Die Rolle sogenannter Gatekeeper in der digitalen Medienwelt wird aktuell sowohl in Wissenschaftskreisen als auch Netz- und Medienpolitik vehement und kontrovers diskutiert. Gehen von den Gatekeepern der digitalen Welt wie Google, Apple, Youtube, Facebook, Twitter etc. besondere Gefahren fur den...

This paper argues against the rapid implementation of capacity mechanisms in Germany. There is no systematic, non-temporary market failure in the German wholesale electricity market which could justify such a Government intervention. Neither the low elasticity of demand nor debatable public good...

This paper summarizes the peculiarities of online markets and discusses recent antitrust cases related to online markets. Following a brief description of the online markets' characteristics and potential tendencies for concentration the paper first discusses the antitrust allegations and...