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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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Bibliographic Info

Article provided by Elsevier in its journal Journal of the Japanese and International Economies.

Volume (Year): 16 (2002)
Issue (Month): 3 (September)
Pages: 335-352

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Handle: RePEc:eee:jjieco:v:16:y:2002:i:3:p:335-352

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Web page: http://www.elsevier.com/locate/inca/622903

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References

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  1. Ogaki, Masao & Zhang, Qiang, 2001. "Decreasing Relative Risk Aversion and Tests of Risk Sharing," Econometrica, Econometric Society, vol. 69(2), pages 515-26, March.
  2. 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.
  3. Townsend, R.M., 1991. "Risk and Insurance in Village India," University of Chicago - Economics Research Center 91-3, Chicago - Economics Research Center.
  4. Atkeson, Andrew & Ogaki, Masao, 1996. "Wealth-varying intertemporal elasticities of substitution: Evidence from panel and aggregate data," Journal of Monetary Economics, Elsevier, vol. 38(3), pages 507-534, December.
  5. Constantinides, George M & Duffie, Darrell, 1996. "Asset Pricing with Heterogeneous Consumers," Journal of Political Economy, University of Chicago Press, vol. 104(2), pages 219-40, April.
  6. 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.
  7. Orazio Attanasio & Steven J. Davis, 1994. "Relative Wage Movements and the Distribution of Consumption," NBER Working Papers 4771, National Bureau of Economic Research, Inc.
  8. Fumio Hayashi, 1984. "The Permanent Income Hypothesis and Consumption Durability: Analysis Based on Japanese Panel Data," NBER Working Papers 1305, National Bureau of Economic Research, Inc.
  9. Rubinstein, Mark, 1974. "An aggregation theorem for securities markets," Journal of Financial Economics, Elsevier, vol. 1(3), pages 225-244, September.
  10. 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.
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Citations

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Cited by:
  1. Yasuyuki Sawada & Satoshi Shimizutani, 2005. "Are People Insured Against Natural Disasters? Evidence from the Great Hanshin-Awaji (Kobe) Earthquake in 1995," CARF F-Series CARF-F-019, Center for Advanced Research in Finance, Faculty of Economics, The University of Tokyo.
  2. 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.
  3. Chiaki Hara, 2005. "Heterogeneous Risk Attitudes in a Continuous-Time Model," KIER Working Papers 609, Kyoto University, Institute of Economic Research.
  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.

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