Our understanding of innovation processes has dramatically changed over the past
decades. Interactive models of innovation, differing significantly from the linear approach,
now emphasize both the importance of networking activities both within and across firms,
and the centrality of knowledge spillovers which lie at the root of the formation of networks.
The study of knowledge spillovers has become a major focus of research on innovative
networks in recent years. Part of this research tradition can be traced back to the early work …