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Ambiguity Aversion
“One urn states its odds; the other stays silent. The prize can be identical.”
01 / SUMMARY
In short
Many people prefer risks with known probabilities over options whose probabilities are uncertain. That preference for defined information can produce choices that do not fit one coherent probability calculation.
03 / SCENE
In the wild
Someone chooses to bet on red in a 50/50 urn over one with an unknown mix, then makes the same choice when betting on black.
04 / LIMIT
The limit
Avoiding unknown uncertainty is not always a bias; it may reflect distrust or missing information with real value.
FINAL NOTE
What remains
Separate the possible outcome from confidence in its estimate, then decide what reducing that uncertainty is worth.