We quantify externalities on profitability and market shares of competing firms in oligopolistic markets through the transition from an n to an n - 1 player oligopoly after a merger. Competitors are identified via the European Commission's market investigations and our methodology allows us to...

We propose a general framework to assess merger policy effectiveness based on standard oligopoly theory and stock market reactions. We focus on four different dimensions of effectiveness: 1) legal certainty, 2) decision errors, 3) reversion of anti-competitive rents, and 4) deterrence. We apply...

We estimate the spillovers on firm profitability and market shares in oligopolistic markets through the transition from an n to an n-1 player oligopoly after a merger in the industry. Competitors are identified via the European Commission s market investigations and our methodology allows us to...

Based on a database of 326 merger cases scrutinized by the European Commission between 1990 and 2007, we evaluate the economic impact of the change in Euro-pean merger legislation in 2004. We first propose a general framework to assess merger policy effectiveness, which is based on standard...

Based on a database of 326 merger cases scrutinized by the European Commission between 1990 and 2007, we evaluate the economic impact of the change in Euro-pean merger legislation in 2004. We first propose a general framework to assess merger policy effectiveness, which is based on standard...

Calls for democratization have become a hallmark of this decade. There have been protests and revolutions calling for political change and democratic reforms in many parts of the Middle East and North Africa (MENA). However, little is actually known about the origins and success factors of these...

The role of merger control is to protect the interests of consumers over those of major corporations. To improve this protection, European merger control underwent comprehensive reforms in 2004. The aim was to increase the importance of economic principles in reaching verdicts. An empirical...

We study the degree of agglomeration of acquisition activity within clusters of temporal, geographic and industrial proximity based on almost 600,000 individual transactions. The findings indicate that significant clustering occurs in time and across industries, while the results on geographic...

We evaluate the impact of M&A activity on the growth of R&D spending and R&D intensity of 265 acquiring firms and 133 merger targets between 1990 and 2009. We use different matching techniques to construct separate control groups for acquirers and targets and use appropriate...