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Maximum size of social security in a model of endogenous fertility

  • Takashi Oshio


    (Hitotsubashi University)

  • Masaya Yasuoka


    (The University of Kitakyushu)

Social security tends to be unsustainable in nature. It reduces individuals'' demand for children as a measure to support their lifestyle during old age, which in turn undermines the financial basis of social security. Using a simple overlapping generations model with endogenous fertility and income transfer from children to parents, we discuss the maximum size of a pay-as-you-go social security program that can prevent a cumulative reduction of fertility and make a program sustainable. We also show that a child-care allowance raises the maximum size of the program and raises an individual''s lifetime utility.

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Article provided by AccessEcon in its journal Economics Bulletin.

Volume (Year): 29 (2009)
Issue (Month): 2 ()
Pages: 644-654

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Handle: RePEc:ebl:ecbull:eb-09-00228
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  1. Robert Fenge & Volker Meier, 2005. "Pensions and fertility incentives," Canadian Journal of Economics, Canadian Economics Association, vol. 38(1), pages 28-48, February.
  2. Berthold U. Wigger, 1999. "Pay-as-you-go financed public pensions in a model of endogenous growth and fertility," Journal of Population Economics, Springer, vol. 12(4), pages 625-640.
  3. Junsen Zhang & Junxi Zhang, 1998. "Social Security, Intergenerational Transfers, and Endogenous Growth," Canadian Journal of Economics, Canadian Economics Association, vol. 31(5), pages 1225-1241, November.
  4. Makoto Hirazawa & Akira Yakita, 2009. "Fertility, child care outside the home, and pay-as-you-go social security," Journal of Population Economics, Springer, vol. 22(3), pages 565-583, July.
  5. Sinn, Hans-Werner, 2004. "The pay-as-you-go pension system as fertility insurance and an enforcement device," Munich Reprints in Economics 938, University of Munich, Department of Economics.
  6. van Groezen, Bas & Leers, Theo & Meijdam, Lex, 2003. "Social security and endogenous fertility: pensions and child allowances as siamese twins," Journal of Public Economics, Elsevier, vol. 87(2), pages 233-251, February.
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