We investigate the strategic impact of flexible delivery frequencies on the competition of logistics service providers (LSPs) in a supply chain. LSPs compete for customers who choose an exclusive service provider based on their individual preference, prices and inventory costs. The service...

We study departures from network neutrality through implementing a Quality of Service tiering regime in which an ISP charges for prioritization on a non-discriminatory basis. We find that Quality of Service tiering may be more efficient in the short run, because it better allocates the existing...

During the last two decades, bundling has become a hot topic for Industrial Organization economists, mainly as a result of legal actions against Microsoft (Crampes and Hollander 2007). In this spirit, the literature has thus far focused on asymmetric settings where one firm holds a monopoly for...

Net neutrality is believed to prevent the emergence of exclusive online content which yields Internet fragmentation. We examine the relationship between net neutrality regulation and Internet fragmentation in a game-theoretic model that considers the interplay be- tween termination fees,...

Algorithmic learning gives rise to a data-driven network effects, which allow a dominant platform to reinforce its dominant market position. Data-driven network effects can also spill over to related markets and thereby allow to leverage a dominant position. This has led policymakers to propose...

In an effort to ensure contestability and competition in digital markets, policymakers worldwide discuss whether interoperability obligations are an appropriate regulatory tool to achieve these goals. In particular, horizontal interoperability obligations have been proposed for messenger...

The long tail phenomenon has been heavily discussed in recent years. What has been neglected so far is its striking relevance for electronic services. Whereas consumers expectations about information goods are often vague and transient, their requirements are pronounced and specific when it...

The Digital Markets Act (DMA) entered into force on 1 November 2022 and its rules will apply from 2 May 2023. The Commission should designate, for the first time, the gatekeepers subjected to the rules by September 2023 at the latest, and those platforms should comply with prohibitions and...

We consider a two-sided market model with a monopolistic Internet Service Provider (ISP), network congestion sensitive content providers (CPs), and Internet customers in order to study the impact of Quality-of-Service (QoS) tiering on service innovation, broadband investments, and welfare in...

Im Datenkapitalismus sind neue Kommunikationsunternehmen entstanden, deren Angebot als 'umsonst' erscheint. Ihr Geschäftsmodell basiert darauf, dass die Nutzer (Kunden) ihre Daten preisgeben und dafür entweder ein nachgefragtes Gut (Kommunikation, Medien, Waren und Dienstleistungen) ohne oder...