Die vorliegende Studie wurde im ifo Arbeitsbereich Branchenforschung erstellt und im Frühjahr 2005 abgeschlossen. Auftraggeber war das Bundesministerium für Wirtschaft und Arbeit. Gegenstand der Studie sind der Stand und die Perspektiven der „New Economy“ in Deutschland sowie ein Vergleich...

In theory, network profits are independent of the reciprocal termination rates when operators charge nondiscriminatory call prices (Laffont, Rey and Tirole, 1998). Additionally, termination rates can be used to subsidize subscriber acquisition cost. This issue is typically known as a "waterbed...

We introduce a model of asymmetric competition where two network operators with different investment costs may build an internet access infrastructure and where a virtual operator provides services through third-party access. We show that the virtual operator requests access from the low cost...

In this paper, we use a unique database on switching between mobile handsets in a sample of about 5,000 subscribers using tariffs without commitment from a single mobile operator on monthly basis between March 2012 and December 2014. We estimate discrete choice model in which we account for...