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Giving Humans the Final Say Can Make AI Decisions Worse

September 14th, 2026
6 mins
Olivier Sibony

When algorithms outperform experts, human oversight may protect legitimacy... but it may also simply restore the errors AI was meant to correct.

Research insights from HEC Paris faculty

Not All Team Fights Kill Creativity

Task-related disagreements can boost creativity when they involve the right people and teams share common goals. By contrast, personal conflicts between key team members undermine cohesion and can significantly weaken innovation. 

5 minutes
Brad Harris

Interpreting the Stock Market Depends on How Well You Interact with your GenAI and Learn from it

Evidence from 1.7 million queries on a Generative AI platform reveals how retail investors use GenAI to interpret market information, and why it’s a challenge for firms, AI platforms and regulators.

6 minutes
Xitong Li, Yilan Li

Why Longer Regulations Aren’t Necessarily More Complex 

Cutting pages may do little to reduce compliance costs if the underlying rules and concepts remain unchanged. 

5 minutes
Jean-Edouard Colliard

Fast Delivery or Deep Learning? Dilemma in Ecosystem Exploration Projects

When innovation depends on multiple partners and technologies, how firms divide the work determines whether they show progress fast or build the knowledge they need internally.

5 minutes
Sihem Ben Mahmoud-Jouini

Sell First, Market Later: The Go-to-Market Sequence Every B2B Startup Needs

Tracking 300+ B2B high-tech startups reveals when personal selling and mass-media marketing drive performance, and when they backfire.

5 minutes
Arnd Vomberg

AI Trading Algorithms Can Make Markets Less Competitive

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

7 minutes
Jean-Edouard Colliard, Thierry Foucault, Stefano Lovo

How Boardroom Diplomacy Could Reshape Peace in Middle East

As private-sector figures enter peace negotiations, future business leaders need sharper geopolitical judgment about modern conflicts to interpret these developments for responsible decision-making.

5 minutes
Julia EMTSEVA

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