We consider a model of international migration where skills of workers are imperfectly observed by firms in the host country and where information asymmetries are more severe for immigrants than for natives. There are two stages. In the first one, workers in the South decide whether to move and...

The objective of this paper is to analyse the role of migrants in innovation in Europe. We use Total Factor Productivity as a measure of innovation and focus on the three largest European countries - France, Germany and the United Kingdom - in the years 1994-2007. Unlike previous research, which...

Critics of the H-1B program for high-skilled workers argue that the program restricts immigrant job mobility and lacks a vehicle for adjusting the number of visas during a recession. We study the job mobility of highly-skilled Indian IT guest workers and provide new evidence on their inter-firm...