International student exchange has become an important part of university-level studiesand the EU plans to increase it significantly. Weanalyze how international student exchange affects students’ academic human capital. Usingdetailed student-level data fromfour faculties (Economics and...

We estimate peer effects for fourth graders in six European countries. The identification relies on variation across classes within schools. We argue that classes within primary schools are formed roughly randomly with respect to family background. Similar to previous studies, we find sizeable...