Figure 5

Dif-in-dif by educational level; Effect on the rate of conversion for the entire eligible group during Period III, in absolute value on the left and as a proportion of the counterfactual rate on the right; 95% confidence interval with s.e. clustered by employer; “Low” stands for workers who completed at most primary school, “Middle” is the 8th grade, “Voc Dipl” is a vocational diploma course that lasts two or three years after middle school, “High” is for high school, “Grad” stands for university graduates.