We examine evidence on omitted-ability bias in estimates of the economic return to schooling, using proxies for …

We use data on sisters to jointly address heterogeneity bias and endogeneity bias in estimates of wage equations for … are detected only when these two sources of bias are addressed simultaneously. For both white and black women there is … evidence of upward bias in the estimated returns to schooling. Bias-corrected estimates of the effect of marriage on wages, for …

empirical results reject the hypothesis that an increase in the upward bias of the schooling coefficient, due to a change in the …