility and economic growth, we show that an increase in life expectancy lowers the fertility rate and raises life-cycle savings, and that a pay-as-you-go social security does not reverse the effect on fertility.

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Received: 10 March 2000/Accepted: 28 April 2000

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Yakita, A. Uncertain lifetime, fertility and social security. J Popul Econ 14, 635–640 (2001).

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  • JEL classification: D91, H55, J13
  • Key words: Fertility, uncertain lifetime, social security