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Mind & biases2 MINBrief fileEstablished evidence

Present Bias

Between eleven dollars tomorrow and ten today, the one-day wait weighs more when it starts now.

01 / SUMMARY

In short

Immediate rewards can receive disproportionate weight relative to later rewards. Preferences may even reverse as the moment approaches, a pattern consistent with nonconstant discounting.

03 / SCENE

In the wild

On Monday you choose to study on Saturday, but on Saturday an immediate activity wins even though the exam is equally close.

04 / LIMIT

The limit

Preferring the present is not always irrational: the future is uncertain and waiting can carry real costs.

FINAL NOTE

What remains

Decide in advance and reshape the environment before the immediate reward enters the contest.

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Editorial review: 2026-08-06

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