Centre for Law, Economics and Society (CLES)
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25 April 2017, London
Multi-Sided Platforms: Business, Economics & Competition Policy
12 May 2017, Amsterdam
Economic Evidence in Competition Law and the Future of the “More Economic” Approach
To view past events, please go to the events pages.
For general enquiries, please contact:
laws.research [at] ucl.ac.uk
+44 (0)20 3108 8484
For research project enquiries, please contact:
Professor Ioannis Lianos
+44 (0)20 3108 8346
i.lianos [at] ucl.ac.uk
- Global Governance of Antitrust and the Need for a BRICS Joint Research Platform in Competition Law and Policy by Ioannis Lianos
- The Interplay of Institutions. Linkages between Enacting and Implementing Competition Law in India by Amber Darr
- Public Policy Considerations in Competition Enforcement: Merger Control in South Africa by Azza A. Raslan
For more working papers, please visit the CLES Research Paper Series section on this website.
LL.B. (2007), National University of Athens; LL.M European Union Law (2008), UCL; PhD (2014); Qualified Advocate (Athens)
Co-ordinator of the e-Competitions
Despoina (Deni) Mantzari is a Lecturer in Law at the University of Reading School of Law and a Teaching Fellow at UCL. She holds a PhD from UCL (AHRC doctoral scholarship), an LL.M in European Union Law (distinction) from UCL and a law degree from the National University of Athens (merit).
Deni's PhD thesis explored the transformation of judicial review in the context of appeals from utilities regulators in the US and the UK, following the regulators' greater recourse to expert economic evidence and analysis. It examined the judicial scrutiny of economic evidence in both generalist courts (i.e. UK High Court, US Federal Courts) and in specialist courts (i.e. UK Competition Appeal Tribunal) and revealed a set of micro-level (e.g. standard of review, court's rules of procedure) and macro-level (e.g. cultural and socio-political factors) factors that determine the reception of economic evidence in courts.
In 2013-2014 Deni was a Postdoctoral Research Fellow at the ESRC Centre for Competition Policy at the University of East Anglia. In 2010 she was awarded an AHRC Study Visit Fund and spent a semester as a Visiting Researcher at UC Berkeley Boalt Hall School of Law. She has also attended a number of JD Courses as well as law courses at Université de Reims-Champagne- Ardenne in France (Erasmus Programme).
Deni has worked as a trainee lawyer and qualified to practice law in Greece (Athens Bar Association). She has also been invited in the judicial training programme of the European Commission (2013).
Deni’s main research interests lie in regulated industries law, on all aspects of EU and US public law, EU Competition law, US Antitrust, Law and Economics and Pharmaceutical Regulation.
- 'The Liberalisation of Retail Energy Markets: Lessons from the UK', Italian Association of Energy Law-AIDEN, 3 December 2015, Milan, Italy
- ‘The UK Energy Market Competition Investigation: What Future Role for Ofgem?’, New Voices in Commercial Law Seminar Series, Queen Mary University of London, November 2015
- 'Judicial Scrutiny of Regulatory Decisions: Institutional Dimensions' at SMU-ANU-Reading Research Forum, Singapore, September 2015
- ‘Judicial Review of Evidence-Based Regulation: Normative Implications’, EPLO and IMEDIPA Conference ‘The Future of Regulation: Between Expertise and Democracy’, 22 July 2015, Athens, Greece
- ‘Regulation through Litigation? The Case of Preliminary Rulings in the EU Energy Sector’, 4th Biennial Conference of the European Union Studies Association (EUSA), 5-7 March 2015, Boston, USA
- The Impact of Economic Evidence and Analysis on the Regulator's Discretionary Power: Focus on Utilities Regulation in the US and the UK', 5th Biennial ECPR Standing Group for Regulatory Governance Conference, 25-27 June 2014, Barcelona, Spain
- 'Has the Increased Recourse to Expert Economic Evidence and Analysis Transformed Administrative Discretion? Evidence from the UK Utilities Regulation', 8th Competition Law and Economics European Network (CLEEN), 10-11 June 2014, Norwich, UK
- 'The Implications of Economic Evidence for the Court-Agency Relationship in the Realm of Utilities Regulation in the US and the UK', CCP Research Seminar, 30 January 2014, Norwich, UK
- 'Towards a Complementary Relationship? The Judge and the Agency in the Realm of Economic Regulation', 4th Biennial ECPR Standing Group for Regulatory Governance Conference, 27-29 June 2012, Exeter, UK
- ‘Pharmaceutical Parallel Trade in EU Courts. What Room for Economic Evidence?’, SMI’s 5th Annual Conference for Pharmaceutical Parallel Trade, 7-8 February 2011, London, UK (invited speaker)
- ‘Impact of the GSK Cases on Parallel Imports for Pharmaceuticals in Europe’, SMI’s 4th Annual Conference on Pharmaceutical Parallel Trade, 10-11 February 2010, London, UK (invited speaker)
- Gaudin, G. and Mantzari, D., 2016, Margin Squeeze: An Above-Cost Predatory Pricing Approach, Journal of Competition Law & Economics, DOI: 10.1093/joclec/nhv042
- Mantzari, D., 2015, Economic Evidence in Regulatory Disputes: Revisiting the Court–Regulatory Agency Relationship in the US and the UK, Oxford Journal of Legal Studies, DOI: 10.1093/ojls/gqv035
- Mantzari, D., 2014, The Process of Regulatory Appeals in the UK: One Size Does Not Fit All. Centre for Competition Policy Research Bulletin Issue 27. Available online at: http://competitionpolicy.ac.uk/news/ccp-research-bulletin
- Hviid, M., Mantzari, D., and Waddams, C., May 2014, Response to Ofgem: Consultation on a Proposal to Make a Market Investigation Reference in Respect of the Supply and Acquisition of Energy in Great Britain. Centre for Competition Policy Responses to Consultations. Available online at: http://competitionpolicy.ac.uk/publications/responses-to-consultations
- Mantzari, D. and Tapia, J., 2013. The Regulation/Competition Interaction. In: Lianos, I. and Geradin, D. eds. Research Handbook in Competition Law,Edward-Elgar, Ch.15. Available online at:http://papers.ssrn.com/sol3/papers.cfm?abstract_id=2044722. (Article was listed on SSRN's Top Ten download list for Industrial Organisation & Regulation Journals)
- Mantzari, D. and Korah, V., 2012. It Takes One to Tango. The Single UK Competition and Markets Authority. Antitrust Chronicle, Competition Policy International, 5(1). Available online at:https://www.competitionpolicyinternational.com/it-takes-one-to-tango-the-single-u-k-competition-and-markets-authority/
- Mantzari, D., 2011, The EC and CJEU Approach to Pharmaceutical Parallel Trade. Parallel Trade: The Challenges Ahead, Pharma Pricing and Reimbursement, IMS Health, 16(4), 109.
- Mantzari, D., 2009, Case T-196/04 Ryanair v Commission: a Critical Comment. Newsletter of Administrative Law 49(1). (in Greek)
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