The literature identifies a significant drop in merger control enforcement activity on both sides of the Atlantic … economics suggest that a lack of 'fit' between the 'new' economic approach to merger control and the 'old' institutional … implicitly raising the standard of proof, leading to unattainable standards, virtually eroding merger control enforcement power …

the period 1990-2002 to assess the effectiveness of European merger control. The basic idea is to relate announcement and … decision abnormal returns. Under a set of four maintained assumptions, merger control might be interpreted to be effective if … rents accruing due to the increased market power observed around the merger announcement are reversed by the antitrust …

's decision process. We find that the probability of a phase 2 investigation and of a prohibition of the merger increases with the … parties' market shares. The probability increases also when the Commission finds high entry barriers or that post-merger …

An increasingly important part of contemporary merger control both in the US and the EU is unilateral effects analysis … merger between the software firms Oracle and PeopleSoft in 2003/04 has been the most important instance of parallel … of sophisticated economic tools in contemporary merger control. In addition to case-specific factors, the major insights …

An increasingly important part of contemporary merger control both in the US and the EU is unilateral effects analysis … merger between the software firms Oracle and PeopleSoft in 2003/04 has been the most important instance of parallel … sophisticated economic tools in contemporary merger control. In addition to case-specific factors, the major insights encompass the …

procedures for merger control. We describe the main constituencies (both internal and external) involved in merger control in … both jurisdictions and discuss how a typical merger case would be handled under these procedures. At each stage, we … informal, the balance in the investigation and evaluation of the merger being provided by the credible threat of a court …

This paper provides a comparative analysis of methods for the empirical ex post evaluation of merger control decisions … about the effects of systematic impact evaluations of merger decisions. …