Using birth certificates matched to schooling records for Florida children born 1992 – 2002, we assess whether family … gap in neonatal health. We conclude that the gender gap among black children is larger than among white children in … substantial part because black children are raised in more disadvantaged families …

We study the treatment effect of grade retention, using a panel of French junior high school students, taking … weakest students. We also show that class size is endogenous and tends to increase with unobserved student ability. The … Average Treatment Effect (ATE) of grade retention is negative, again with the exception of the weakest group of students …

substantial and heterogeneous employment responses that increased average income despite reduced transfers. We find zero effects …