Adrian Majumdar is a Partner at RBB Economics. Prior to taking his post at RBB in April 2004, Adrian was the Deputy Director of Economics at the UK competition authority, the Office of Fair Trading (OFT), now part of the CMA.


Adrian has published widely on nearly all aspects of competition economics and is a co-author of the textbook published in 2011, UK Merger Control. Adrian is on the Advisory Board of British Institute of International and Comparative Law (BIICL) Competition Law Forum. Adrian is also a non-governmental advisor for the UK to the International Competition Network and has acted as an expert for the OECD on competition matters.  Adrian lectures for King’s College London, where he is a Course Director of the Postgraduate Diploma/Masters in Economics for Competition Law. Adrian completed his undergraduate studies at Cambridge University and his PhD at the Centre for Competition Policy at the University of East Anglia.


Adrian has advised on some of the leading competition law cases in Europe.  Working on competition matters since 1995, Adrian has a wealth of experience covering horizontal and vertical mergers, abuse investigations, cartels, vertical agreements, market inquiries and investigations, regulation, litigation matters and compliance advice.  He has advised numerous companies before the European Commission and national competition authorities around the world, covering a wide range of industries. Adrian has submitted expert reports before the International Dispute Resolution Centre, the UK Competition Appeal Tribunal, the UK High Court of Justice (on behalf of the Ministry of Justice), the European General Court and the European Court of Justice.


While at the OFT, Adrian was the principal author of the Competition Act guidelines on Market Definition, the Assessment of Market Power and the Assessment of Conduct. Adrian also spent a period of time at the Civil Aviation Authority, where he was involved in the setting of price caps and devising appropriate investment incentives for regulated airports.  Adrian has co-authored numerous research papers published by the UK competition authorities, including in relation to selective price cuts and fidelity rebates, buyer groups, and cost-pass through.

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