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

transition from dissortative to assortative networks. This effect can shed light on the distinction between technological and … social networks as it gives a simple mechanism explaining how and why this transition occurs. …

We provide an overview on networks in economics. We first look at the theoretical aspects of network economics using a … game-theoretical approach. We derive some results on games on networks and network formation. We also study what happens … empirical-relevant questions by mainly focusing on labor-market networks and crime networks. We provide some empirical evidence …

We analyze delinquent networks of adolescents in the United States. We develop a dynamic network formation model …

In this chapter, we provide an overview on the literature on key players in networks. We first introduce the … then examine the empirical tests of the key-player policies for criminal networks, education, R&D networks, financial … networks and diffusion of microfinance. We show that implementing such a policy outperforms other standard policies such as …