Thema Wettbewerb und Regulierung

Auch die Anbieter profitieren vom Roaming: Interview mit Pio Baake

What Drives Green Capabilities? Evidence from German Firm-level Data

Germany is leading in green competitiveness of its product exports. Deploying the green economic complexity methodology using German AFiD firm-level micro data, this study seeks to analyze explanatory variables for this trend such as green R&D subsidies and subnational density of related green technologies in the light of path dependencies in firms accumulation of green capabilities. It...

The rise of common ownership: Europe vs the US

Common ownership - when an investor holds shares in two companies - has recently attracted significant attention from policy-makers and researchers, studying mainly US firms. European firms, however, are different as top investors with large stakes, like governments, founding families and foundations are much more prevalent. This paper takes a well-known common ownership measure derived from...

Common Ownership Patterns in the European Banking Sector – The Impact of the Financial Crisis

We provide a description of ownership patterns in the top 25 European banks for the period 2003–2015, where we especially focus on the global financial crisis. Investment managers, such as Blackrock, are dominant in terms of number of block holdings in different banks, maintaining fairly stable “common ownership” networks throughout our sample. However, the financial crisis led...

Estimating Demand with Multi-Homing in Two-Sided Markets

We empirically investigate the relevance of multi-homing in two-sided markets. First, we build a micro-founded structural econometric model that encompasses demand for differentiated products and allows for multi-homing on both sides of the market. We then use an original dataset on the Italian daily newspaper market that includes information on double-homing by readers to estimate readers’ and advertisers’ ...

Marktkonzentrationstrend steigt in Dienstleistungsmärkten deutlich

Studien dokumentieren weltweit steigende Marktkonzentration, Gewinne und Preisaufschläge in vielen Wirtschaftssektoren seit den 1980er Jahren. Doch die Datenanalyse nach Wirtschaftszweigen entspricht nicht den ökonomisch relevanten Märkten im Sinne des Wettbewerbsrechts. Berechnungen auf Basis eines neuartigen Datensatzes über relevante Märkte zeigen hingegen, dass die Marktkonzentration in Deutschland ...

Durch Marktkonzentration erhalten Unternehmen einen größeren Teil vom Kuchen: Interview

Essays on the Economics of the Pharmaceutical Industry

The pharmaceutical industry makes a significant contribution to global health and economic welfare through the development and production of innovative medical treatments. This dissertation consists of four essays which advance our understanding of the pharmaceutical industry and how to effectively regulate this sector. Each chapter aims to provide new insights, which are relevant for policymakers, ...

Krankenhausfusionen können sich auf das Leistungsangebot auswirken

In den letzten Jahrzehnten kam es auf vielen europäischen Krankenhausmärkten zu einer Fusionswelle, die zu einer zunehmenden Marktkonzentration geführt hat. Die Auswirkungen von Krankenhausfusionen und die wirksame Durchsetzung von Wettbewerbsrecht wurden von der Politik diskutiert, aber wissenschaftlich nicht ausreichend beleuchtet. Im vorliegenden Bericht wird anhand des französischen Krankenhaussektors ...

Economic Effects of the COVID-19 Pandemic on Entrepreneurship and Small Businesses

The existential threat to small businesses, based on their crucial role in the economy, is behind the plethora of scholarly studies in 2020, the first year of the COVID-19 pandemic. Examining the 14 contributions of the special issue on the “Economic Effects of the COVID-19 Pandemic on Entrepreneurship and Small Businesses,” the paper comprises four parts: a systematic review of the literature on the ...