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Consumption Over the Life Cycle

Pierre-Olivier Gourinchas and Jonathan Parker

No 7271, NBER Working Papers from National Bureau of Economic Research, Inc

Abstract: This paper employs a synthetic cohort technique and Consumer Expenditure Survey data to construct average age-profiles of consumption and income over the working lives of typical households across different education and occupation groups. Using these profiles, we estimate a structural model of optimal life-cycle consumption expenditures in the presence of realistic labor income uncertainty. The model fits the profiles quite well. In addition to providing tight estimates of the discount rate and risk aversion, we find that consumer behavior changes strikingly over the life-cycle. Young consumers behave as buffer-stock agents. Around age 40, the typical household starts accumulating liquid assets for retirement, and its behavior mimics more closely that of a certainty equivalent consumer. This change in behavior is mostly driven by the life-cycle profile of expected income. Our methodology provides a natural decomposition of saving into its precautionary and retirement components.

JEL-codes: C61 D91 (search for similar items in EconPapers)
Date: 1999-07
Note: IFM EFG
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (47)

Published as Gourinchas, Pierre-Olivier and Jonathan A. Parker. "Consumption Over The Life Cycle," Econometrica, 2002, v70(1,Jan), 47-89.

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Related works:
Journal Article: Consumption Over the Life Cycle (2002)
Working Paper: Consumption Over the Life-Cycle (2000) Downloads
Working Paper: Consumption Over the Life Cycle (1997) Downloads
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