peer, neighborhood and network effects and the policy implications of integrating the social and the geographical space …

We analyze a model of network formation with agents that belong to different communities and an endogenous cost … connection decrease with distance in the network, while the cost of a link depends on the type of agents involved in it as well … individual positions in the network. We derive a number of results with regard to equilibrium networks: (i) socialization among …

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

targeting a set of network nodes that are optimally positioned to quickly diffuse information, attitudes, behaviors or goods. We … targeting the most active agents in a network. …

who are most central in a network according to "diffusion centrality", which nests other standard centrality measures … diffusion central (not just those with many friends). Moreover, these nominees are more central in the network than traditional …

We develop a network model looking at the role of different types of peers in education. The empirical salience of the …

demographic and social network data in 43 villages in South India before microfinance was introduced in those villages and then … tracked eventual participation. We exploit exogenous variation in the importance (in a network sense) of the people who were …

once removed generates the highest reduction in total crime in the network. We generalize the intercentrality measure …