“…However, our focus on these institutions is motivated by two types considerations. First, vocational schools are an ideal setting for studying immigrant peer effects because they attract not only high shares of immigrants (Carlana, La Ferrara and Pinotti, 2017) but also the lowest achieving natives, who are typically most affected by peer effects (Angrist and Lang, 2002). Second, by providing students not only with general knowledge and skills, but also with practice-oriented training to prepare them for particular occupations, they can be one of the most important policy tools available for combating youth unemployment (Eichhorst, 2015), which is a particularly pervasive issue especially in Southern European countries.…”