Competition Economics

Through our investigative work, we identify evidence of violations of competition law across the jurisdictions where we operate. We assist law firms and regulators throughout the process of litigation, from filing to settlement. We are known for our innovative solutions to some of the thorniest problems in competition economics, and for our expertise in identifying and combining data from a variety of sources.

Competition regimes around the world are in a state of flux. In an ever-more consolidated and digital competition landscape, increasingly sophisticated infractions, shifting standards, and new legislative priorities will affect how markets are defined, how harm is quantified, and who can most appropriately bring a claim. We understand that traditional, cookie-cutter approaches will be a poor fit for the most crucial cases of the coming decade. That is why our clients have come to rely on Fideres’ tailored and uniquely entrepreneurial approach to help them carve out new opportunities, solve new problems, and carry cases through to a successful outcome.

For any Competition Economics related enquiries please contact Max Theiler at




Original Investigations


Abuse of dominance and collective abuse of dominance

Attempted monopolization

Excessive pricing

Exclusionary conduct

Refuse to deal

Margin squeeze

Predatory pricing

Resale price maintenance

Non-compete and no-poaching agreements

Market sharing agreements

Creative Problem Solution

In-depth industry analysis (e.g. industry structure, flow of goods/services, key players)

Market definition and SSNIP test

Counterfactual price modelling

‘Plus Factors’ analysis

Parallel price conduct

Pricing data monitoring

Pass-through/pass-on analysis

Demand/supply elasticity analysis

High Quality Expert Work

Expert reports

Expert witness testimony

Merits reports

Plan of allocation and settlement distribution

Damages analysis

Data analysis

Track record

Since the 2008-09 financial crisis, Fideres has historically taken a leading role in the discovery, analysis, and settlement of cases in financial markets, and finance remains the core area of our expertise. Our work has driven cases ranging from the coordinated manipulation of interest rate benchmarks to the inflation of prices in foreign exchange markets to the mis-selling of key debt instruments. Investigations by Fideres continue to shed light on the often subtle ways in which bad actors in this sector collude to game markets and mislead investors. Sample cases include:

  • The Standard Bank of South Africa Limited v The Competition Commission Of South Africa, CR212Feb17
  • Australian Securities and Investments Commission v. Australia and New Zealand Banking Group, VID197/2016
  • Torus Capital, LLC v. Bank of Nova Scotia, New York Agency, 1:16-cv-05437
  • Treasury Securities Auction Antitrust Litigation, 1:15-md-02673
  • Commodity Exchange, Inc., Gold Futures and Options Trading Litigation, 1:14-md-02548
  • Alaska Electrical Pension Fund v. Bank Of America Corporation, 1:14-cv-07126
  • Libor-Based Financial Instruments Antitrust Litigation, 1:11-md-02262

Fideres has a wealth of experience in analysing competition within digital markets and emerging technologies such as blockchain. From defining markets for multi-sided platforms, to exploring anti-competitive conduct by large firms that benefit from strong network effects and large economies of scale and scope and who set zero prices and extract data. This experience is helping us to investigate and develop cases, and to provide expert testimony to courts and expert advice to clients working on complaints against many of the biggest monopolists in the sector. Sample cases include:

  • Dr Liza Lovdahl Gormsen v. Meta Platforms, Inc. and Others, 1433/7/7/22
  • Arbitration Cryptocurrency Dispute
  • Dynamic Random Access Memory (DRAM) Indirect Purchaser Antitrust Litigation, 4:18-cv-02518

Fideres has been crucial to the filing and prosecution of a number of high-profile US commodities cases. Our successes in this area have included our novel microeconomic analysis of pricing and cost structures in the meatpacking and DRAM industries, and our use of complex auction pricing data from precious metal futures markets to show how these commodities were systematically overpriced by cartels. Sample cases include:

  • Commodity Exchange, Inc., Gold Futures and Options Trading Litigation, 14-md-02548-VEC

Pharmaceuticals and healthcare markets can seem as intricate and opaque as they are vital to consumers wellbeing, which makes them crucial sectors for antitrust scrutiny. Our analysis of drug pricing data helps to identify the markets in which pharmaceutical manufacturers collude to raise prices, and our expert testimony on the economics of drug industry helps plaintiffs recover damages. In healthcare markets, Fideres has led pioneering work on market definition and overcharge analysis in the increasingly-concentrated and expensive regional hospital markets of the United States. Sample cases include:

  • 1199Seiu National Benefit Fund v. Actavis Holdco US, INC., 2:18-cv-02401
  • EpiPen ERISA Litigation (Klein v. Prime Therapeutics, LLC), 0:17-cv-01884
  • Hospital Monopolization Antitrust Class Action, 16-CVS-16404
  • Generic Pharmaceuticals Pricing Antitrust Litigation, 2:16-md-02724

News and Research



More Than Poultry Profits

December 14, 2022
Fideres research shows that the market appears to be plagued by a monopolist, exploiting a dominant position to increase prices and reduce output.

Fideres Advises In Class Action Complaint By Renters On Algorithmic Collusion Allegation

November 16, 2022
Fideres Advises In Class Action Complaint By Renters On Algorithmic Collusion Allegation

Fideres Uncovers Potential Abuse of Dominant Position by UK Water Companies

November 15, 2022
The Guardian publishes an article based on Fideres research on raw sewage spills by UK Water Companies.

Money Down The Drain, Raw Sewage On The Beach

November 15, 2022
Raw sewage spills by UK Water Companies amount to an abuse their dominant position as regulated monopolies, UK households could be entitled to compensation.

Class Actions: An Arbitrary Arrest

September 27, 2022
Arbitration clauses limit consumers' ability to pursue collective actions.

FedEx And UPS: Who’s Got The Better Package?

July 14, 2022
FedEx and UPS general rate increases: Collusion or conscious parallelism? Fideres investigates competition issues in the United States courier market.

Better Than Average

November 16, 2021
Can courts rely on benchmark figures for cartel overcharges?

The Antitrust Case Against The Loyalty Penalty

September 24, 2021
Defining markets for loyal customers.