Portrait of Célia Baye

Célia Baye : Consultant

Célia is a member of Oxera’s Transport and Analytics teams. She specialises in applying quantitative methods to a diverse range of economic issues. She also has experience in applying econometric and other quantitative methods to various projects including mergers and acquisitions, cartels, impact assessments, and cases of abuse of dominance.

Before joining Oxera, Célia obtained a Master’s degree in Managerial and Financial Economics from HEC Paris, specialising in econometrics. During her studies, she completed an internship in the economic studies department of an international research institute.

Célia speaks English, and French.

Tel: +33 (0)1 87 16 51 33

Célia's specialisms include:

professional experience

  • Economic assessment of the merger between Air Canada and Air Transat (2020)

  • Competitive assessment of abuse of dominance claims in the global agrobusiness sector (2020)

  • Economic analysis as part of a merger in the steel sector in Europe (2019)

  • Competitive risk assessment of abuse of dominance claims in the courier delivery sector (2019)

  • Quantitative analysis of operating efficiencies for Brussels Airport (2019)

  • Competitive risk assessment of rebates schemes for a French telecoms company (2019)


  • Déchamps, P., Descamps, A., Arduini, F., Baye, C. and Damstra, L. (2019), ‘Labour markets: a blind spot for competition authorities?’, Competition Law Journal, forthcoming.


  • Master’s in Managerial and Financial Economics, HEC Paris, France

  • Bachelor’s in Economics and Finance, McGill University, Canada

Latest Insights:  Célia Baye

The growth of self-employment and the so-called ‘gig economy’ enabled by the rise of digital platforms (and digitalisation more broadly) offers new opportunities for those who prefer flexible working arrangements,…
Recent months have seen increased discussion of merger control in Europe. One central question is whether the impact on labour markets should be examined directly, or indirectly in terms of…

The Economics of Climate Change at COP26

Oxera will be presenting on The Economics of Climate Change at COP26—the 2021 United Nations Climate Change Conference—in Glasgow, on one of the world leaders’ days on 2 November 2021. The aim of COP26 is to increase global alignment on climate action. We will be demonstrating to the world’s governments,… Read More

Image depicting The Economics of Climate Change at COP26