This is a survey of the economic principles that underlie antitrust law and how those principles relate to competition policy. We address four core subject areas: market power, collusion, mergers between competitors, and monopolization. In each area, we select the most relevant portions of...

Die 10. Novelle des Gesetzes gegen Wettbewerbsbeschränkungen („GWB-Digitalisierungsgesetz“) soll die deutschen Wettbewerbsregeln so reformieren, dass sie einen geeigneten Ordnungsrahmen für eine zunehmend digitalisierte Wirtschaft darstellen. Im vorliegenden Beitrag diskutieren wir den...

This paper argues that a cable operator with sufficient market power in the downstream multi-channel video programming distribution (MVPD) market can deny access to unaffiliated programmers, resulting in an upstream programming rival's exit or impaired dynamic efficiency. Further, market...

Market concentration often leads to unnecessarily high prices and reduced innovation. European merger control positively affects competition and productivity, though not yet perfectly effectively. In times of increased market concentration, merger control needs to be enforced even more...

Der Deal der beiden größten deutschen Energielieferanten RWE und E.ON zum Tausch verschiedener Geschäftseinheiten, welcher Mitte September 2019 genehmigt wurde, wird den deutschen Energiemarkt wesentlich umstrukturieren und sowohl im Bereich Erzeugung als auch im Vertrieb zu jeweils einem...

Distribution cartels in the automotive sector used to be frequently dismantled and sanctioned by the European Commission and the EU Courts still some 15 years ago. In recent years, however, only a few cases have been reported at the national level of EU Member States. Is it because the...

This chapter analyzes the private rationale and the social costs and benefits of market foreclosure, here defined as a firm's restriction of output in one market through the use of market power in another market. The chapter first focuses on vertical foreclosure (in which full access to a...