KhizooologyMisbehaving
People do not behave like perfect calculators.
Big Idea
Thaler argues that economic models become more useful when they account for how people actually decide, including predictable departures from ideal rationality.
Humans and Models
A model of flawless calculation can miss important details of real choices.
Mental Accounts
People divide money into imagined buckets even when the money could serve the same practical purpose.
Ownership Changes Value
People may demand more to give something up than they would pay to acquire it.
Planner and Doer
Longer-term intentions can conflict with what feels attractive in the present.
Fairness Matters
People can reject financially attractive offers when they see the terms as unfair.
- These patterns vary with circumstances; they do not label every choice irrational.
Khizooo Take
When a choice seems puzzling, examine how it is framed and what the person values before blaming poor calculation.
- Educational book ideas, not personalized financial advice or promised returns.
Remember
A useful model leaves room for real people.