Haucap, Justus; Heimeshoff, Ulrich; Stühmeier, Torben - In: Zeitschrift für Wirtschaftspolitik 60 (2011) 2, pp. 240-268
Abstract This paper studies competition in the German market for mobile telecommunications, motivated by recent suggestions that T-Mobile and Vodafone possess a position of collective dominance. Allegedly, their position of joint dominance is secured through a combination of first-mover...