Heckman, James J. (contributor); Lochner, Lance (contributor) - 2008
internal rates of return that take into account tuition costs, income taxes and nonlinearities in the earnings …IZA DP No. 3310
Earnings Functions and Rates of Return
James J. Heckman
Lance J. Lochner
Petra E. Todd
DISCUSSION P …
APER SERIES
Forschungsinstitut
zur Zukunft der Arbeit
Institute for the Study
of Labor
January 2008
Earnings Functions …