Despite a general trend of lower charges for mobile calls, in Europe prices for international roaming calls have remained at levels surprisingly high. The apparent reluctance of mobile network operators to lower roaming tariffs is generating many antitrust concerns. This paper presents in a two...

Network shares and retail prices are not symmetric in the telecommunications market with multiple bottlenecks which give rise to new questions of access fee regulation. In this paper we consider a model with two types of asymmetry arising from different entry timing, i.e. a larger reputation for...

The European Union adopted a Roaming Regulation (717/2007) in 2007, then extended its duration and widened its scope (544/2009) in 2009. In 2006, the European Commission held two consultations on a possible regulation. It made a formal legislative proposal in July 2006, to implement wholesale...

The persistence of high prices for international mobile roaming has been part of the global regulatory agenda for half a decade. In Africa, there have been studies but, as yet, no regulatory action. Yet, the initiative of one large operator has seen the introduction of trans-national tariffs...

Network shares and retail prices are not symmetric in the telecommunications market with multiple bottlenecks which give rise to new questions of access fee regulation. In this paper we consider a model with two types of asymmetry arising from different entry timing, i.e. a larger reputation for...