well as for the identity of the key player. We study the possibility of testing endogeneity in network formation. We … analysis suggests that greater care should be taken in grounding econometric network models to sound and credible theoretical …

their connections within the organized crime network, I estimate network effects on gangsters' economic status. Lacking … causality between the economic status and the gangster's position in the network exploiting exogenous exposure to potential pre … gangsters' importance in- side the network (called centrality) but not the preference for specific housing needs. A standard …

are more central in the social network, or are located closer to the geographic center of interaction, choose higher … density of links in the social network and with the degree to which agents are clustered in physical space. When agents can … choose geographic locations, there is a tendency for those who are more central in the social network to locate closer to the …

network formation. While the physics/applied mathematics approach is capable of reproducing most observed networks, it does …

-in-means model where each individual has his own specific reference group. Interactions are thus structured through a social network … exogenous effects are generally identified under network interaction, although identification may fail for some particular … structures. Monte Carlo simulations provide an analysis of the effects of some crucial characteristics of a network (i …

When workers send applications to vacancies they create a network. Frictions arise because workers typically do not … friction affects network formation, while the second coordination friction affects network clearing. We show that those … that can arise and the number of matches on a given network. Equilibria that exhibit wage dispersion are inefficient in …

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 …

networks. These results imply that social network considerations might be important for fertility decisions. …