Recent experiments show that public goods can be provided at high levels when mutual monitoring and costly punishment are allowed. All these experiments, however, study monitoring and punishment in a setting where all agents can monitor and punish each other (i.e., in a complete network). The...

Social learning is the process of individuals learning by observing the actions of others. One odd aspect of the literature on social learning though is that, ironically, learning is not very social because in the real world, although people learn by observing the actions of others, they also...