Recent analyses of social networks, both empirical and theoretical, are discussed, with a focus on how social networks … influence economic behavior, as well as how social networks form. Some challenges of such research are discussed as are some of …

, and we compare two networks of agents that are identical except that one group starts with a worse wage status, then that …

We investigate the role of networks of military alliances in preventing or encouraging wars between groups of countries …, we show that there do not exist any networks that are stable against the addition and deletion of alliances. We then show …

We examine the formation of networks among a set of players whose payoffs depend on the structure of the network. We … links. We characterize the networks that are supported under these variations and show how each of the above aspects is …

alternative network structures (not just sub-networks) can and should influence the allocation of value among players on any given …

We examine the dynamic formation and stochastic evolution of networks connecting individuals whose payoffs from an … a process creates a sequence of networks that we call an 'improving path'. The changes made along an improving path make … the individuals, who added or deleted the relevant link(s) at each date, better off. Such sequences of networks can cycle …