A team performs better when an outsider introduces social friction, even though the group believes it performed worse.

Drawn from what Tim Harford said

What this subject means

management Running the place: an executive's calendar, dissent, severance, and what a manager is actually for.

What Tim Harford actually said

Do you hold this korrent?Do you also believe this?

Shared subject first, then similar wording. They may agree or disagree.