transfer (SET) mandate implemented in Sweden in 2003, following which the share of twin births showed a precipitous drop of 70 …

leverage a single embryo transfer (SET) mandate for IVF procedures implemented in Sweden in 2003, following which the share of …

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 …

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 …