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Social Security And The Intragenerational Redistribution Of Lifetime Income In Japan

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  • TAKASHI OSHIO

Abstract

We investigate how social security redistributes lifetime income within the same generation in Japan, based on data from the micro data. The progressivity of Japan's state pension programme appears to be much more limited on a lifetime basis than on an annual basis. Given an ageing 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.

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  • Takashi Oshio, 2005. "Social Security And The Intragenerational Redistribution Of Lifetime Income In Japan," The Japanese Economic Review, Japanese Economic Association, vol. 56(1), pages 85-106, March.
    • Handle: RePEc:bla:jecrev:v:56:y:2005:i:1:p:85-106
    DOI: 10.1111/j.1468-5876.2005.00308.x
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    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, December.
    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, March.
    3. Coronado Julia Lynn & Fullerton Don & Glass Thomas, 2011. "The Progressivity of Social Security," The B.E. Journal of Economic Analysis & Policy, De Gruyter, vol. 11(1), pages 1-45, November.
    4. Martin S. Feldstein & Jeffrey B. Liebman, 2002. "Introduction to "The Distributional Aspects of Social Security and Social Security Reform"," NBER Chapters, in: The Distributional Aspects of Social Security and Social Security Reform, pages 1-10, National Bureau of Economic Research, Inc.
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