The use of traditional industry-level profitability indicators for assessing the state of competition is problematic … for two reasons. First, short-term variation reflects business cycles more than it does the impact of competition policy …. Second, rough industry-level indicators hide different mechanisms that are dependent on competition but may affect …

-based competition. Moreover, we find evidence of a regulatory commitment problem: higher incumbents' investments encourage provision of …

This paper analyzes how competition works in mobile telecommuncations markets and, bases on this analysis, we discuss … understanding competition in mobile telephony, is the fact that building a mobile telephone network requires highly specific … interconnection and fixed-to-mobile termination may give rise to competition problems. As we argue in this paper, closer analysis …

Wettbewerb zu ermöglichen bzw. zu stärken, damit die neuen technologischen und ökonomischen Potentiale zum Wohle der … developments in technology and on the markets. The common goal pursued by regulation is to open or strengthen competition in order …

market economies. The primary focus of the study is on competition and market structure, finance and the structure of lending … interpretation of the evidence on competition is that there is an initial move by firms into niches to exploit local market power …