Portrait of Matthew Johnson

Matthew Johnson : Partner

Matthew specialises in competition economics. His areas of expertise include merger analysis, abuse of dominance and the effects of vertical and horizontal agreements between firms. He has provided analysis for clients involved in litigation, as well as those facing investigations by competition authorities in a number of jurisdictions.

Before joining Oxera, Matthew worked as an economic adviser at the UK Office of Fair Trading (OFT), now part of the Competition and Markets Authority (CMA), and at the European Commission. He has over 20 years’ experience as a professional economist and has been appointed economic expert in the context of UK High Court litigation proceedings. He has also advised on market investigations in a range of industries.

Matthew has acted as a non-governmental adviser to the International Competition Network (ICN) Working Groups on Mergers and Unilateral Conduct. He is listed in The International Who’s Who of Competition Lawyers and Economists. He also sits on the advisory board of the Competition Law Journal.

Matthew speaks English.

Tel: +44 (0) 1865 253 026

Matthew's specialisms include:

professional experience

  • Report for Amazon on the proposed Digital Markets Act and its likely impact on innovation (2020)

  • Confidential merger risk assessment for a client in the UK dairy sector (2020)

  • Confidential merger risk assessment for a UK private hospital provider that was seeking to purchase a smaller competitor (2020)

  • Advice to the Co-operative Group on the CMA market investigation into at-need funeral services (2020)

  • Advice to Transport Canada on the acquisition by Air Canada of Air Transat (2020)

  • Confidential competition risk assessment for a client in the financial services sector, relating to information exchange (2020)


  • Fanton, I., Droukopoulos, S. and Johnson, M. (2019), ‘Vertical mergers and the vGUPPI: quantifying vertical foreclosure’, Competition Law Journal, 18:1, pp. 45–50.

  • Droukopoulos, S., Chowdhury, A. and Johnson, M. (2015), ‘Most-favoured-nation clauses in the e-commerce sector: an economist’s point of view’, Competition Law Journal, 14:2, pp. 153–8.

  • Makhkamova, L., Johnson, M. and Niels, G. (2012), ‘Under examination: The OFT’s Study into the Private Healthcare Market’, Competition Law Journal, 11:2.

  • Buelens, C., Garnier, G., Johnson, M. and Meiklejohn, R. (2007), ‘The Economic Analysis of State Aid: Some Open Questions’, European Economy—Economic Papers, 286, September.


  • MSc Economics, University College London, UK

  • BA Economics, University of Sussex, UK

Latest Insights:  Matthew Johnson

5 minute read
The recent focus on sustainability in the context of coordination agreements and in state aid cases1 has now spread to merger control.2 This article addresses how sustainability fits into the…
8 minute read
Despite superficial similarities, data-enabled learning does not necessarily create network effects, and when it does, data network effects are usually weaker and less conducive to lock-in than standard network effects.…
8 minute read
Behavioural economics has taught us that human decision-making is not perfectly ‘rational’; so to what extent can we expect judges to be free from bias? We explore some recent literature…
10 minute read
On 2 June, the European Commission launched consultations on proposals for a New Competition Tool (NCT) and its Digital Services Act package. As an NCT based on a market structure…

Back to top