Crépon, Bruno; Ferracci, Marc; Jolivet, Grégory; van … - 2009
duration until treatment and the counterfactual durations until exit. To illustrate the approach, the paper studies the effect … of training for unemployed workers in France, using a rich register data set. Training has little impact on unemployment … duration. The contamination of the standard matching estimator due to later entries into treatment is large if the treatment …