The more economic approach of European competition policy entails the implementation of a new (normative) conceptual approach of antitrust policy: decisions become more strongly focused on short-run and quantifiable price and quantity effects. This paper contributes to the widespread discussion...

Standard analysis of mergers in oligopolies along the lines of the popular Farrell-Shapiro Framework (FSF) relies, regarding its policy conclusions, on the assumption that rational agents will only propose privately profitable mergers. If this assumption were held, a positive external effect of...