Sunk Cost Fallacy

Letting what you've already spent decide what you do next. Only future costs and benefits should matter, but "we've already put a year into this" wins most meetings. Arkes & Blumer (1985) is the classic paper.

Source: Sunk cost (Wikipedia).

See also: Escalation Of Commitment, Ikea Effect. From How do organizations throw (AI) stuff away?

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# Oct 23, 2026
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