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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.

Suggested Citation

  • Christopher D. Carroll & Andrew A. Samwick, 1995. "How Important is Precautionary Saving?," NBER Working Papers 5194, National Bureau of Economic Research, Inc.
  • Handle: RePEc:nbr:nberwo:5194
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    References listed on IDEAS

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    More about this item

    JEL classification:

    • D91 - Microeconomics - - Micro-Based Behavioral Economics - - - Role and Effects of Psychological, Emotional, Social, and Cognitive Factors on Decision Making
    • E21 - Macroeconomics and Monetary Economics - - Consumption, Saving, Production, Employment, and Investment - - - Consumption; Saving; Wealth

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