This paper examines the causes and effects of mobile number portability (MNP) and provides a survey of its implementation in Europe. We first examine the competitive effects and the costs of introducing MNP. Next, we discuss how to charge for MNP. We argue that a price cap regime starting from...

We aim to clarify the role of access charges under two-way network competition, employing a reduced-form approach. Retaining the key features of specific network competition models but imposing less structure, we analyze the impact of changes in access charges on linear and non-linear retail...

This paper examines the determinants of mergers and bankruptcies, using firm level data from the Swiss Business Census and the Dun & Bradstreet exit database for Switzerland (1995-2000). Employing duration analysis, we find considerable differences in the determinants of mergers and...