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 investigate the contribution of different inputs, particularly different knowledge sources, on regional patenting … output in the framework of a knowledge production function. The knowledge sources included are R&D employment, size of public … departments, German Science Foundation (DFG), and from other sources. The contribution of these knowledge sources is tested …

The paper deals with the significant impact of location on innovation activity that has been found in many empirical … of these issues the concept of a regional innovation system is presented in some detail and an overview of results from … recent research on regional innovation systems is given. The paper then discusses basic policy options and names a number of …