What is Fairness?
Fairness in behavioral economics refers to people’s strong, often irrational preference for equitable outcomes. People will reject objectively profitable offers that feel unfair and will pay costs to punish others who violate fairness norms.
How it works
The ultimatum game demonstrates this clearly: when one player proposes how to split a sum of money, the other player frequently rejects low offers (such as 20/80 splits) even though accepting any amount is better than getting nothing. This behavior contradicts rational self-interest but is consistent across cultures.
Applied example
An employer who gives identical bonuses to two employees doing the same work will maintain morale, but if one learns the other received more for the same effort, productivity and loyalty drop, even if the absolute bonus amount was generous.
Why it matters
Fairness preferences drive labor disputes, consumer boycotts, and public resistance to dynamic pricing, making them essential to understand when designing policies, pricing strategies, and compensation structures.



