neighbors in the social network. The same activities often exert externalities that cumulate in "stocks" affecting agents … network of social relations, as agents display strategic substitution with distance-two neighbors. We show that behavior is … behavior and key-players tend to move to the periphery of the network, and we discuss the effect of close-knit communities and …

In all empirical-network studies, the observed properties of economic networks are informative only if compared with a … network) that are unrealistic for most economic networks like the World Trade Web (WTW). In this paper we study the evolution … of the WTW using a recently-proposed family of null network models. The method allows to analytically obtain the expected …

We study the endogenous network formation of bilateral and multilateral trade agreements by means of hypergraphs and …

We introduce a simple two-stage game of endogenous network formation and information sharing for reasoning about the … then we study how the network design and the utility specifications affect welfare. Surprisingly, we find that in general … "babblers" or "friends", irrespective of whether the network is unilateral or bilateral, in equilibrium, targeted information …

We propose a random network model incorporating heterogeneity of agents and a continuous notion of homophily. Unlike … equality of agents. We show that if links between similar agents are indeed more likely, our homophilous random network model … social network. …

respect to their network position while their names do not matter. Existence of certain stable network structures is then … empty or complete network are always pairwise stable, stable symmetric networks exist, or stable networks with a connected … pairwise stable network is an NSG if utility is given by Bonacich centrality. …

review is on studies that use network analysis paying special attention to those that apply complex analysis techniques …

network structure and we examine equilibrium selection. Specifically, actions are either strategic substitutes or strategic … complements, and participants have either complete or incomplete information about the structure of a random network. Since … for reduced exposure to loss, and 2) uncertainty about the network structure makes it considerably more difficult to …