part is a longitudinal study of 49 inter-organisational innovation groups in Germany. We find that the share of regional …In the literature there is a controversy about the relevance of the spatial dimension in innovation collaboration. We … innovation projects. To this end, we introduce a social-psychological approach to the field of economic geography. The empirical …

costs. Research therefore repeatedly stressed the positive relationship between collaborative R&D and innovation performance … terms of gains for innovation performance, but also show that collaboration has decreasing and even negative returns on … product innovation if its intensity increases above a certain threshold. In particular, costs start outweighing benefits if a …