In this paper we study the conditions under which efficient behavior can spread from a finite initial seed group to an infinite population living on a network. We formulate conditions on payoffs and network structure under which overall contagion occurs in arbitrary regular networks. Central in...

This paper presents an economic model of R&D network formation through the creation of strategic alliances. Firms are randomly endowed with knowledge elements. They base their alliance decisions purely on the technological fit of potential part- ners, ignoring social capital considerations and...

À l’origine de cette thèse se trouve la question suivante : « Qu’est-ce qui rend possible et justifie que les licenciements économiques soient de plus en plus nombreux dans les entreprises en bonne santé ? » Autrement dit : « en quoi les décisions de licenciement sont-elles des...

Network formation is often said to be driven by social capital considerations. A typical pattern observed in the empirical data on strategic alliances is that of small world networks: dense subgroups of firms interconnected by (few) clique-spanning ties. The typical argument is that there is...