%0 Report %A Cunha, Flavio %A Heckman, James J. %A Navarro, Salvador %T Separating Uncertainty from Heterogeneity in Life Cycle Earnings %D 2004 %8 2004 Dec %I Institute of Labor Economics (IZA) %C Bonn %7 IZA Discussion Paper %N 1437 %U https://www.iza.org/publications/dp1437 %X This paper develops and applies a method for decomposing cross section variability of earnings into components that are forecastable at the time students decide to go to college (heterogeneity) and components that are unforecastable. About 60% of variability in returns to schooling is forecastable. This has important implications for using measured variability to price risk and predict college attendance. %K counterfactuals %K uncertainty %K lifecycle earnings %K schooling %K heterogeneity