This paper analyzes the causality between inventor productivity and inventor mobility. Theresults show that the level of education has no influence on inventor productivity. Making useof external sources of knowledge, on the contrary, has a significant effect on productivity.Finally, firm size...

und Problemstellung -- Begriffliche Grundlagen -- Theoretische und konzeptionelle Grundlagen -- Methodische Grundlagen und empirische Ergebnisse -- Implikationen für Wissenschaft und Praxis -- Zusammenfassung.

Based on a survey of the inventors of 9,017 European patented inventions, this paper provides new information about the characteristics of European inventors, the sources of their knowledge, the importance of formal and informal collaborations, the motivations to invent, and the actual use and...