Social Security and Intragenerational Redistribution of Lifetime Income in Japan

Takashi Oshio, 隆士 小塩 and タカシ オシオ

No 172, Discussion Paper from Center for Intergenerational Studies, Institute of Economic Research, Hitotsubashi University

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.

JEL-codes: H23 H55 (search for similar items in EconPapers)
Pages: 42 pages
Date: 2003-09
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Citations: View citations in EconPapers (1)

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Persistent link: https://EconPapers.repec.org/RePEc:hit:piedp1:172

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