Ariel Ezrachi

Ariel Ezrachi is the Slaughter and May Professor of Competition Law and Director of the University of Oxford Centre for Competition Law and Policy. He is co-editor-in-chief of the Journal of Antitrust Enforcement (OUP) and the author and co-author, of numerous books, including Competition Overdose - How Free Market Mythology Transformed Us from Citizen Kings to Market Servants (2020, HarperCollins) and Virtual Competition - The Promise and Perils of the Algorithm Driven Economy (2016, Harvard).

The Challenges to (Re)forming a Platform Economy for the People

Measured antitrust enforcement and a more comprehensive regulatory regime can ensure that we continue to benefit from digital markets. In attempting to...

eDistortions: How Data-opolies Are Dissipating the Internet's Potential

In this chapter from the forthcoming Stigler Center ebook Digital Platforms and Concentration, published in anticipation of the eponymous conference at Chicago Booth on...

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Should The Competitive Process Test Replace The Consumer Welfare Standard?

Jonathan Kanter, Assistant Attorney General for the Department of Justice Antitrust Division, recently gave a speech condemning the use of the consumer...

Delaware: The State Where Companies Can Vote

Adapted from What’s the Matter with Delaware: How the First State Has Favored the Rich, Powerful, and Criminal—and How It Costs Us...

The NCAA Goes After College Athletes’ NIL Money—Here are the Antitrust Implications for Workers and Consumers

Having lost in the Supreme Court on student-athlete academic benefits, the NCAA has signaled a continuing attempt to suppress competition in the...

Have Business Roundtable Companies Lived Up to Their Stakeholder Commitments?  

In 2019, more than 100 CEOs of US public companies signed a Business Roundtable statement in which they pledged to deliver value...

Do Protests Matter At All for Shifting Government Policy Around Economic Redistribution?

New research on the effectiveness of protests on government distributions provides insights into the political incentives of a country’s leadership and the...

Mergers and Smoking Guns

A recently uncovered memo from George Stigler and Richard Posner reveals how they thought about antitrust and merger policy in advising the...

Will “Portfolio Primacy” Throw a Monkey Wrench in Elon Musk’s Plans to Acquire Twitter?

The SEC's definition of fiduciary duty allows institutional shareholders to vote against Elon Musk's Twitter takeover bid thanks to portfolio primacy.