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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

Who Will Win the Tug-of-War Between Europe and Big Tech?

Italy’s fine against Apple’s App Tracking Transparency (ATT) puts privacy design under antitrust scrutiny. Evidence suggests regulators should measure who is harmed, and design targeted remedies. 

7 minutes
Klaus Miller

When Oscar Nominations Make Audiences Harsher

A new study shows that “quality signals” can backfire: Academy Award nominations can lower viewers’ ratings by raising expectations.

7 minutes
Michelangelo Rossi, Felix Schleef

How Competition and Job Mobility Shape Investment in Workers

Young scholar's research shows that firms delay training for fear of losing employees to rivals.

6 minutes
Giacomo Rostagno, Céline Bonnet-Laquitaine

Overlooking Vulnerability Can Harm Everyone, Including Your Business

Drawing on insights from HEC Paris faculty, Octavio de Barros, postdoctoral researcher maps how businesses can respond to vulnerability without defaulting to control, charity, or silence.

Octavio Augusto de Barros

Rankings Nudge CSR - But What Happens at the Margins?

Research by the late professor Wooseok Jung on marginal firms reveals that status anxiety drives CSR policy shifts more than real commitment.

Wooseok Jung

Rearming Europe Requires a New Approach to Secrecy

Research by Sihem Ben Mahmoud-Jouini shows how European defense firms can maintain openness and protect sensitive knowledge.

Sihem Ben Mahmoud-Jouini

Did EU Data Laws Really Rein in Online Tracking?

Europe’s landmark data legislation slowed down online surveillance, but didn’t stop it. Klaus Miller shows tracking has grown - just less aggressively, and with more disclosure. 

6 minutes
Klaus Miller

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