This paper studies the educational investment decisions of returning migrants while abroad in the context of their decisions about the choice of activity upon returning and the duration of migration. The theoretical model builds on Dustmann (1999), Dustmann and Kirchkamp (2992) and Mesnard (2004). Using data from the MlREM database we explore whether the type of skills acquired by migrants while abroad is related to the activity chosen upon return and the duration of migration. The results suggest that the type of education plays a significant role in the migration decisions of those returning as wage earners or self-employed. In particular, there is a clear positive relationship between being self-employed and having previously invested in...