This paper investigates human capital investments of migrants whose duration in the host country is limited, either by contract or by their own choice. The first part of the paper develops a model, distinguishing between migrants who immigrate on a xed contract, and migrants who choose their...

Labor flows across industries reallocate resources and diffuse knowledge among economic activities. However, surprisingly little is known about the structure of such inter-industry flows. How freely do workers switch jobs among industries? Between which pairs of industries do we observe such...