Should individuals migrate before acquiring education or after? In order to analyze the optimality of the timing of migration, I develop a model of migration, which combines the two migration decisions into a unique model - decisions about where to get an education and decision about where to...

This paper sheds a new perspective on models of migration by integrating in a same structure the decisions about education and work; and by incorporating return migration with "brain waste". Brain waste is defined as the depreciation, due to migration, in the human capital acquired in the home...