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How Important is Precautionary Saving?

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  • Christopher D. Carroll
  • Andrew A. Samwick

Abstract

We estimate the fraction of the wealth of a sample of PSID respondents that is held because some households face greater income uncertainty than others. We first derive an equation characterizing the theoretical relationship between wealth and uncertainty in a buffer-stock model of saving. Next, we estimate that equation using PSID data; we find strong evidence that households engage in precautionary saving. Finally, we simulate the wealth distribution that would prevail if all households had the same uncertainty as the lowest-uncertainty group. We find that between 39 and 46 percent of wealth in our sample is attributable to uncertainty differentials across groups.

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Paper provided by National Bureau of Economic Research, Inc in its series NBER Working Papers with number 5194.

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Date of creation: Jul 1995
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Publication status: published as Review of Economics and Statistics, Vol. 80, no. 3 (1998): 410-419.
Handle: RePEc:nbr:nberwo:5194

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  1. Angus Deaton, 1989. "Saving and Liquidity Constraints," NBER Working Papers 3196, National Bureau of Economic Research, Inc.
  2. Kimball, Miles S, 1990. "Precautionary Saving in the Small and in the Large," Econometrica, Econometric Society, Econometric Society, vol. 58(1), pages 53-73, January.
  3. Guiso, Luigi & Jappelli, Tullio & Terlizzese, Daniele, 1992. "Earnings Uncertainty and Precautionary Saving," CEPR Discussion Papers 699, C.E.P.R. Discussion Papers.
  4. Robert E. Lipsey & Helen Stone Tice, 1989. "The Measurement of Saving, Investment, and Wealth," NBER Books, National Bureau of Economic Research, Inc, number lips89-1.
  5. Douglas Staiger & James H. Stock, 1997. "Instrumental Variables Regression with Weak Instruments," Econometrica, Econometric Society, Econometric Society, vol. 65(3), pages 557-586, May.
  6. R. Glenn Hubbard & Jonathan Skinner & Stephen P. Zeldes, 1993. "The Importance of Precautionary Motives in Explaining Individual and Aggregate Saving," NBER Working Papers 4516, National Bureau of Economic Research, Inc.
  7. Skinner, Jonathan, 1988. "Risky income, life cycle consumption, and precautionary savings," Journal of Monetary Economics, Elsevier, vol. 22(2), pages 237-255, September.
  8. Christopher D. Carroll, 1992. "The Buffer-Stock Theory of Saving: Some Macroeconomic Evidence," Brookings Papers on Economic Activity, Economic Studies Program, The Brookings Institution, vol. 23(2), pages 61-156.
  9. Murphy, Kevin M & Welch, Finis, 1990. "Empirical Age-Earnings Profiles," Journal of Labor Economics, University of Chicago Press, University of Chicago Press, vol. 8(2), pages 202-29, April.
  10. Douglas W. Elmendorf & Miles S. Kimball, 1996. "Taxation of labor income and the demand for risky assets," Finance and Economics Discussion Series, Board of Governors of the Federal Reserve System (U.S.) 96-32, Board of Governors of the Federal Reserve System (U.S.).
  11. Hall, Robert E, 1988. "Intertemporal Substitution in Consumption," Journal of Political Economy, University of Chicago Press, University of Chicago Press, vol. 96(2), pages 339-57, April.
  12. Hansen, Lars Peter, 1982. "Large Sample Properties of Generalized Method of Moments Estimators," Econometrica, Econometric Society, Econometric Society, vol. 50(4), pages 1029-54, July.
  13. Sandmo, Agnar, 1970. "The Effect of Uncertainty on Saving Decisions," Review of Economic Studies, Wiley Blackwell, vol. 37(3), pages 353-60, July.
  14. Runkle, David E., 1991. "Liquidity constraints and the permanent-income hypothesis : Evidence from panel data," Journal of Monetary Economics, Elsevier, vol. 27(1), pages 73-98, February.
  15. Caballero, R.J., 1988. "Consumption Puzzles And Precautionary Savings," Discussion Papers 1988_05, Columbia University, Department of Economics.
  16. S. Rao Aiyagari, 1993. "Uninsured idiosyncratic risk and aggregate saving," Working Papers 502, Federal Reserve Bank of Minneapolis.
  17. John Bound & David A. Jaeger & Regina Baker, 1993. "The Cure Can Be Worse than the Disease: A Cautionary Tale Regarding Instrumental Variables," NBER Technical Working Papers 0137, National Bureau of Economic Research, Inc.
  18. Cochrane, John H, 1991. "A Simple Test of Consumption Insurance," Journal of Political Economy, University of Chicago Press, University of Chicago Press, vol. 99(5), pages 957-76, October.
  19. Richard T. Curtin & Thomas Juster & James N. Morgan, 1989. "Survey Estimates of Wealth: An Assessment of Quality," NBER Chapters, in: The Measurement of Saving, Investment, and Wealth, pages 473-552 National Bureau of Economic Research, Inc.
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