ignorance if telephone numbers no longer identify networks. As a result, while fostering competition for mobile customers, MNP … carrier identification affect these findings. -- number portability ; switching costs ; telecommunications ; network … competition …

This article analyzes competition between two asymmetric networks, an incumbent and a new entrant. Networks compete in …

We develop a model of international roaming in which mobile network operators (MNOs) compete both on the wholesale … market to sell roaming services to foreign operators and on the retail market for subscribers. The operators own a network … services provided by foreign MNOs. We show that in absence of international alliances and capacity restrictions, competition …

strikes. The results are in line with insights from a network model with imperfect information and strategic complementarities …