In May 2018, a new regulation by the European Commission on data protection came into force, the General Data Protection Regulation (GDPR). It requires many firms to update their data protection strategy. It may also complicate different types of data usage, particularly related to data on...

The aim of this paper is to discuss the external and internal validity of the newly created Immigration Policies in Comparison (IMPIC) dataset. After presenting its theoretical conceptualization, we compare the IMPIC to other datasets in this policy field. Next, using a variant of principal...

"Measuring the gain in income from migration is complicated by non-random selection of migrants from the general population, making it hard to obtain an appropriate comparison group of non-migrants. This paper uses a migrant lottery to overcome this problem, providing an experimental measure of...