Within the last three years, Google has acquired YouTube and DoubleClick and has attempted to control part of Yahoo!'s search advertising business. Two of the deals have not raised antitrust concerns by competition authorities. I review these deals with a focus on consumer welfare. Consumers are...

We investigate the impact of cartel breakdowns on merger activity. Merging information on cartel cases decided by the European Commission (EC) between 2000 and 2011 with a detailed data set of worldwide merger activity, we find that, first, the average number of all merger transactions increase...

Der Beitrag untersucht, inwieweit hinter der oft konstatierten Investitionsschwäche der europäischen Wirtschaft eine Strukturverschiebung von materiellen zu immateriellen Investitionen steht. Da letztere nur zum Teil unter den Investitionsbegriff der Volkswirtschaftlichen Gesamtrechnung...

We study competition in the German interurban bus industry two years after its liberalization in January 2013. In addition to a brief characterization of the liberalization process and several general market developments, we provide a detailed analysis of selected market characteristics such as...

We provide an empirical assessment of the German interurban bus industry two years after its deregulation in January 2013. In addition to a general description of key developments of the industry, we use a unique route-level price data set to study both competitive interaction in general and the...

We study the fiscal consequences of municipal mergers by making use of a largescale merger reform in the German federal state of Brandenburg. This reform, which was implemented from 2001 to 2003, led to a substantial reduction in the number of municipalities. Individual mergers were...

In the context of increasing globalization of markets, merger and acquisition activities in the 1990s are said to be driven by reorganization processes with respect to concentration on firms’ core competencies in order to increase or maintain market power in international markets. This paper...

Although there is anecdotal evidence that merger control may constitute a barrier to the integration of European retail banking markets, systematic empirical evidence is missing until now. This paper aims to fill this gap. Based on a unique dataset on the transparency on merger control in the EU...