This paper uses cross section data to investigate whether education and ability are substitutes or complements in the determination of earnings. Using a measure of cognitive ability based on tests taken at ages 7 and 11 we find, unlike most of the existing literature, clear evidence that the return to schooling is lower for those with higher ability indicating that education can act as a substitute for observed ability. We also estimate quantile regression functions to examine how the return to schooling varies across the conditional distribution of earnings. The results show that the return is lower for higher quantiles, suggesting that education is also a substitute for unobserved ability.
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Paper provided by School Of Economics, University College Dublin in its series Working Papers with number
200420.
Find related papers by JEL classification: J31 - Labor and Demographic Economics - - Wages, Compensation, and Labor Costs - - - Wage Level and Structure; Wage Differentials
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.:
Koenker, Roger W & Bassett, Gilbert, Jr, 1978.
"Regression Quantiles,"
Econometrica,
Econometric Society, vol. 46(1), pages 33-50, January.
[Downloadable!] (restricted)
Carneiro, Pedro & Heckman, James J., 2003.
"Human Capital Policy,"
IZA Discussion Papers
821, Institute for the Study of Labor (IZA).
[Downloadable!]
Other versions:
James Heckman & Pedro Carneiro, 2003.
"Human Capital Policy,"
NBER Working Papers
9495, National Bureau of Economic Research, Inc.
[Downloadable!] (restricted)