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...

In der wettbewerbsbehördlichen Fallpraxis gewinnt die Bestimmung von Nachfragemacht zunehmend an Bedeutung. Bei Fusionsvorhaben im Einzelhandel kann Nachfragemacht ein Hauptgrund für eine Untersagung bzw. für Auflagen sein. In diesem Beitrag wird die aktuelle Diskussion zur Bestimmung von...

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...

This paper analyses the benefits of further market integration of European wholesale electricity markets. Major gains from trade are sill left unrealized due to (1) uncomplete market coupling of national wholesale markets, (2) isolated national regulation of capacity and reserve mechanisms (CRM)...

This is the first paper that studies the causal effect of studying economics on subjective well being. Based on a survey among 918 students of economics and other social sciences, we estimate the effects of studying in the different fields on individual life satisfaction. Controling for personal...

This paper analyses the extent of inter-format retail competition between supermarkets, discounters and drugstores in Germany, using data from the German market for diapers. We estimate a random coefficient logit model at the individual household level. Based on consumer substitution patterns,...

Research on bargaining power in vertical relationships is scarce. It remains particularly unclear which factors drive bargaining power between negotiating parties in a vertical structure. We use a demand model where consumer demand determines the total pie of industry prots. Moreover, we apply a...

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)....