Fig. 4From: Transmission of vocational skills in the second part of careers: the effect of ICT and management changesStandardized differences in means of covariates between trained and non-trained individuals without and with different matching techniques. Source: COI survey 2006/INSEE-DARES-CEE. Coverage: Workers aged 45–57 years old with at least 1 year of seniority and employed in firms with 20 workers or more. Note: Treated individuals are workers who participate in a training session on new ICT tools in 2006. We plot standardized biases without matching (black circles) and with different matching techniques (black crosses for IPW with exact matching by gender, blue diamonds for Kernel matching and red triangles for IPW matching). We report only covariates for which standardized bias without matching is > 10Back to article page