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 infrastructure only in their home country. To allow their...

The telecommunication sector within the European Union is facing fundamental changes, both because of global developments such as the introduction of OTT services and because of the hurdles along the way towards the transition to a European Digital Single Market. In this unified market many...

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 infrastructure only in their home country. To allow their...