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Social Security and Intragenerational Redistribution of Lifetime Income in Japan

Author

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  • Oshio, Takashi
  • 小塩, 隆士
  • オシオ, タカシ

Abstract

This paper investigates how social security redistributes lifetime income within the same generation in Japan, based on data from the Survey on the Redistribution of Income. The progressivity of Japan's public pension program appears to be much more limited on a lifetime basis than on an annual basis. Given an aging population, replacing the current pay-as-you-go system with a simple one that consists of a flat benefit and a wage-proportional premium, and has no maximum contribution, can be desirable in terms of both efficiency and intragenerational equity. The redistributive effects of income tax and consumption tax to finance the benefit are also examined.

Suggested Citation

  • Oshio, Takashi & 小塩, 隆士 & オシオ, タカシ, 2003. "Social Security and Intragenerational Redistribution of Lifetime Income in Japan," Discussion Paper 172, Center for Intergenerational Studies, Institute of Economic Research, Hitotsubashi University.
    • Handle: RePEc:hit:piedp1:172
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    References listed on IDEAS

    as
    1. Feldstein, Martin & Liebman, Jeffrey B. (ed.), 2002. "The Distributional Aspects of Social Security and Social Security Reform," National Bureau of Economic Research Books, University of Chicago Press, edition 1, number 9780226241067, September.
    2. Martin Feldstein & Jeffrey B. Liebman, 2002. "The Distributional Aspects of Social Security and Social Security Reform," NBER Books, National Bureau of Economic Research, Inc, number feld02-1.
    3. Sinn, Hans-Werner, 2000. "Why a Funded Pension System is Useful and Why It is Not Useful," Munich Reprints in Economics 19859, University of Munich, Department of Economics.
    4. Hans-Werner Sinn, 2000. "Why a Funded Pension System is Needed and Why It is Not Needed," International Tax and Public Finance, Springer;International Institute of Public Finance, vol. 7(4), pages 389-410, August.
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    Cited by:

    1. Lixin He & Hiroshi Sato, 2013. "Income Redistribution In Urban China By Social Security System—An Empirical Analysis Based On Annual And Lifetime Income," Contemporary Economic Policy, Western Economic Association International, vol. 31(2), pages 314-331, April.

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    More about this item

    JEL classification:

    • H55 - Public Economics - - National Government Expenditures and Related Policies - - - Social Security and Public Pensions
    • H23 - Public Economics - - Taxation, Subsidies, and Revenue - - - Externalities; Redistributive Effects; Environmental Taxes and Subsidies

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