Drago, Francesco; Galbiati, Roberto; Vertova, Pietro - Institute for the Study of Labor (IZA) - 2008
due to the date of entry
in prison, a variable that is as good as random. Hence, controlling for sentence and time served … another crime.
(Table IV about here)
Overall, controlling for an important source of unobserved heterogeneity, we find …, whereas prison isolation is associated to higher post-release criminal behavior. To
16
gauge the impact of controlling for …