. Opinion leaders are actors in a society who are able to affect the behavior of other members called followers. Hence, opinion … leaders might have a considerable impact on the behavior of markets and other social agglomerations being made up of … one of the actions. By definition opinion leaders have some power over their followers, and they exercise this power by …

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 …