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Monthly Archives: July, 2025

Stigler Center News

Announcing the 2025 Stigler Center Affiliate Fellows

ProMarket writers
The second Affiliate Fellows cohort at the Stigler Center at Chicago Booth is a multidisciplinary group of economists, business scholars, lawyers, and political scientists.
Research

How Toxic Content Drives User Engagement on Social Media

Rafael Jiménez-Durán
Most users on social media have encountered toxic content: rude, disrespectful, or hostile posts or comments. A study using a browser extension estimates the effect of toxic content on user engagement and welfare.
Antitrust and Competition

European Labor Antitrust Has Reached a Defining Moment. How Far Will It Go?

Jan Broulík
Jan Broulík writes that the interest and willingness of European competition authorities and courts to intervene in markets to protect labor has made critical strides over the last few months. However, it still has a ways to go to even catch up with its American counterpart.
Antitrust and Competition

Returning Antitrust to the People

Matthew Lucky
Stigler Center Assistant Director Matt Lucky reflects on the comments from his panel on competition advocacy at the 2025 Stigler Center Antitrust and Competition Conference. He weighs the meaning and possibility for a democratically legitimate antitrust and competition policy.
Book Excerpts

Markets Have Always Needed the State

Chris Hughes
The following is an excerpt from Chris Hughes’ new book, “Marketcrafters: the 100-Year Struggle to Shape the American Economy,” now out at Simon & Schuster. You can listen to Hughes discuss his book with Bethany McLean and Luigi Zingales on a new Capitalisn't episode here.
Antitrust and Competition

The DMA Whistleblower Tool Needs a Revamp

Sarah Hinck
In new research, Sarah Hinck and Jasper van den Boom argue that the European Union’s Digital Markets Act’s (DMA) whistleblower tool does not yet bring enough to the table to effectively incentivize potential informants to report on Big Tech violations.
Commentary

Financial Regulators Must Pursue a Multidisciplinary Approach to New Technology

Claudia Biancotti
Crypto assets and social media are changing how finance operates. Uncertainty around the future of AI is affecting financial markets. Claudia Biancotti argues that regulators must expand their range of expertise and pursue a multidisciplinary approach to protecting society against the potential negative spillovers from these developments.
Regulatory Capture

The Politics of Fragmentation and Capture in AI Regulation

Filippo Lancieri
In new research, Filippo Lancieri, Laura Edelson, and Stefan Bechtold explore how the political economy of artificial intelligence regulation is shaped by the strategic behavior of governments, technology companies, and other agents.
Democracy

The Relevance of Citizens United After Trump-Style Populism

Jacob Eisler
Fifteen years after Citizens United opened elections to corporate campaign financing, Jacob Eisler asks if the ruling remains relevant after Donald Trump won in 2016 and 2024 through small donations and social media savvy rather than traditional reliance on kingmaking donors.
Antitrust and Competition

Assessing the Technical Feasibility of a Google Chrome Divestiture

Eric Rescorla
In a new report, Eric Rescorla and Alissa Cooper analyze how Google’s browser, Chrome, could operate successfully as an independent entity if the court presiding over Google Search orders its divestiture.
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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.