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Research

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

Can Middleware Save Social Media From Big Tech?

Madhavi Singh
Big Tech’s monopoly over online discourse threatens democracy. "Middleware" promises a path forward by adding competitive, customizable layers of recommendation algorithms. But can middleware...
Antitrust and Competition

Why Rising Markups Hurt Innovation and Widen Inequality

Giammario Impullitti
Over the past four decades, the United States has seen rising market power, slowing productivity growth, and deepening wealth inequality. In new research, Giammario...
Antitrust and Competition

Lessons From General Electric Show Why We Need a Merger Cap

Carl Bogus
In new research, Carl T. Bogus uses General Electric as a case study to argue that regulators should prohibit companies that have reached a certain size from growing through mergers and acquisitions due to more common inefficiencies and their outsized harms to stakeholders and society.
Regulatory Capture

For My Enemies, Tariffs; For My Friends, Exemptions

Veljko Fotak
New research from Veljko Fotak, Hye Seung Grace Lee, William Megginson, and Jesus Salas shows that the United States tariff exemption process during the...
Capture

New Research Shows the Revolving Door Costs Taxpayers Billions

Logan Emery
New research by Logan Emery and Mara Faccio systematically maps the movement of former regulators into the private sector and assesses its impact on...
Cultural Economics

Peltzman Finds “Marriage Premium” in Happiness Data

ProMarket writers
New research by Sam Peltzman finds that married individuals consistently report significantly higher happiness levels than unmarried individuals across all demographics. Using five decades...
ESG, Corporate Governance & Future of the Firm

ESG Investing Pushes Firms To Evolve Corporate Governance

Jitendra Aswani
In new research, Jitendra Aswani and Roberto Rigobon find that investments raised on sustainable bond markets force firms to make material changes to corporate...
ESG, Corporate Governance & Future of the Firm

Concerns About Layoffs and CEO Pay Dominate Shareholder Preferences

Zwetelina Iliewa
A new study by Zwetelina Iliewa, Elisabeth Kempf and Oliver G. Spalt finds that Americans often prioritize moral values over financial gains when evaluating...
Antitrust and Competition

How Both the Chicago School and Ordoliberalism Softened on Big Businesses

Ryan Stones
In new research, Ryan Stones revisits the alleged disagreement between two influential schools of antitrust on how to handle big businesses. Instead of finding contrasting policy recommendations, he highlights a strikingly similar relaxation of attitudes toward enforcement in the Chicago School and Ordoliberalism in the post-war period.
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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.