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A Test of the Full Insurance Hypothesis: The Case of Japan

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  • Kohara, Miki
  • Ohtake, Fumio
  • Saito, Makoto

Abstract

Exploiting the panel data structure of the Family Income and Expenditure Survey, compiled from 1989 to 1997 by the Japanese Bureau of Statistics, this paper explores how effectively idiosyncratic shocks are shared among consumers in Japan. Tests are conducted for the total consumption, together with each category of consumption expenditures. In addition, the empirical analysis of the paper accounts for the disaster shock caused by the Hyogo Earthquake that took place in January 1995. While the overall empirical results indicate that the full insurance hypothesis is strongly rejected, they suggest that idiosyncratic shocks are insured at least partially. With respect to the effect of the earthquake shock, the residents in the earthquake area indeed bore more shocks than those in other regions. The paper also points out that the extent of risk-sharing among households in Japan is fairly similar to that in the US.

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File URL: http://hermes-ir.lib.hit-u.ac.jp/rs/bitstream/10086/16937/1/070econDP01-05.pdf
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Bibliographic Info

Paper provided by Graduate School of Economics, Hitotsubashi University in its series Discussion Papers with number 2001-05.

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Length: 22 p.
Date of creation: May 2001
Date of revision:
Handle: RePEc:hit:econdp:2001-05

Note: May 30, 2001
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  1. Constantinides,George & Duffie,Darrel, 1992. "Asset pricing with heterogeneous consumers," Discussion Paper Serie A 381, University of Bonn, Germany.
  2. Attanasio, Orazio & Davis, Steven J, 1996. "Relative Wage Movements and the Distribution of Consumption," Journal of Political Economy, University of Chicago Press, vol. 104(6), pages 1227-62, December.
  3. Robert M. Townsend, . "Risk and Insurance in Village India," University of Chicago - Population Research Center 91-3a, Chicago - Population Research Center.
  4. Masao Ogaki & Qiang Zhang, 2000. "Decreasing Relative Risk Aversion and Tests of Risk Sharing," Econometric Society World Congress 2000 Contributed Papers 1588, Econometric Society.
  5. Hayashi, Fumio, 1985. "The Permanent Income Hypothesis and Consumption Durability: Analysis Based on Japanese Panel Data," The Quarterly Journal of Economics, MIT Press, vol. 100(4), pages 1083-1113, November.
  6. Cochrane, John H, 1991. "A Simple Test of Consumption Insurance," Journal of Political Economy, University of Chicago Press, vol. 99(5), pages 957-76, October.
  7. Mace, Barbara J, 1991. "Full Insurance in the Presence of Aggregate Uncertainty," Journal of Political Economy, University of Chicago Press, vol. 99(5), pages 928-56, October.
  8. Nelson, Julie A, 1994. "On Testing for Full Insurance Using Consumer Expenditure Survey Data: Comment," Journal of Political Economy, University of Chicago Press, vol. 102(2), pages 384-94, April.
  9. Atkeson, A. & Ogaki, M., 1991. "Wealth-Varying Intertemporal Elasticities of Substitution Evidence from Panel and Aggregate Data," RCER Working Papers 303, University of Rochester - Center for Economic Research (RCER).
  10. Rubinstein, Mark, 1974. "An aggregation theorem for securities markets," Journal of Financial Economics, Elsevier, vol. 1(3), pages 225-244, September.
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Cited by:
  1. Yamada, Tomoaki, 2012. "Income risk, macroeconomic and demographic change, and economic inequality in Japan," Journal of Economic Dynamics and Control, Elsevier, vol. 36(1), pages 63-84.
  2. Chiaki Hara, 2006. "Heterogeneous Risk Attitudes In A Continuous-Time Model," The Japanese Economic Review, Japanese Economic Association, vol. 57(3), pages 377-405.
  3. Yamada, Tomoaki, 2014. "A note on risk sharing against idiosyncratic shocks and geographic mobility in Japan," MPRA Paper 54886, University Library of Munich, Germany.
  4. Abe, Naohito & Yamada, Tomoaki, 2009. "Nonlinear income variance profiles and consumption inequality over the life cycle," Journal of the Japanese and International Economies, Elsevier, vol. 23(3), pages 344-366, September.
  5. Yasuyuki Sawada & Satoshi Shimizutani, 2005. "Are People Insured Against Natural Disasters? Evidence from the Great Hanshin-Awaji (Kobe) Earthquake in 1995," CIRJE F-Series CIRJE-F-314, CIRJE, Faculty of Economics, University of Tokyo.

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