This paper explores how consumers react towards price differentiation between on-net and off-net calls in mobile telecommunications - a pricing policy that is common in many mobile telecommunications markets. Based on a survey of 1044 students we demonstrate that some consumers may suffer from a...

Soziale Sicherung gehört in der Europäischen Union zwar zu den primär nationalstaatlichen Aufgaben, doch gehen von der europäischen Ebene vielfältige Einflüsse aus, von Entscheidungen der Kommission, im Ministerrat oder durch den Europäischen Gerichtshof wie auch allgemein durch direkt...

The German reserve power market was subject to important regulatory changes in recent years. A new market design was created by synchronization and interconnection of the four control areas. In this paper, we analyze whether or not the reforms led to lower prices for minute reserve power (MRP)....