differences in efficiency of regional innovation systems can be explained by differences in R&D-cooperation behavior. …

path-dependent, and investigate the geographical scope of knowledge spillovers. Using data for West-German regions, two … researchers. With patents as indicator the path-dependence hypothesis is rejected, and knowledge spillovers from neighboring …-dependence, and the relevance of interregional knowledge spillovers. Several extensions and refinements are discussed which may help …

knowledge spillovers are unmeasurable, a 'goodness of fit' measure is constructed using innovation survey data. It turns out … that measures of the uncentered correlation of firm characteristics seem to fit actual knowledge spillovers best. Direct …

-cooperating firms if spillovers are sufficiently large. The degree of market competition is a key determinant of the effects of research … cooperation on research efforts, implying that existing models which assume perfect competition might be too restrictive. …

the Third Community Innovation Survey from Germany, we focus on the role of spillovers in explaining R&D cooperation. We …This paper analyzes the determinants of R&D co-operation among German manufacturing firms. Using firm level data from … two-step estimation procedure, we find a positive effect of knowledge flows on the probability of R&D co-operation in most …

an empirical part that analyses the relationship between R&D Co-operation and knowledge spillovers with regression …The topic of the dissertation is the relationship between knowledge spillovers and firms' likelihood to co-operate on R …