“…We limit our sample to the population of HSGs because, as Arcidiacono et al (2010) shows, for college graduates, skills are almost perfectly observable upon entering the labor market, but for HSGs, it takes more time to be revealed. Thus, unobserved skills have more important role in labor market outcomes of HSGs, in particular for women (Nielsson and Steingrimsdottir, 2018). 5 The theoretical prediction for the effect of this policy on labor market outcomes of HSGs is ambiguous.…”