We study a two-sided market where a platform attracts firms selling differentiated products and buyers interested in those products. In the subgame perfect equilibrium of the game, the platform fully internalises the network externalities present in the market and firms and consumers all...

Abstract A firm wishes to inform a community of individuals about its product. Information travels within the community because of the social interactions between individuals. We establish that social interactions appear in a firm's payoff as a network multiplier, which is increasing both in the...

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...

'The Oxford Handbook of the Economics of Networks' represents the frontier of research into how and why networks they form, how they influence behavior, how they help govern outcomes in an interactive world, and how they shape collective decision making, opinion formation, and diffusion...