How Exactly Does Common Ownership Harm Competition? A Conversation with Florian Ederer, Jerry S. Cohen Award Winner for Antitrust Scholarship

About this episode

Leslie Marx interviews Florian Ederer about the anticompetitive effects of common ownership and his award-winning article on the topic.

In this episode of Ruled by Reason, guest host Leslie Marx , the Robert A. Bandeen Distinguished Professor of Economics at Duke University's Fuqua School of Business, sits down with Professor Florian Ederer to discuss his award-winning article, Common Ownership, Competition, and Top Management Incentives , 131 J. Pol. Econ 1294 (2023) . Professor Ederer is the Allen and Kelli Questrom Professor in Markets, Public Policy & Law at Boston University's Questrom School of Business. His article, co-authored with Professors Miguel Antón and Mireia Giné of the IESE Business School and Martin Schmalz of the University of Oxford Saïd Business School, won the 22nd Annual Jerry S. Cohen Memorial Fund Writing Award, presented on May 22 at AAI's 2024 Annual Policy Conference, New Thinking on the Antitrust Treatment of Collective Action: Organized Labor, Countervailing Power, and Algorithmic Price Setting . The article helps explain the existing empirical evidence on the anticompetitive effects of common ownership and meaningfully advances our understanding of the underlying theory behind the effects. Among other things, Professor Marx and Professor Ederer discuss the theoretical and empirical…

People in this episode

Host: Leslie Marx

Guest: Florian Ederer

Topics covered

• common ownership
• competition
• antitrust scholarship
• top management incentives
• empirical evidence
• anticompetitive effects

Keywords

• common ownership
• competition
• antitrust
• management incentives
• empirical evidence
• theory
• Florian Ederer

Mentioned in this episode

Organizations: Duke University, Boston University, IESE Business School, University of Oxford Saïd Business School, American Antitrust Institute

Books & works: Common Ownership, Competition, and Top Management Incentives

More episodes of Ruled by Reason

• Making Big Tech Antitrust Remedies Stick Beyond the Courtroom: A Conversation with Ron Schnell · April 7, 2026 · 1h 1m
• Taking an "Extra" Look at Addressing Monopolization: A Conversation with Jennifer Sturiale · December 18, 2025 · 52 min
• The Three-Legged Stool of U.S. Antitrust Enforcement: A Conversation with Michael Kades · November 24, 2025 · 36 min
• From Labor Market Theory to Antitrust Policy: A Conversation with Ioana Marinescu · October 10, 2025 · 42 min
• Monopolizing by Conditioning: A Conversation Between Jack Kirkwood and Daniel Francis, Jerry S. Cohen Award Winner for Antitrust Scholarship · August 20, 2025 · 46 min
• Applying Computer Science Principles to Police Modern Cartels: A Conversation with Giovanna Massarotto · July 9, 2025 · 38 min