Hansen, Karsten; Heckman, James J.; Mullen, Kathleen J. - National Bureau of Economic Research (NBER) - 2003
This paper develops two methods for estimating the effect of schooling on achievement test scores that control for the endogeneity of schooling by postulating that both schooling and test scores are generated by a common unobserved latent ability. These methods are applied to data on schooling...