Digitale Märkte weisen starke Konzentrationstendenzen und eine Entwicklung zu immer stärker verzahnten, sich verschließenden Ökosystemen auf. In dieser Studie wird (ein Mangel an) Interoperabilität (IOP) als mögliche Ursache oder Treiber solcher Konzentrationstendenzen beleuchtet und der...

Zero rating and sponsored data have recently been introduced as new tari↵ 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....

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....

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...

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...