the network structure in a data set of collaborating economists. While we find support for the hypothesis of transitivity …

) 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 …

neighbors in the social network. The same activities often exert externalities that cumulate in "stocks" affecting agents …, for instance, care about their friends' health). In such contexts, the patterns of strategic interaction differ from the … network of social relations, as agents display strategic substitution with distance-two neighbors. We show that behavior is …