In den letzten Jahren haben die durch das Bundeskartellamt behandelten Fusionskontrollverfahren im Krankenhaussektor zu einer anhaltenden wettbewerbsökonomischen Debatte geführt. Als eine wichtige Erkenntnis hat sich hierbei ergeben, dass für den überwiegenden Bereich der akutstationären...

In den letzten Jahren haben die durch das Bundeskartellamt behandelten Fusionskontrollverfahren im Krankenhaussektor zu einer anhaltenden wettbewerbsökonomischen Debatte geführt. Als eine wichtige Erkenntnis hat sich hierbei ergeben, dass für den überwiegenden Bereich der akutstationären...

The strategy literature has found it difficult to differentiate between collusive and efficiencybased synergies in horizontal merger activity. We propose a theoretically-backed methodological approach to classify mergers that yields more information on merger types and merger effects, and that...

This paper empirically evaluates the price effects of the merger of two major book retail chains in the UK: Waterstone’s and Ottakar’s. We employ differences-in-differences techniques and use a rich dataset containing monthly scanner data information on a sample of 200 books sold in 60...

Assortment decisions are key strategic instruments for firms responding to local market conditions. We assess this claim by studying the effect of a national merger between two large Dutch supermarket chains on prices and on the depth as well as composition of assortment. We adopt a...

We study the effect of a merger between two Dutch supermarket chains to assess its effect on the depth as well as composition of assortment. We adopt a difference-in-differences strategy that exploits local variation in the merger’s effects, controlling for selection on observables through a...

Assortment decisions are key strategic instruments for firms responding to local market conditions. We assess this claim by studying the effect of a national merger between two large Dutch supermarket chains on prices and on the depth as well as composition of assortment. We adopt a...

We study the effect of a merger in a dynamic high-technology industry – the videogame market – which is characterized by frequent introduction of new products. To assess the impact of the merger between two large specialist retailers in the UK, we perform a difference-in-differences analysis...

We study the effect of a merger in a dynamic high-technology industry -- the videogame market -- which is characterized by frequent introduction of new products. To assess the impact of the merger between two large specialist retailers in the UK, we perform a difference-in-differences analysis...