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...

Dominant or apparently dominant internet platform increasingly become subject to both antitrust investigations and further-reaching political calls for regulation. While Google is currently in the focus of the discussion, the next candidate is already on the horizon - the ubiquitous online...

Following the FCC Notice of proposed Rulemaking and the request for public comments a lively debate on how to protect the open Internet ensued and has now been closed by the approval of strong net neutrality rules by the FCC. This paper discusses the economic merit of alternative forms of...

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 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...

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)...

Zusammenfassung: 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...

This essay discusses two immanent challenges for competition policy in online e-commerce markets: the platform character and the role of personalized data. Both phenomena are briefly described from an economic perspective (section 2 and 3) with a focus on how they affect and change competition...

Der Beitrag liefert eine kritische Würdigung der geplanten europäischen Regulierung digitaler Onlinedienste - Digital Markets Act (DMA) und Digital Services Act (DAS) - aus medienökonomischer Perspektive. Dabei werden Schwerpunkte auf Gatekeeper-Effekte und die Rolle von algorithmischen Such-...

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...