Data on the life-cycle profiles of inequality in wages, earnings, hours worked and consumption contains precious information for answering questions about the ability of households to insure labor market risk and about the sources of this risk. This Paper demonstrates that the choice of whether to control for cohort effects or for time effects has a drastic impact on the estimated age profiles for inequality and, thus, on the answers to those questions. It also shows that time effects are required to account for the observed trends in inequality in thirty years of US data, whereas there is no evidence that cohort effects have been important.
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Paper provided by C.E.P.R. Discussion Papers in its series CEPR Discussion Papers with number
4728.
Find related papers by JEL classification: C13 - Mathematical and Quantitative Methods - - Econometric and Statistical Methods: General - - - Estimation D31 - Microeconomics - - Distribution - - - Personal Income and Wealth Distribution D91 - Microeconomics - - Intertemporal Choice and Growth - - - Intertemporal Consumer Choice; Life Cycle Models and Saving J22 - Labor and Demographic Economics - - Demand and Supply of Labor - - - Time Allocation and Labor Supply J31 - Labor and Demographic Economics - - Wages, Compensation, and Labor Costs - - - Wage Level and Structure; Wage Differentials
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Cited by: (explanations, 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.)
Mark Huggett & Gustavo Ventura & Amir Yaron, 2007.
"Sources of Lifetime Inequality,"
NBER Working Papers
13224, National Bureau of Economic Research, Inc.
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Mark Huggett & Gustavo Ventura & Amir Yaron, 2007.
"Sources of Lifetime Inequality,"
Working Papers
gueconwpa~07-07-04, Georgetown University, Department of Economics.
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