The Prevalence of Coordinated Effects Theories in Uk and EC Merger Cases

This article analyses UK and EC merger cases in the past ten years to assess the extent to which coordinated effects have played a role in the investigation. It finds that coordinated effects theories of harm are articulated in decisions infrequently; when they are investigated, they result in an adverse finding less often than other non-coordinated concerns; and even when there has been an adverse finding on coordinated effects it has almost never been pivotal to the remedies. I am only aware o