Traditional economic theory of collusion assumed that cartels are inherently unstable, and yet some manage to operate for years or even decades. While the literature has presented several determinants of cartel stability, the vast majority focuses on firms as entities, even though cartels are...

Traditional economic theory of collusion assumed that cartels are inherently unstable, and yet some manage to operate for years or even decades. While the literature has presented several determinants of cartel stability, the vast majority focuses on firms as entities, even though cartels are...

This paper is about the price effects caused by a VAT (value-added tax) reduction for menstrual hygiene products in Germany. Several aspects make this VAT reduction particularly interesting: The exogeneity of the reduction under otherwise constant economic conditions, the reduction was...

The German DEAL agreements between German universities and research institutions on the one side and Springer Nature and Wiley on the other side facilitate easy open access publishing for researchers located in Germany. We use a dataset of all publications in chemistry from 2016 to 2020 and...

The German DEAL agreements between German universities and research institutions on the one side and Springer Nature and Wiley on the other side facilitate easy open access publishing for researchers located in Germany. We use a dataset of all publications in chemistry from 2016 to 2020 and...

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...

Auf Plattformmärkten werden vielfach Meistbegünstigungsklauseln eingesetzt, durch welche der Anbieter verpflichtet wird, seine Produkte auf der jeweiligen Plattform zu den günstigsten Konditionen zu offerieren. Kartellrechtlich sind diese Klauseln umstritten. Im Jahr 2013 hat das...

In diesem Beitrag werden die potenziellen Vorteile beleuchtet, die sich durch die Digitalisierung auf den Märkten für urbane Mobilität Verbrauchern und neuen Anbietern bei einer adäquaten Regulierung eröffnen. Zunächst führt der Markteintritt neuer Mobilitätsanbieter ganz grundsätzlich...