Dr. Tan has substantial experience applying economic analysis and econometric tools to antitrust cases, including mergers, regulatory proceedings, and litigation matters. His background includes conducting research in a broad spectrum of industries: insurance, pharmaceuticals, telecommunications, microprocessors, chemicals, shipping, computer equipment, industrial equipment, food, and many others.
Washington, DC
Wei Tan has substantial experience applying economic analysis and econometric tools to antitrust cases, including mergers, regulatory proceedings, and litigation matters. is background includes conducting research in a broad spectrum of industries: insurance, pharmaceuticals, telecommunications, microprocessors, chemicals, shipping, computer equipment, industrial equipment, food, and many others.
He has prepared expert reports and presented before antitrust enforcement agencies, including the US Department of Justice, the Federal Trade Commission, the EU Competition Commission, and Chinese agencies, including the State Administration for Market Regulation (SAMR), Ministry of Commerce (MOFCOM), and the National Development and Reform Commission (NDRC). He has also testified at Chinese courts on antitrust matters.
Dr. Tan has also written academic articles on competition economics, industrial organization, and applied econometrics. His research has been published in international journals such as Quantitative Marketing and Economics, Review of Industrial Organization, Journal of Econometric Methods, Advances in Econometrics, Emerging Market Finance and Trade, Concurrences, and Competition Policy International.
Dr. Tan has taught courses in economics and econometrics at Johns Hopkins University, Renmin University of China, and State University of New York at Stony Brook.
An Overview of Market Definition in the 2023 Merger Guidelines
On December 18, 2023 the Federal Trade Commission and Department of Justice (collectively, the Agencies) released the 2023 Merger Guidelines. The new guidelines are a modification of the draft Merger Guidelines published in July 2023 and replace the 2010 Horizontal Merger Guidelines and the 2020 Vertical Merger Guidelines.
An Overview of Market Definition in the Draft Merger Guidelines
In this client alert, Secretariat’s economic experts share their perspectives on how the description of market definition has changed in the recently issued a draft version of new Merger Guidelines from The United States Federal Trade Commission (FTC) and the Antitrust Division of the U.S. Department of Justice (DOJ). The authors outline the four “tools” included in the Guidelines that “demonstrate that a market is a relevant antitrust market.” They also outline key elements that are absent and discuss concepts that have been expanded, including Bundled Product Markets and One-Stop Shops in Markets.