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 … network may influence knowledge persistence over time. In a final step, we assess how persistent knowledge as well as the …

considerable number of incumbent inventors discontinue. We estimated the persistence of knowledge in the inventor networks of nine … German regions using alternative assumptions about knowledge transfer. Based on these estimates, we analyzed how the size and … structure of a network may influence knowledge persistence over time. In a final step, we assessed how persistent knowledge as …

We assess the efficiency of regional innovation systems (RIS) in Germany by means of a knowledge production function …