This paper investigates the role of discount rate heterogeneity for wealth inequality. The key idea is to infer the distribution of preference parameters from the observed age profile of wealth inequality. The contribution of preference heterogeneity to wealth inequality can then be measured using a quantitative life-cycle model. I find that discount rate heterogeneity increases the Gini coefficient of wealth by around 0.07 to levels that are close to the data. The share of wealth held by the richest 1% of households rises by around 0.04, but falls short of the data by more than ten percentage points. Discount rate heterogeneity also helps account for the large wealth inequality observed among households with similar lifetime earnings.
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Paper provided by Iowa State University, Department of Economics in its series Staff General Research Papers with number
12724.
Length: Date of creation: 20 Feb 2007 Date of revision: Publication status: Forthcoming in Journal of Economic Dynamics and Control,. Handle: RePEc:isu:genres:12724
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Find related papers by JEL classification: E2 - Macroeconomics and Monetary Economics - - Macroeconomics: Consumption, Saving, Production, Employment, and Investment
References listed on IDEAS Please report citation or reference errors to , or , if you are the registered author of the cited work, log in to your RePEc Author Service profile, click on "citations" and make appropriate adjustments.:
Pierre-Olivier Gourinchas & Jonathan A. Parker, 2002.
"Consumption Over the Life Cycle,"
Econometrica,
Econometric Society, vol. 70(1), pages 47-89, January.
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