The European Commission has proposed a new regulatory tool for the governance of digital markets. The Digital Markets Act (DMA) intents to limit the market behavior of so-called gatekeeper companies to ensure contestable and fair digital markets. We review the provisions of the DMA both from a...

The European Commission has proposed a new regulatory tool for the governance of digital markets. The Digital Markets Act (DMA) intents to limit the market behavior of socalled gatekeeper companies to ensure contestable and fair digital markets. We review the provisions of the DMA both from a...

The ubiquitous process of digitization changes economic competition on markets in several ways and leads to the emergence of new business models. The increasing roles of digital platforms as well as data-driven markets represent two relevant examples. These developments challenge competition...

The paper analyses the economics behind algorithmic search and recommender services, based upon personalized user data. Such services play a paramount role for online services such as marketplaces (e.g. Amazon), audio streaming (e.g. Spotify), video streaming (e.g. Netflix, YouTube), app stores,...

The ministerial proposal for a 10th amendment of the German competition law particularly addresses abuse control and seeks to tighten this pillar of competition policy against the background of the challenges from the digital economy. Next to extending the classic policy instruments of abuse...

In this paper, we comment on the debate about guidelines for Art. 102 TFEU in the face of the challenges brought by digital ecosystems and abuse of dominance in related markets. We take the perspective of dynamic competition economics and derive four recommendations for the future enforcement of...

The paper applies economic theories to give an overview of the emerging phenomenon of digital personal assistants (DPAs). A DPA is an intelligent automated system that interacts with the user through a dialogue in natural language, and meanwhile applying third-party services to obtain...

The importance of digital platforms and related data-driven business models is ever increasing and poses challenges for the workability of competition in the respective markets (tendencies towards dominant platforms, paying-with-data instead of traditional money, privacy concerns, etc.). Due to...