The so-called 50plus1-rule in German football is a controversially discussed institution that regulates the investment behavior of professional football teams. This paper provides an empirical analysis of its effects. We gathered panel data on 47 teams in the German Major League Football ("Erste...

Identifying the boundaries of a market belongs to the important practices in most areas of antitrust and competition policy. While they are established practices for market definition and delineation, dynamic processes of competition and the new phenomenon of (digital) ecosystems of markets...

The automotive industry is undergoing a fundamental transformation driven by digitization, enabling original equipment manufacturers (OEMs) to exert increasing control over vehicle functions, data, and - consequently - aftersales markets. Despite high relevance for consumers, regulatory scrutiny...

Digital platforms, ecosystems, and R&D-intensive sectors pose distinctive challenges for merger control. In these fast-evolving markets, shaped by technological change and shifting competitive dynamics, traditional ex-ante reviews often fall short in anticipating long-term outcomes. This paper...

In dem vorliegenden Beitrag fassen wir die ökonomische Theorie von Media Bias und Misinformation zusammen und übertragen sie in das digitale Medienzeitalter. Dabei arbeiten wir heraus, inwieweit sich die theoretischen Wirkungsketten durch die Besonderheiten digitaler Informationsmärkte...

Algorithm- and data-based recommendation systems (DARS) have become a central component of the digital economy, shaping how users access, evaluate, and consume information and goods. These systems encompass both search rankings tailored to estimated user preferences and direct recommendations...

Commercial sports belong to the biggest entertainment industries in the world and, at the same time, are regularly raising antitrust concerns. This is partly due to the omnipresence of powerful market-internal regulators. These sport governing bodies set, implement, and enforce the rules and...

Since Mario Draghi's 2024 report on "The Future of European Competitiveness", identifying European (i) weaknesses in global innovation and, consequently, in global market impact, as well as (ii) regulatory overburden, the term competitiveness has been propelled into massive popularity. For...

State-owned firms from third countries play an increasingly significant role in international mergers and acquisitions, raising concerns about distortions of competition. These distortions arise from state-backed financial advantages, preferential treatment, and industrial policy objectives,...