This chapter begins by documenting that temporary migrations are not only very common, but that outmigration of immigrants is selective both in terms of migrants' individual characteristics and their economic outcomes. We then examine the problems that arise when estimating immigrants' earnings...

If migrants return to their origin countries, two questions arise which are of immediate economic interest for both immigration and emigration country: What determines their optimal migration duration, and what are the activities migrants choose after a return. Little research has been devoted...

If migrants return to their origin countries, two questions arise which are of immediate economic interest for both immigration and emigration country: What determines their optimal migration duration, and what are the activities migrants choose after a return. Little research has been devoted...