Heckman, James J.; Stixrud, Jora; Urzua, Sergio - In: Journal of Labor Economics 24 (2006) 3, pp. 411-482
This article establishes that a low-dimensional vector of cognitive and noncognitive skills explains a variety of labor market and behavioral outcomes. Our analysis addresses the problems of measurement error, imperfect proxies, and reverse causality that plague conventional studies....