clusters, even beyond spatial social networks. In the case of high-tech clusters: which is the type of interactions occurring … in clusters when there is a manifested lack of local social networks? Results suggest that under analytical (versus …

new form. We propose a new approach to the world migration phenomenon as two complex directed networks (immigration and … reliable data and statistics. Here we analyze the migration networks of 216 destination and source countries and territories …

described as: (1) integrated in formal and informal networks; (2) hindered or eased by these linkages; and (3) shaped by the … opportunities (idea recognition, experience, finance etc.) within these networks. The academia produces new knowledge that through … role of networks for academic entrepreneurship. It also untangles a web of formal support systems and informal …

their endogenous features, improving the optimization of investments in transport networks and the infrastructure that …