In this paper we test the celebrated `Strength of weak ties' theory of Granovetter (1973). We test two hypotheses on … the network structure in a data set of collaborating economists. While we find support for the hypothesis of transitivity …

We study two n-player sequential network formation games with externalities. Link formation is tied to simultaneous …. -- Efficiency ; Bargaining Protocol ; Counterproposals ; Network Formation ; Transfers ; Externalities ; Groups ; Coalitions …

The aim of this paper is to present the network connections between enterprises, i.e. all connections (formal and …. Remaining in an innovation network has a lot of potential advantages regarding an innovation process: access to a bigger …: definitions of networks, types of networks, creating networks and network functioning, an example of a successful and unsuccessful …

We explore network effects on generosity for different network dimensions. To this end we elicit multiple network … matters for friendship ties but that structural network variables are important in all network dimensions. Importantly, these … effects are not invariant across different network dimensions. We also find that individual characteristics are unrelated with …

A symmetric network consists of a set of positions and a set of bilateral links between these positions. Examples of … symmetric network we define a cooperative transferable utility game that measures the power of each coalition of positions in … the network. Applying the Shapley value to this game yields a network power measure, the beta-measure, which reflects the …