among sellers. In dense networks, competition limits the scope of indirect appropriability and intellectual property rights …

about node-players' information and is necessary for Nash equilibrium and for pairwise stability. Second, efficient networks …

We analyze the formation of partnerships in social networks. Players need favors at random times and ask their …

In a general model of trading networks with bilateral contracts, we propose a suitably adapted chain stability concept … special case of trading networks with transferable utility, an outcome is consistent with competitive equilibrium if and only …

We develop a dynamic network formation model that can explain the observed nestedness in real-world networks. Links are … identify the networks to which the network formation process converges and find that they are nested split graphs. We … completely determine the topological properties of the stochastically stable networks and show that they match features exhibited …

determines the structures of networks. In our model, agents are endowed with their own multidimensional characteristics and their … stable networks, and analyze how they are related to the way agents measure social distances. The model predicts the small …-formation costs, the model also accommodates other well documented empirical patterns of social networks such as skewed degree …

that in this most general version of the connections model, the only possibly non-empty efficient networks, in the sense of …