Launching and stimulating competition in telecommunications markets is an important policy goal. It contains two elements: to encourage entry and to make competition effective such that consumers benefit. The first one requires that entrants can make profits after investing in infrastructure so...

"Policy makers around the world are increasingly worried about developments in some digital markets and in particular digital platforms which use business practices to obtain an advantage vis-à-vis competitors in vertically related activities (e.g., self-preferencing) or which use their...

Cover -- Half-title -- Title -- Copyright -- Contents -- Figures -- Tables -- Preface -- Frequently used symbols -- License agreement -- Warranty disclaimer -- 1 Introduction -- 1.1 Motivation -- 1.2 Contribution to existing literature -- 1.3 Approach -- 1.3.1 Game theory and industrial...

Launching and stimulating competition in telecommunications markets is an important policy goal. It contains two elements: to encourage entry and to make competition effective such that consumers benefit. The first one requires that entrants can make profits after investing in infrastructure so...

Suchmaschinen ermöglichen Nutzern einen schnellen Zugang zu Informationen, die sie konkret suchen oder die sie durch die Suchmaschine entdecken. Sie haben sich zu wichtigen Informationsintermediären entwickelt. Aufgrund ihrer zentralen Rolle in der Informationsvermittlung und der...

Unter dem Stichwort „Netzneutralität“ wird in Öffentlichkeit und Politik zur Zeit intensiv diskutiert, welchen Anforderungen die Datenübertragung in Telekommunikationsnetzen künftig genügen muss. Dabei stellt sich die Frage, ob Daten priorisiert werden dürfen und wenn ja, in welchem...