In this paper, four commonly provided explanations for the shift in labour demand for different skill groups are investigated: the substitutability of inputs; the own-price sensitivity for different types of labour; the effect of economic growth and the impact of technological change. In...

This paper deals with flows of technology and information among people and institutions and the role of public support given by different sponsors (the federal government, the Länder and the European Union). Recent theory stresses the importance of the interactions and linkages among acteurs...