Wolter, Achim - In: Mitteilungen aus der Arbeitsmarkt- und Berufsforschung 29 (1996) 4, pp. 616-629
"In the theoretical literature on migration, there is a common hypothesis that, contrary to a generally declining migration trend, the migratory movements of higher qualified workers between the industrial nations has increased in the last ten years. The empirical studies conducted on this...