Coordination Failure Diagnostics (CFD) is a model that analyses real market processes with the help of time pattern analysis and investigates whether they operate efficiently. The CFD cartel-audit should enable the detection of cartels via characteristic market process patterns. This is based on...

We demonstrate that the popular Farrell-Shapiro-framework (FSF) for the analysis of mergers in oligopolies relies regarding its policy conclusions sensitively on the assumption that rational agents will only propose privately profitable mergers. If this assumption held, a positive external...

Im Internet erfreut sich ein Geschäftsmodell erheblicher Beliebtheit, bei welchem den Nut-zern Dienstleistungen oder Inhalte (in traditionellen Geldeinheiten) unentgeltlich zur Verfügung gestellt werden und stattdessen die auf dem Wege der Nutzung durch die Nutzer (bewusst oder unbewusst)...

We demonstrate that the popular Farrell-Shapiro-framework (FSF) for the analysis of mergers in oligopolies relies regarding its policy conclusions sensitively on the assumption that rational agents will only propose privately profitable mergers. If this assumption held, a positive external...

Coordination Failure Diagnostics (CFD) is a model that analyses real market processes with the help of time pattern analysis and investigates whether they operate efficiently. The CFD cartel-audit should enable the detection of cartels via characteristic market process patterns. This is based on...

Im Internet erfreut sich ein Geschäftsmodell erheblicher Beliebtheit, bei welchem den Nut-zern Dienstleistungen oder Inhalte (in traditionellen Geldeinheiten) unentgeltlich zur Verfügung gestellt werden und stattdessen die auf dem Wege der Nutzung durch die Nutzer (bewusst oder unbewusst)...

Coordination Failure Diagnostics (CFD) is a model that analyses real market processes with the help of time pattern analysis and investigates whether they operate efficiently. The CFD cartel-audit should enable the detection of cartels via characteristic market process patterns. This is based on...

A cartel is socially not desirable. But is it a normative problem? And has merger control reason to be concerned about tacit collusion? Neither is evident once one has seen that the members of a cartel face a problem of strategic interaction. It is routinely analysed in terms of game theory....

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 advantages and...