socially efficient level. We analyze the situation when the tragedy of the commons is embedded in a network of users and … exists a unique equilibrium. But when the users have concave values, the network structure matters. The exploitation at each … formula which expresses the quantities at an equilibrium as a function of a network centrality measure. Next we characterize …

We consider a model of network interactions where the outcome of a unit depends on the outcomes of the connected units …. We determine the key network link, i.e., the network link whose removal results in the largest reduction in the aggregate … outcomes, and provide a measure that quantifies the contribution of a network link to the aggregate outcomes, which complements …