Henninges, Hasso von - In: Mitteilungen aus der Arbeitsmarkt- und Berufsforschung 29 (1996) 1, pp. 73-92
"This study, which is based on official statistics and data from surveys, adduced that in the past years more and more skilled workers have been employed in jobs in which their specialist qualifications were not necessary, they were left unexploited and expired.The study showed in particular...