Regulators have long been aware of the social aspects of communication. In the past, regulated monopolists have provided Universal Service Obligations, typically funded via a systeme of cross-subsidies. In this paper, we first review the rationale for imposing Universal Service Obligations,...

Mobile telephony is described as a two-sided market where customers are seen as senders and receivers of communications that are mutually beneficial both to callers and receivers. This has implications in terms of market definition and market power. The economics of mobile call termination is...

Central features of today's electronic communications markets are complementarities between the different layers of the value chain, substitutability between some applications, network effects in the provision of content and services, two-sided business models that partly involve indirect...