neighbors in the social network. The same activities often exert externalities that cumulate in "stocks" affecting agents … network of social relations, as agents display strategic substitution with distance-two neighbors. We show that behavior is … behavior and key-players tend to move to the periphery of the network, and we discuss the effect of close-knit communities and …

A large literature has studied how peers affect behavior by exploiting the preexisting social network structure only … unique panel dataset that contains detailed information on the network of informal financial transactions before and after a … field experiment that randomized access to savings accounts in Nepal. First, we show that the intervention affects the …