This paper investigates the possible presence of three problems in regional innovation systems (RIS): intermediation, reciprocity and compatibility. Based on firm data gathered for three different regions, Northern Hesse, Jena and Sophia Antipolis, we can show that a low propensity to cooperate...

The literature on "Innovation Systems" is divided into several directories. Dif- ferences occur through the definition of the system's borders. This paper intro- duces a methodology how to differentiate between regional and technological effects of cooperative innovation activities and analyzes...

This work deals with the determinants of cooperative invention and innovation within innovation systems. Several proximity dimensions are used to identify the levels on which systemic innovation activities can be observed. To disentangle the effects of different proximity dimensions a procedure...