Comparative Competition Law

Comparative Competition Law

Research Handbooks in Comparative Law series

Edited by John Duns, Arlen Duke and Brendan Sweeney

Comparative Competition Law examines the key global issues facing competition law and policy. This volume’s specially commissioned chapters by leading writers from the United States, Europe, Asia, South America, and Australia provide a synthesis of how these current issues are addressed by drawing on the approaches taken in different jurisdictions around the world.

Chapter 8: Current issues in merger law

Julie Clarke

Subjects: law - academic, comparative law, competition and antitrust law


The globalization of markets, combined with the extraordinary expansion of merger control laws over the past two decades, has resulted in an increasing number of mergers inviting multiple regulatory responses. This has had a significant impact on the complexity, time and cost associated with transnational mergers and has highlighted the differences in law, policy and procedure employed by more than 70 jurisdictions now adopting targeted merger regimes. By contrast with other areas of competition law and policy, the treatment of mergers involves a significant regulatory component, with most jurisdictions adopting ex ante notification and suspension obligations for mergers exceeding defined thresholds. The justification for this lies in the structural change to the market affected by the merging of assets, personnel and intellectual property, which are difficult to reverse. However, ex ante regulation also has the consequence of subjecting the vast majority of benign or beneficial mergers to the cost and delay associated with administrative scrutiny. This cost and delay has the potential to jeopardize time-sensitive transactions or postpone expected efficiency gains. Where markets extend beyond domestic borders, these costs are multiplied and the slowest and most prescriptive jurisdiction will influence or determine the time at which the merger can close, if at all, and on what conditions.

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