The article studies the intensity of usage of VoIP, analysing individual data on a sample of UK consumers collected by OFCOM in 2006. In particular, it examines the role of firms' strategies in affecting the intensity of usage and the degree of substitution/complementarity between VoIP and other...

The development of Internet technologies and personalized advertising has amplified public concern about privacy, but there is little empirical analysis of how firms exploit personal data. This article investigates how website performance, measured by web audience, is affected by intrusions into...

This paper investigates the importance that consumers assign to local network effects, i.e. the extent to which they take account of their contacts' mobile operators when choosing a provider for themselves. The authors identify individual characteristics that affect the importance consumers...

This paper aims at discussing the entry process and competitive strategies of MVNOs in Italy and France. It illustrates the features of competition in a sector – the mobile telecom service industry – which is characterized by market saturation and demand heterogeneity. In doing so, it looks...