taking an (irreversible) action. We define \textit{asymptotic learning} as the fraction of agents taking the correct action … converging to one as a society grows large. Under truthful communication, we show that asymptotic learning occurs if (and under … ``information hubs'', which receive and distribute a large amount of information. Asymptotic learning therefore requires information …

We study the (perfect Bayesian) equilibrium of a model of learning over a general social network. Each individual … receives a signal about the underlying state of the world, observes the past actions of a stochastically-generated neighborhood … characterize the conditions under which there will be asymptotic learning|that is, the conditions under which, as the social …

and non-Bayesian models of social learning and focus on the implications of the form of learning (e.g., Bayesian vs. non … individuals are situated on three key questions: (1) whether social learning will lead to consensus, i.e., to agreement among … individuals starting with different views; (2) whether social learning will effectively aggregate dispersed information and thus …