United Kingdom's Competition Authority - CMA (London)

Mike Walker

United Kingdom’s Competition Authority - CMA (London)
Chief Economic Adviser

Dr. Mike Walker has been the Chief Economic Adviser at the Competition and Markets Authority (CMA) since September 2013. His previous roles include being Vice President at Charles River Associates in London and Brussels, Director of Competition Policy at London Economics, a Senior Regulatory Economist with British Telecom and a Senior Associate at Lexecon Ltd. in London and Brussels. He is the co-author of The Economics of EU Competition Law (Sweet & Maxwell, third edition, 2009) and a number of published articles. He is a Professor at the College of Europe in Bruges and a Visiting Fellow at Kings College, London.

Linked authors

United Kingdom’s Competition Authority - CMA (London)
University of East Anglia (Norwich)


US antitrust takes big steps: How to read that in Europe?
Mike Walker 28 October 2020 Webinar
Mike Walker (CMA)
Mike Walker 26 September 2019 Brussels
Mike Walker (Competition and Markets Authority)
Mike Walker 17 May 2018 London


153 Bulletin

Geoff Edwards, Mike Walker The UK OFCOM dismisses the case in pricing wholesale calls and distinguishes between technical margin squeeze and abuse of dominance (Thus / Gama Telecom / BT)


When is a margin squeeze not an abuse?* On 20 June 2013 Ofcom closed its long-running investigation of BT’s pricing of its Wholesale Calls product with a “no grounds for action” decision. The investigation, which commenced in August 2008, focused on allegations of margin squeeze made by THUS plc (...)

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