Using aggregate balance sheet data from banks across the EU-25 over the period from 1997 to 2005 this paper provides empirical evidence that national banking market concentration has a negative impact on European banks’ financial soundness as measured by the Z-score technique while controlling...

This paper analyzes the convergence process of Central-West European wholesale electricity markets from 2004 to the beginning of 2011. Jevon's law of price indifference is scrutinized using price correlation, parametric and nonparametric tests of price-differences and cointegration analysis. As...

We use a novel data set with exact price quotes from virtually all German gasoline stations to empirically investigate how a temporary variance in local market structure - induced by restricted opening hours of specific players - affects price competition. We focus on stations selling gasoline...

Platform markets are characterized by the existence of indirect network effects that connect two or more market sides through a platform that internalizes these feedback effects. Conventional instruments of market definitions which consider price levels cannot easily applied in case of two-sided...

Der vorliegende Beitrag erörtert die wichtigsten Herausforderungen, die sich durch die Digitalisierung stellen. Analysiert werden die Fragen, inwiefern die die Digitalisierung zu einer Monopolisierung von Märkten führt, wie das Kartellrecht nach der 9. GWBNovelle diese Befürchtungen...

We examine how different pass-through rates, from input- to final consumer prices, and different vertical contracts affect upstream market definition. Our theory model predicts that, under reasonable conditions, higher pass-through rates lead to definitions of larger upstream markets. Data...