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 …

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 …. Applying this method to German patent data we find evidence that regional differences in the degree of cooperative innovation …

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. …

The relationship between innovation and firm survival is analyzed for the population of German laser source producers … from the beginning of the industry until 2005. Innovation effort is approximated by the generation of high quality patents …