Ability Quote by Milton Friedman
“...theories should be judged by their ability to predict events rather than by the realism of their assumptions.”
About This Quote
Source Book: Capitalism and Freedom, 1962
Theory should be judged by predictive power, not by how realistic its assumptions seem.
In simple terms: Predictive accuracy matters more than realism.
Key Takeaway
Prioritize testable predictions.
Themes
science
economics
methodology
Mood
analytical
critical
Type
theoretical
pragmatic
When to use this quote
- policy analysis
- research design
- investment decisions
Key Concepts
falsifiability
modeling
Questions to Reflect On
- Do you trust a model that predicts well but rests on odd premises?
- How to balance simplicity and realism?
A Different Perspective
Realistic assumptions can still mislead if predictions fail.
