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Paul A. Johnson, PhD / Rideau Economics


Please see below for contact information.


Paul A. Johnson has nearly 20 years of experience in competition economics. Dr. Johnson’s experience spans a wide range of industries and all areas of competition economics, including mergers and acquisitions, monopolistic practices, cartels, deceptive marketing practices, class certification, and calculation of damages. He is currently the owner of Rideau Economics, located in Ottawa, Canada.

From 2016 to 2019, Dr. Johnson served a three-year tenure as the chief economist at the Competition Bureau, where he worked with case teams, worked on special projects, directly engaged with stakeholders, and advised the Commissioner of Competition on all significant antitrust matters. He was a principal contributor to the Bureau’s outreach efforts on emerging competition issues related to big data. Prior to opening Rideau Economics, Dr. Johnson was a Partner in the antitrust practice at Bates White in Washington, DC. At Bates White, he worked on civil antitrust litigation and on high-profile mergers before US and European antitrust agencies in a wide range of industries.

For more information, please contact:

Ales Filipi


PhD, Economics, Université de Montréal

BA, Economics, University of North Carolina


Selected Work

Selected Experience

Supported the expert on behalf of the Department of Justice in the matter U.S. v. AB Electrolux, Electrolux North America, Inc., and General Electric Company.

Conducted detailed economic analysis on behalf of Eli Lilly in connection with its $5.4 billion acquisition of Novartis Animal Health.

Provided analysis of terms in contracts between American Express and merchants on behalf of American Express.

Analyzed issues related to single-firm conduct and damages on behalf of AMD in the landmark microprocessor antitrust case AMD v. Intel.

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