product development process. HCs do not invest more into innovation, but achieve higher innovation success. The higher …

We assess the efficiency of regional innovation systems (RIS) in Germany by means of a knowledge production function … efficiency of its innovation system is inversely u-shaped. Regions dominated by large establishments tend to be less efficient …

Innovation processes are characterized by a pronounced division of labor between actors. Two types of externality may … innovation (MAR externalities). On the other hand, new ideas may be born by the exchange of heterogeneous and complementary …

. Applying this method to German patent data we find evidence that regional differences in the degree of cooperative innovation …In this paper we investigate the determinants of cooperative innovation and put our main focus on the regional or … differential regional effects. The latter can be used to identify and evaluate the strength of regional innovation systems …

networks of four selected regions are based on information on patent applicants and inventors. Count data regressions show … positive effects on innovation of both the total number of relations and of access to a larger knowledge base. However, when … some sort of public good to the innovation system. …

knowledge spillovers are unmeasurable, a 'goodness of fit' measure is constructed using innovation survey data. It turns out … measures constructed from innovation survey data appear to work reasonably well while measures of the Euclidean technological …