There is an ongoing debate on the degree of integration of European wholesale power markets. A major task of the European Union is the creation of a common market in Europe and a common power market is an important part of this goal. The literature analyzing the degree of integration of European...

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

The fundamental change of energy policy in Germany (the so-called Energiewende) has lead to a discussion how the security of electricity supply will be affected by the heavily subsidised expansion of electricity generation from renewable energies, as electricity generation from renewable...

The liberalization and regulation of telecommunications markets in Germany is called, despite some adversity as a great success. Consumers enjoy, in contrast to the days of state owned monopoly, affordable and innovative products. In the center of the regulation was for almost one and a half...

Price levels and movements on gasoline and diesel markets are heavily debated among consumers, policy-makers, and competition authorities alike. In this paper, we empirically investigate how and why price levels differ across gasoline stations in Germany, using eight months of data from a novel...

Retailer bargaining power is an important aspect of many international antitrust investigations. Size and market share analysis are often the cornerstones of bargaining power identi cation. However, other factors, like consumer behavior, i.e. "one-stop shopping", can heavily a ect the bargaining...

Im September 2011 hat das Bundeskartellamt eine Sektoruntersuchung des Lebensmitteleinzelhandels nach §32 e GWB eingeleitet. Im Fokus der Untersuchung sollten "die Wettbewerbsbedingungen auf den Märkten für die Beschaffung von Nahrungs- und Genussmitteln durch die Unternehmen des...

Der Bau von Moscheen in deutschen Großstädten ist in Öffentlichkeit und in Medien in den letzten Jahren sehr kontrovers und teilweise heftig diskutiert werden. Bereits die Ankündigung einer geplanten Errichtung einer großen Moschee hat zu teilweise grotesk anmutenden Abwehrreaktionen...

Im Zuge der von der Energiewende wird zunehmend die Frage diskutiert, wie bei einem forcierten Ausbau der erneuerbaren Energien und der dadurch zunehmenden Fluktuation der Stromerzeugung die Versorgungssicherheit gewährleistet werden kann. Zur Diskussion steht die Einführung von...

The increasing usage of mobile communication and the declining demand for fixed line telephony in Europe make the analysis of substitutional effects between fixed and mobile networks a key aspect for future telecommunication regulation. Using a unique dataset which contains information on all 27...