Several studies have examined the effects of training programs on employment. Most of them assume that the effects of training are constant for all potential trainees. We use an econometric framework that allows studying the heterogeneous training effects on discrete outcomes. The treatment...

Matching estimators use observed variables to adjust for differences between groups to eliminate sample selection bias. When minimum relevant information is not available, matching estimates are biased. If access to data on usually unobserved factors that determine the selection process is...