borne but rather develop: in treatments with a high-value agent, the network's centrality, stability, and efficiency all …This paper reports the results of a laboratory experiment on network formation among heterogeneous agents. The … experimental design extends the basic Bala-Goyal (2000) model of network formation with decay and two-way flow of benefits by …

gangsters' importance in- side the network (called centrality) but not the preference for specific housing needs. A standard … 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 …

A large literature has studied how peers affect behavior by exploiting the preexisting social network structure only …. What if networks rewire in response to changes in the economic environment, such as a randomized intervention? We exploit a … unique panel dataset that contains detailed information on the network of informal financial transactions before and after a …

-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 …

friendship networks in the United States. We find that, for religious parents, the higher is the fraction of religious peers, the …

migrants form social links among them and the extent to which this network provides them with material support along three …

network formation. While the physics/applied mathematics approach is capable of reproducing most observed networks, it does …We survey the literature on social networks by putting together the economics, sociological and physics … not explain why they emerge. On the contrary, the economics approach is very precise in explaining why networks emerge but …

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 … networks, such as connectivity, clustering, and the degree of the players, help to predict informed behavior in the lab. People …