📈 Economics Undergraduate

Behavioural Economics and the Limits of Nudge Policy

708 words 3 min read 3 views Added 21 Aug 2026

Nudge policy promised large welfare gains from small, cheap interventions. A decade of replication work has narrowed that promise considerably. This essay reviews the evidence on default effects, framing and salience interventions, and argues that nudges work best precisely where they matter least — and that the political appeal of nudging lies in its avoidance of distributive conflict.

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What's inside

1 Abstract
2 The Original Case for Choice Architecture
3 Default Effects: The Strongest Evidence
4 The Replication Correction
5 Effect Sizes and Policy Significance
6 Why Nudging Avoids Distributive Questions
7 Conclusion
8 References

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