We discuss and evaluate recent developments and the debate in merger control in the digital markets. Our focus is on the so called 'killer acquisitions' that refer to situations in which a dominant firm acquires smaller start-up rivals with the alleged intention to eliminate potential future...

The analysis of unilateral effects in horizontal mergers — especially on markets for differentiated goods — can take into consideration the extent to which the merging firms are close competitors. The elimination of a close competitor can result in an upward pricing pressure (UPP) on the...

Should internet era merger policy differ from industrial era merger policy? Platform ecosystems rely on economies of scale, data-driven economies of scope, high-quality algorithmic systems, and strong network effects that frequently promote winner-take-most markets. Their market dominance has...