This paper examines empirically the role of market structure for the influence of spill-over effects on R … spillover effects may even hinder firms from cooperating in R&D when there is intensive competition on the research stage …

This paper examines empirically the theoretical relationship between spillover effects, in the sense of unintended … analysis which has been based on micro-level data, firms tend to form R&D-cooperations to internalise spillover effects. While …&D-cooperations may be expected. Furthermore, the influence of factors which are independent from spillover effects and a comparison of …