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Regulation

Antitrust and Competition

The DMA’s Google Maps Experiment Shows That Competition Is Not One Click Away

Louis Pape
In new research, Louis Pape and Michelangelo Rossi find that the European Union’s Digital Markets Act’s prohibition on self-preferencing had little effect on the popularity of Google Maps relative to competitors. User preference for the incumbent service appears to outweigh frictional barriers to access.
Democracy

Large Donors’ Networks Matter More Than Their Dollar Contributions

Marco Battaglini
In new research, Marco Battaglini, Valerio Leone Sciabolazza, Mengwei Lin and Eleonora Patacchini study how the deaths of large donors change candidates’ electoral results and congressional activity in a new measure of donors’ influence in American politics.
Culture & Society

Consumers Prefer AI Music Until They’re Told It’s AI

Jana Friedrichsen
Across three studies, Jana Friedrichsen, Julia Schwarz, and Michel Clement explore how generative AI will change the music industry. They find that while consumers enjoy and even prefer AI-generated music, preferences shift upon learning that the song was AI-generated.
Regulation

Free Speech Protections Boost Innovation

Swarnodeep Homroy
Firms may file a strategic lawsuit against public participation (SLAPP) against civil society to silence criticism for socially harmful activity, such as the use of dirty technologies. In new research, Swarnodeep Homroy finds that legal protections for free speech push firms to address some of these criticisms by developing new technologies.
Regulation

Federal Agency Independence Is in Jeopardy. Right When It Has Started to Matter

Cree Jones
In new research, Cree Jones, Tyler B. Lindley, and Thomas Smith investigate how restrictions on the president to remove independent agency officials affect agency behavior. Such restrictions have historically had surprisingly little effect. However, recent political polarization has drastically increased the importance of removal restrictions in blocking political influence.
Antitrust and Competition

Can AI Catch Cartels Across Borders?

Yoan Hermstrüwer
In new research, Yoan Hermstrüwer and David Imhof analyze how AI can help antitrust authorities predict cartels by assessing international bidding data in countries with similar legal and market structures.
Cultural Economics

A New Firearms Tax Design Could Reduce Homicides Without Costing Gun Owners

Luis Armona
In new research, Luis Armona and Adam Rosenberg argue that current state firearm excise taxes inadequately address gun-related crimes. They propose a tax that benefits society by targeting guns responsible for the most homicides, while accommodating the challenging political economy of firearms regulation in the United States.
Antitrust and Competition

The Shortcomings of Merger Policy Based on the Herfindahl-Hirschman Index

Eric Dunaway
In new research, Eric Dunaway, Ana Espinola-Arredondo, and Felix Munoz-Garcia examine the Herfindahl-Hirschman Index (HHI) as a tool for merger review and show where it diverges from the consumer-surplus and total-welfare standards. In particular, the HHI fails to account for potential efficiency gains.
Health Care

How Competition Has Increased Fraud in Medicare’s DME Program

Renuka Diwan
In new research, Renuka Diwan, Paul Eliason, Riley League, Ryan C. McDevitt, James W. Roberts, and Jetson Leder-Luis investigate how Medicare’s shift to a competitive bidding system to reduce prices has inadvertently shifted market share to fraudulent suppliers.
Democracy

How Bans on Corporate Political Donations Influence Campaign Platforms

Julia Cagé
Julia Cagé, Caroline Le Pennec, and Elisa Mougin discuss their recent research on France’s 1995 ban on corporate contributions to political campaigns. The ban pushed candidates to de-emphasize local politics in favor of national issues and, in many cases, adopt more extreme rhetoric.
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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.