use a novel database that identifies over 20,000 product/geographic antitrust markets affected by over 2,000 mergers … scrutinized by the European Commission between 1995 and 2014. We show that concentration, as measured by the market-specific post-merger … dimension analyzed. Strict past merger enforcement negatively correlates with concentration. Yet, this effect is stronger in the …

antitrust policy, we underscore that an active private equity market can aid antitrust authorities by triggering welfare …

This paper presents a broad retrospective evaluation of mergers and merger decisions in the digital sector. We first … theories of harm in major merger cases in the past few years. We then analyse the characteristics of almost 300 acquisitions … important merger cases, Facebook/Instagram and Google/Waze, providing a systematic assessment of the theories of harm considered …

. The antitrust agency’s incentives to produce evidence on the efficiency of a merger proposal depend critically on its …We analyze evidence production in merger control as a delegation problem in an inquisitorial competition policy system … implemented only after evidence on the efficiency of a merger proposal has been produced. …

find interesting results linking patents to GM's bankruptcy, the Daimler-Chrysler merger, environmental regulations …

that would prevent a merger from harming consumers for 1,014 mergers affecting 12,325 antitrust markets scrutinized by the …Worldwide, the overwhelming majority of large horizontal mergers are cleared by antitrust authorities unconditionally … concerns about the Commission’s merger enforcement being too lax. …

Competition in some markets is a contest. This paper studies the merger incentives in such markets. Merger can be … profitable. The profitability depends on the post-merger contest st ructure, the discriminatory power of the contest and on the …

Merger value is frequently evaluated in single market contexts without considering possible gains stemming from firms … multimarket firms create incremental value. We establish a simple theoretical model that determines merger value in a multimarket … firm environment. The model enables us to derive merger values as being independent of post-merger market shares, but …