paper builds upon recent studies in economic geography and relational proximities, and aims to study whether physical … distance survives in virtual geography even after controlling for relational proximities. In order to do so, a unique and … proximities, have a significant impact on the intensity of the Internet infrastructure, highlighting the spatiality of the …

We develop a model of strategic networks that captures two distinctive features of interfirm collaboration: bilateral … to invest in R&D, and the architecture of collaboration networks. In the absence of firm rivalry, the complete network …, under strong market rivalry the complete network is stable, but intermediate levels of collaboration and asymmetric networks …

into account the potential externalities networks produce. Once social ties are in place, these externalities shape the … norms are easily sustained in symmetric networks. By contrast, when an efficient interaction requires players to play …

equilibria consumers search less frequently in denser networks. Finally, when search costs are low the expected price and the …