Kenneth G. Elzinga

Robert C. Taylor Professor of Economics,
University of Virginia;
Senior Advisor, Cornerstone Research

For more information, contact:

  • Bryan M. Ricchetti

or any member of our senior staff.


Ken Elzinga has testified in numerous precedent-setting cases. He has provided expert testimony for the prevailing parties in three U.S. Supreme Court cases: Matsushita v. ZenithBrooke Group v. Brown & Williamson, and Leegin Creative Leather Products v. PSKS Inc. In Leegin, Professor Elzinga worked with Cornerstone Research on a case in which the Supreme Court overruled a ninety-six-year-old precedent regarding resale price maintenance.

Professor Elzinga has served as a special economic advisor to the head of the Antitrust Division of the U.S. Department of Justice and as a consultant to the Federal Trade Commission and has testified for both agencies. He is known as the cocreator of the Elzinga-Hogarty test, used to define relevant geographic markets in antitrust analyses. His work has been cited by the Supreme Court and other courts.

At the University of Virginia, Professor Elzinga has taught economics to more than 50,000 students. In 2017, to celebrate his achievements as a scholar, teacher, and mentor, nearly 500 alumni, parents, students and other supporters endowed the Kenneth G. Elzinga Professorship in Economics and the Law. In addition to an endowed chair in his name, Professor Elzinga has won several awards, including the University of Virginia’s highest honor, the Thomas Jefferson Award. The Southern Economic Association’s annual teaching award is named after Professor Elzinga in recognition of his reputation as a communicator of economics.

Professor Elzinga is a former fellow in law and economics at the University of Chicago and was a Thomas Jefferson visiting scholar at Cambridge University. The National Law Journal named Professor Elzinga as a trailblazer in the field of antitrust, and Who’s Who Legal has recognized him as a competition thought leader and leading competition economist. Global Competition Review recognized Professor Elzinga to its inaugural list of the world’s most important antitrust academics.

He is the author of more than one hundred academic publications and his research has appeared in leading economics journals, including the American Economic Review; and in legal journals, including the Harvard Law Review.

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WWL: Competition Global Leaders and Consulting Experts 2023

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Cornerstone Research Affiliated Experts Named to Global Competition Review’s Inaugural List of Leading Antitrust Academics


Antitrust Expert Spotlight: Kenneth Elzinga

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WWL: Global Leader Competition—Economists 2022

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2021 Who’s Who Legal: Consulting Experts

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Who’s Who Legal: Competition 2021—Economists

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2020 Who’s Who Legal: Competition–Economists

Press Release

2020 Who’s Who Legal: Competition–Thought Leaders

  • “Distilling Issues in Alcohol Distribution,” American Bar Association Section of Antitrust Law, 19 June 2014