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AI Trading Algorithms Can Make Markets Less Competitive

July 3rd, 2026
7 minutes
Jean-Edouard Colliard, Thierry Foucault, Stefano Lovo

AI-driven trading can blunt competition and even lift prices in financial markets. 

Research insights from HEC Paris faculty

Gaming the Machine: How Strategic Interactions Shape AI Outcomes

Can algorithms be fooled by the very people they’re meant to assess? HEC Paris PhD candidate Atulya Jain provides some answers.

Atulya Jain

Could AI Trigger the Next Financial Crisis?

Research by HEC Paris Professor Thierry Foucault reveals how AI transforms financial forecasting and trading, but may also magnify systemic risk and market fragility.

Thierry Foucault

Digital Platforms Now Write Rules - Not Just Code

Digital platforms can act as private regulators, shaping markets, social movements, and compliance. HEC Paris PhD graduate Madhulika Kaul explains why.

Madhulika Kaul

How Community Structure and Social Connections Catalyze Corporate Scandals

Scandals rarely emerge in a vacuum. research by Julien Jourdan reveals that their exposure depends on community structure, social connections, and the local ties of the organizations involved.

Julien Jourdan

Disgust in Ads Isn’t Just About Shock - It Shapes Behavior

Disgust in advertising influences status, generosity, and our sense of self. That’s one of the conclusions from HEC Paris professor L.J. Shrum’s research.

L. J. Shrum

Merit Isn’t Neutral - And English Isn’t Either

English and “merit” reinforce inequality in academia and beyond. That’s the conclusion of HEC Paris professors Daniel Martinez and Keith Robson.

Daniel Martinez Ahloy, Keith Robson

Fewer Ph.D. Founders Threaten Startup-Led Innovation

Research by HEC Paris professor Thomas Åstebro and collaborators shows how growing knowledge complexity drives Ph.D.s away from startups and into large firms, with risks for economic dynamism.

Thomas Åstebro

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