Revealed Preference
Version 1.0.0 · Updated 2026-07-30
CORE DEFINITION
Don't listen to what consumers say they like (stated preference), but watch what they do (where they spend their money). Only preferences revealed through actual choice behavior are real. Scaffolding role: - Distinguishing truth from falsehood: User surveys say 'I would buy eco-friendly products,' but at checkout they buy cheaper non-eco-friendly products. When making decisions, always trust the vote of the wallet, not the vote of the questionnaire.
SCAFFOLDING EFFECT
Reduce cognitive load
- Distinguishing truth from falsehood: User surveys say 'I would buy eco-friendly products,' but at checkout they buy cheaper non-eco-friendly products. When making decisions, always trust the vote of the wallet, not the vote of the questionnaire.
Anchor fast decisions
Samuelson proposed: there is no need to ask people what they prefer, but to infer from their actual choices—under budget constraints, 'voting with one's feet' reveals true preferences, which is superior to verbal statements.
MINIMUM ACTION
In progress 0/3Practice this model in one real situation:
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Source support: Explicit
- zh.wikipedia.orghttps://zh.wikipedia.org/wiki/%E9%A1%AF%E7%A4%BA%E6%80%A7%E5%81%8F%E5%A5%BDverified
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