knowledge of new inventors effect the performance of regional innovation systems (RIS). The results suggest that the knowledge … considerable number of incumbent inventors discontinue. We estimate the persistence of knowledge in regional inventor networks … using alternative assumptions about knowledge transfer. Based on these estimates we analyze how the size and structure of a …

We investigate the role played by different fields of academic knowledge and various types of higher education … different indicators for these types of knowledge, the strongest effects are found for the number of professors, followed by the … the regional knowledge stock than the number of students that is most important for the emergence of innovative stat-ups. …

We analyze information and knowledge transfer in a sample of 16 German regional innovation networks with almost 300 … returns rather than with private benefits. -- Regional innovation networks ; R&D-collaboration ; knowledge exchange ; social … knowledge and information than weak ties. Moreover, our results suggest that broker positions tend to be associated with social …

and patent productivity of the respective regional innovation systems (RIS). The empirical analysis is for nine German …

and their relationships. We compare regional knowledge networks based on different types of data sources, namely, co … source leads to a severe underestimation of regional knowledge interactions, especially those of private sector firms and …