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...

Digitale Plattformen und Geschäftsmodelle stellen ein Kernelement der heutigen Internetökonomie dar. Mit der Entwicklung von großen Internetkonzernen wird das Internet zunehmend zentralistischer. Endanwender werden dabei immer stärker in die Ökosysteme einzelner großer Anbieter eingebunden...

In this paper, we analyze how wholesale access fees of a crucial input can be utilized to influence demands for products of different technologies and the deployment sequence between an incumbent and entrant firm. In a setting of multi-product competition with horizontally differentiated...

Digital platforms and data-driven business models have become integral to today's internet economy. Large technology companies like Apple, Google, Amazon and Microsoft exert control over access to online content, products, services and social interactions through their digital ecosystems and...

Digitale Plattformen und datengesteuerte Geschäftsmodelle sind zu einem festen Bestandteil der heutigen Internetwirtschaft geworden. Große Technologieunternehmen wie Apple, Google, Amazon und Microsoft üben durch ihre digitalen Ökosysteme und die damit verbundene GatekeepingMacht die...

Zero rating and sponsored data have recently been introduced as new tariff options in mobile telecommunications markets. Both practices exempt data traffic of specific Internet services from an Internet user's download limit and thus allow for unlimited consumption of the respective content....