Beliefs are shaped by local incentives, not rational analysis: when to trust people's convictions

nabla_theta · x · 2026-09-20

The author argues people aren't rational agents who form correct beliefs and then maximize utility — local incentives shape beliefs in irrational ways, which is why social conventions exist around when to take someone's beliefs seriously.

His follow-up point: since people are biased toward beliefs aligned with short-term local incentives, a belief held despite those incentives is more noteworthy than one that conveniently matches them.

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