Identifying the boundaries of a market belongs to the important practices in most areas of antitrust and competition policy. While they are established practices for market definition and delineation, dynamic processes of competition and the new phenomenon of (digital) ecosystems of markets...

Motivated by the recent increase in bank mergers, this paper examines the performance of German cooperative banks that merged between 2014 and 2019. We are particularly interested in whether elevated merger rates are due to bank inefficiencies or to challenging policy measures such as...