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Overcoming Bias Commenter's avatar

Likely, like pretty much all verbal/signaling behavior this is self-referential. Our promises are too our selves mainly and self-syntonic. Another way to maintain homeostasis internally -- maybe a little socially as well.

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Robin Hanson's avatar

TGGP, if people get upset when you break your promises, promising more does cost you more, so there is a credible costly signal here.

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