, connections increase over time, but homophily on gender and ethnicity is relatively constant across time, university residences …, and different network layers. At the individual level, homophilous tendencies are persistent across time and network … layers. Furthermore, we see assortativity in homophilous tendencies. There is weaker, albeit significant, homophily over …

, I provide a proposition that generalizes the results of these two models by stating that: (i) Strict Nash network … network as in Billand et al (2011). This proposition requires that a certain restriction on link formation cost (called …

efficient network maximizing social welfare, and find that the efficient graph is either empty, complete or shows a strong core … counterfactual analyses, taking into account that the network and production can dynamically adjust to shocks or policy interventions ….6%. Our study further reveals that when ignoring the network structure the impact of firm exit or mergers is significantly …

paper continues on the work of Galeotti, Goyal and Kamphorst (2003). In their paper they investigate a model of network …

) embedded in a network have to decide how much effort they exert in some activity (say education). We show that the more central … minority agents are in the social network, the more they assimilate to the majority culture. We also show that denser networks … tend to favor assimilation so that, for example, it is easier to assimilate in a complete network than in a star …