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...

This note analyzes the existence of a possible media bias by determining the impact of automobile manufactures' advertisements on the probability that German car magazines review their products. By accounting for possible endogeneity, we find a positive impact of advertising volumes on test...

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...