This paper investigates the impacts of the current roaming rules on domestic competition and welfare. We consider a model for two countries in which each country has two operators that compete in the retail market for access services and also in the wholesale market for roaming. We first derive...

This paper presents an empirical study of the impacts of mobile termination rate (MTR) regulation on European mobile operator performance. It examines the effects of both glide path and asymmetric regulation on incumbents as well as new entrants to this market using a dynamic econometric model...

This chapter provides a simple theoretical framework to analyze optimal provision of quality-of-service of the internet by a monopolistic internet service provider (ISP) in the presence of vertical integration. There are two vertically differentiated content providers (CPs), and one of them is...

Facebook and Google and other internet giants are multisided markets (MSM). The user-side of the market, prices are zero - "free." On the other side of the market, Facebook's and Google's revenues are derived from advertising which appears when the users click on advertisers' web sites. They can...