The England and Wales Court of Appeal has overturned the Decision of the United Kingdom Competition Appeals Tribunal (CAT) in the collective proceedings Walter Merricks v MasterCard, where final consumers are represented by Merricks. This is an important decision because it ensures that financial damages are recoverable when a firm’s anti-competitive practices affect millions of…

Introduction I recommend reading the UK Competition Appeal Tribunal’s (CAT) decision in Flynn/Pfizer vs UK Competition and Markets Authority (CMA) as both lawyers and economists can find a fair number of details to note for later cases related to excessive pricing. In this short article I do not wish to argue whether the CMA’s methodology…