We investigate inference in semi-parametric binary regression models, y = 1(x¯ +v+² 0) when ² is assumed uncorrelated with a set of instruments z, ² is independentof v conditionally on x and z, and the conditional support of ² is su¢ciently smallrelative to the support of v. We...

We evaluate the wage impact of the strong and rapid increase in schoolinglevels experienced by the cohorts born after WWII in France. In order toidentify the causal effect of education, we exploit the fact that the smallgroup of people graduating from elite education (Grandes Ecoles)...