Empirical work shows that a large majority of individuals get most of their information from a very small subset of the group, viz., the influencers; moreover, there exist only minor differences between the observable characteristics of the influencers and the others. We refer to these empirical...

In contexts ranging from public goods provision to information collection, a player's well-being depends on his or her own action as well as on the actions taken by his or her neighbours. We provide a framework to analyse such strategic interactions when neighbourhood structure, modelled in...

Abstract The aim of the special issue is to explore open problems at the frontier of the Economics of Social Networks. The papers in this special issue range across pure and applied theory and empirical investigations, and in this they reflect the richness of on-going research in the economics...