While there is a growing body of social research on migration and integration of immigrants from third countries arriving into the European Union (EU), this paper draws attention to the intra-EU mobility and integration processes. It is doing so by presenting results of a research on social...

Illegal migrants supply a valuable productive input: effort. But their status as illegals means that these migrants face a strictly positive probability of expulsion. A return to their country of origin entails reduced earnings when the wage at origin is lower than the wage at destination. This...