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. …