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...

This chapter provides an overview of the economics of influencers and social media stardom. It provides the state-of-research regarding success factors, revenue and payment models, social media platforms and ecosystems, and welfare effects. It describes the role of social media content providers...

Der vorliegende Beitrag betrachtet die wettbewerbs- und medienökonomischen Eigenschaften und Effekte von algorithmischen Such- und Empfehlungssystemen und ihrer Regulierung. Dabei werden nach einer einführenden Klarstellung des Sinns und der Notwendigkeit solcher Systeme in der digitalen Welt...

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...

We review the economics of superstars, originally developed for stars in traditional media, and discuss whether they are applicable for the (allegedly) novel phenomenon of stars in social media (influencer, micro-celebrities). Moreover, we analyse potentially new factors for creating social...

This paper provides an economic analysis of recent vertical and horizontal mergers in the U.S. industry for audiovisual media content, including the AT&T-Time Warner and the Disney-Fox mergers. Using a theory-driven approach, we examine economic effects of these types of mergers on market...

Im Internet erfreut sich ein Geschäftsmodell erheblicher Beliebtheit, bei welchem den Nut-zern Dienstleistungen oder Inhalte (in traditionellen Geldeinheiten) unentgeltlich zur Verfügung gestellt werden und stattdessen die auf dem Wege der Nutzung durch die Nutzer (bewusst oder unbewusst)...

Die Digitalisierung der Wirtschaftsbeziehungen stellt die Wettbewerbspolitik vor erhebliche Herausforderungen. Um diesen zu begegnen, soll das Gesetz gegen Wettbewerbsbeschränkungen (GWB) mit Hilfe der 9. Novelle fit gemacht werden für das digitale Zeitalter. Der vorliegende Beitrag gibt eine...

The world of audiovisual online markets is rapidly changing. Not long ago, it was dominated by linear television, transmitted terrestrially, through cable networks or via satel-lite. Recently, streaming services like Netflix, YouTube, Amazon Prime and others have emerged as new suppliers of...