technologies or sectors (inter-sectoral spillovers), or at the international level. We find that innovation is strongly driven by … knowledge spillovers, especially those occurring at the national level. Wind and solar technologies exhibit distinct innovation … only influential in the case of wind technology. We also find evidence that public R&D stimulates innovation, particularly …

. Though concentrating solar power is receiving growing interest, innovation studies so far have explored innovative activity … more activity - a pattern closely resembling the R&D support path. R&D and innovation are concentrated in few high …-tech countries - such as the U.S. or Germany. Large CSP potential is not a sufficient condition for innovation, only developed …