Does better access to skilled workers reduce firms' willingness to provide general skills training to unskilled workers? We analyze how the gradual opening of the Swiss labor market to workers from the European Union affected the number of apprenticeship positions that firms provide. We exploit...

Introduction / Ina Ganguli, Shulamit Kahn, and Megan MacGarvie --I. Location choices of international students and return migration.Return migrants' self-selection : evidence for Indian inventors /Stefano Breschi, Francesco Lissoni, and Ernest Miguelez --Will the U.S. keep the best and the...