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The Role of the State

Antitrust and Competition

Threats to Competition Policy in the Second Trump Administration: Is Antitrust Enforcement Following Alice Down the Rabbit Hole?

Jonathan B. Baker
After the second Trump administration initially appeared to maintain significant continuity in antitrust enforcement, the president more recently thrust the agencies into turmoil. Those later actions create troubling risks to the economy and the rule of law, writes Jonathan B. Baker.
Antitrust and Competition

2025 Antitrust and Competition Conference Livestream

ProMarket writers
Follow along live with the Stigler Center's 2025 Antitrust and Competition Conference focused on Economic Concentration and the Marketplace of Ideas. The conference takes place...
Antitrust and Competition

Trump May Change how the EU Thinks About Antitrust and Free Speech

Jan Polański
The new Trump administration has thrust antitrust’s role in protecting free speech into the spotlight. Jan Polański discusses how this development should inform the European Union’s own debates about antitrust and free speech.
Antitrust and Competition

Can Antitrust Remedy Big Tech Censorship?

Kaleb Byars
Kaleb Byars argues that while Big Tech censorship may constitute antitrust harm, without reform current law does not provide antitrust agencies or the courts a remedy.
Antitrust and Competition

Now Is the Time To Correct Residency Match and (Especially) Other Competition Issues in the Physician Market

Barak Richman
Barak Richman writes that the recently announced investigation of the House Judiciary subcommittee for antitrust into the residency match antitrust exemption presents an opportunity...
Book Excerpts

China’s Regulatory Balancing Act

Angela Zhang
The following is an excerpt from Angela Zhang's recent book, High Wire, out at Oxford University Press. Please join the Stigler Center on April 3 at 6:30-7:30 pm CT for a conversation with Zhang, where she'll discuss High Wire with Financial Times' China Technology Correspondent Eleanor Olcott. You can register for the livestream of the event here.
Antitrust and Competition

A TikTok Ban Would Raise Ad Prices on Meta and Harm Small Business

Dante Donati
In new research, Dante Donati and Hortense Fong find that the brief TikTok outage in January benefited Meta as advertisers turned to its platforms to reach users. Small businesses, less able to switch, lost out.
Antitrust and Competition

Competition Regulation of Digital Platforms in China

Liyang Hou
Liyang Hou investigates the recent antitrust enforcement in China’s digital sector and highlights how formalistic dominance assessments and merger reviews have shaped the country’s approach to regulating its platform economy.
Commentary

Breaking Trust in the Government Will Not Be Efficient in the Long Run

Alan Jagolinzer
Alan D. Jagolinzer and Jacob N. Shapiro write that the new Trump administration’s efforts to improve government efficiency through the cancellation of contracts and other promises will inevitably raise costs as businesses and investors demand a risk premium to account for lost trust.
Antitrust and Competition

The Neo-Brandeisian Movement Must Build an Informational Infrastructure To Sustain and Extend Its Contributions

Michelle Meagher
Michelle Meagher writes that to preserve its contributions to the marketplace of ideas about antitrust, the Neo-Brandeisian movement must build out an infrastructure that archives its ideas and makes them accessible to the public. It must also continue to make its case for its core contributions to this marketplace, including on bigness and per se rules.
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ProMarket is dedicated to discussing how competition tends to be subverted by special interests. The posts represent the opinions of their writers, not necessarily those of the University of Chicago, the Booth School of Business, or its faculty. For more information, please visit ProMarket Policy.