analysis with evidence on innovation slowdown trends, looking at aggregate and compositional trends. We explore the innovation … occurrence. Eventually, we relate productivity and innovation slowdowns deriving tables of trends co-movements, weighted by input …

knowledge spillovers, especially those occurring at the national level. Wind and solar technologies exhibit distinct innovation … innovative activity with a special emphasis on the role of knowledge spillovers. We investigate two major renewable energy … technologies or sectors (inter-sectoral spillovers), or at the international level. We find that innovation is strongly driven by …

contexts when knowledge is novel and the innovation endeavor is more radical while this effect is less pronounced for projects …The role of geographical proximity in fostering connections and knowledge flows between innovative actors ranks among … the most controversial themes in the research of innovation systems, regional networks and new economic geography. While …