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Aging, Saving, and Public Pensions in Japan

  • Charles Yuji Horioka
  • Wataru Suzuki
  • Tatsuo Hatta

We analyze the impact of population aging on Japan's household saving rate and on its public pension system and the impact of that system on Japan's household saving rate and obtain the following results: first, the age structure of Japan's population can explain the level of, and past and future trends in, its household saving rate; second, the rapid aging of Japan's population is causing Japan's household saving rate to decline and this decline can be expected to continue; third, the pay-as-you-go nature of the public pension system, combined with rapid population aging, created considerable intergenerational inequities and increased the saving rates of cohorts born after 1965, which in turn slowed the decline in Japan's household saving rate; and fourth, the 2004 public pension reform alleviated the intergenerational inequities of Japan's public pension system somewhat but will in the long run exacerbate the downward trend in Japan's household saving rate.

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File URL: http://www.nber.org/papers/w13273.pdf
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Paper provided by National Bureau of Economic Research, Inc in its series NBER Working Papers with number 13273.

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Date of creation: Jul 2007
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Publication status: published as Charles Yuji HORIOKA & Wataru SUZUKI & Tatsuo HATTA, 2007. "Aging, Savings, and Public Pensions in Japan," Asian Economic Policy Review, Japan Center for Economic Research, vol. 2(2), pages 303-319.
Handle: RePEc:nbr:nberwo:13273
Note: AG PE
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  1. Charles Yuji Horioka, 2004. "Do the Elderly Dissave in Japan?," ISER Discussion Paper 0605, Institute of Social and Economic Research, Osaka University.
  2. Charles Yuji Horioka, 2000. "A Cointegration Analysis of the Impact of the Age Structure of the Population on the Household Saving Rate in Japan," The Review of Economics and Statistics, MIT Press, vol. 79(3), pages 511-516, August.
  3. Charles Yuji Horioka, 2001. "Are the Japanese Selfish, Altruistic, or Dynastic?," CIRJE F-Series CIRJE-F-134, CIRJE, Faculty of Economics, University of Tokyo.
  4. Horioka, Charles Yuji, 1990. "Why is Japan's household saving rate so high? A literature survey," Journal of the Japanese and International Economies, Elsevier, vol. 4(1), pages 49-92, March.
  5. Gertler, Mark, 1999. "Government debt and social security in a life-cycle economy," Carnegie-Rochester Conference Series on Public Policy, Elsevier, vol. 50(1), pages 61-110, June.
  6. Horioka, C.Y., 1989. "The Determinants Of Japan'S Saving Rate: The Impact Of The Age Structure Of The Population And Other Factors," ISER Discussion Paper 0189, Institute of Social and Economic Research, Osaka University.
  7. Charles Yuji Horioka, 2004. "Are the Japanese Unique? An Analysis of Consumption and Saving Behavior in Japan," ISER Discussion Paper 0606, Institute of Social and Economic Research, Osaka University.
  8. Kilponen , Juha & Kinnunen , Helvi & Ripatti , Antti, 2006. "Population ageing in a small open economy – some policy experiments with a tractable general equilibrium model," Research Discussion Papers 28/2006, Bank of Finland.
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