The increasing flows of immigrants in Europe over the last decade has generated a range of considerations in the policy agenda of many receiving countries. One of the main considerations for policy makers and public opinions alike is whether immigrants contribute their ”fair” share to their...

We comment on the work of Hanushek et al. (2015) and show that returns to skills are very heterogeneous and depend crucially on the tasks performed in the workplace, in line with the critique by Acemoglu and Autor (2011). Depending on the type of tasks performed at work, as well as on...