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Pay-as-you-go social security and endogenous fertility in a neoclassical growth model

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  • Koichi Miyazaki

Abstract

This paper theoretically studies how unfunded pay-as-you-go social security affects economic growth, the fertility rate, and welfare in a neoclassical growth model. In addition, this paper considers a more general form of child-rearing cost, which is a mixture of time and money. The first observation is that whether the fertility rate increases or not by the expansion of the pay-as-you-go social security depends on (1) the size of the monetary child-rearing cost relative to the time spent on child-rearing and (2) the current fertility and interest rate in laissez faire. The second observation is that income per worker can increase by an expansion in pay-as-you-go social security when the output elasticity of capital is sufficiently small and the payroll tax rate is high. The last finding is that welfare can be improved even though capital is underaccumulated in an economy. Copyright Springer-Verlag Berlin Heidelberg 2013

Suggested Citation

  • Koichi Miyazaki, 2013. "Pay-as-you-go social security and endogenous fertility in a neoclassical growth model," Journal of Population Economics, Springer;European Society for Population Economics, vol. 26(3), pages 1233-1250, July.
    • Handle: RePEc:spr:jopoec:v:26:y:2013:i:3:p:1233-1250
    DOI: 10.1007/s00148-012-0451-7
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    Cited by:

    1. Chen Hung-Ju & Miyazaki Koichi, 2022. "Pay-as-You-Go Social Security and Educational Subsidy in an Overlapping Generations Model with Endogenous Fertility and Endogenous Retirement," The B.E. Journal of Macroeconomics, De Gruyter, vol. 22(2), pages 787-820, June.
    2. Cigno, A., 2016. "Conflict and Cooperation Within the Family, and Between the State and the Family, in the Provision of Old-Age Security," Handbook of the Economics of Population Aging, in: Piggott, John & Woodland, Alan (ed.), Handbook of the Economics of Population Aging, edition 1, volume 1, chapter 0, pages 609-660, Elsevier.
    3. Zheng Shen & Xiaodong Zheng & Hualei Yang, 2020. "The fertility effects of public pension: Evidence from the new rural pension scheme in China," PLOS ONE, Public Library of Science, vol. 15(6), pages 1-17, June.
    4. Miyazaki, Koichi, 2016. "Student loans, fertility, and economic growth," MPRA Paper 71604, University Library of Munich, Germany.
    5. Kazumasa Oguro & Masaya Yasuoka, 2017. "Stress, Child Care, and Fertility," Discussion Paper Series 153, School of Economics, Kwansei Gakuin University, revised Jan 2017.
    6. Masaya Yasuoka, 2018. "Fertility, Income Growth and Inflation," Discussion Paper Series 182, School of Economics, Kwansei Gakuin University, revised Jul 2018.
    7. Luciano Fanti, 2014. "Raising the Mandatory Retirement Age and its Effect on Long-run Income and Pay-as-you-go (PAYG) Pensions," Metroeconomica, Wiley Blackwell, vol. 65(4), pages 619-645, November.

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    More about this item

    Keywords

    Fertility; Child-rearing cost; Pay-as-you-go social security; Neoclassical growth; D91; H55; J13;
    All these keywords.

    JEL classification:

    • D91 - Microeconomics - - Micro-Based Behavioral Economics - - - Role and Effects of Psychological, Emotional, Social, and Cognitive Factors on Decision Making
    • H55 - Public Economics - - National Government Expenditures and Related Policies - - - Social Security and Public Pensions
    • J13 - Labor and Demographic Economics - - Demographic Economics - - - Fertility; Family Planning; Child Care; Children; Youth

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