Behavioral Economics

    Present Bias

    1 min read·Updated regularly
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    Summary

    Present bias is the tendency to place disproportionate weight on immediate rewards compared with future ones. It explains why people sincerely intend to save next month and sincerely fail to save this month — and why pre-commitment devices work better than resolutions.

    Reading time
    1 min
    Difficulty
    Intermediate
    Section
    Research

    What the research shows

    Laibson's quasi-hyperbolic discounting model (1997) formalised the pattern: people apply a sharp extra discount to anything that is not immediate, which makes preferences inconsistent over time. O'Donoghue and Rabin (1999) showed how this produces procrastination even among people who are fully aware of their own tendency.

    Why saving suffers most

    Saving is a textbook present-cost, future-benefit decision. The cost is felt now and precisely; the benefit is abstract and later. Under present bias, that trade loses by default, which is why 'I'll start next month' is the most common saving plan in existence.

    What actually counters it

    Pre-commitment — deciding now for a future self who cannot easily reverse it. Save More Tomorrow used this by committing future pay raises. Automatic scheduled transfers use it too: the decision is made once, in advance, and no future moment of sacrifice is required.

    Reducing the present cost

    The second counter is to shrink the immediate cost until the bias has almost nothing to act on. A contribution sized to be unnoticeable is not really competing with present consumption at all.

    Relevance to Squirrellling

    Both counters are built in: the amount is deliberately negligible, and the schedule is set once rather than reconsidered daily.

    Key Takeaways

    • Immediate costs are over-weighted relative to future gains.
    • Awareness alone does not fix procrastination.
    • Pre-commitment and automation are the effective countermeasures.
    • Shrinking the present cost removes the bias's leverage.

    Frequently Asked Questions

    Is present bias irrational?

    It is inconsistent rather than stupid — and it is close to universal, which is why systems beat self-blame.

    References

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