Thresholds defined on the level and change in the HHI (Herfindahl-Hirschmann Index) applied to market shares seem to be the main instrument to select notified mergers for investigation in both the EU and US. We question the use of such a selection rule in differentiated products industries. We...

The last couple of years have seen an increasing interest in critical loss analysis, both, in academia and in practice. This development is documented by various research papers, high-level exchanges between antitrust experts as well as an increasing number of case decisions which make use of...

Kann eine Wettbewerbsbeschränkung Effizienzziele verfolgen? Diese Frage beantwortet der Autor mit einem deutlichen "Nein!". Ob eine Wettbewerbsbeschränkung vorliegt, eine marktbeherrschende Stellung missbraucht wird oder der Wettbewerb im Gemeinsamen Markt im Sinne der...