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Loss aversion

A compact thinking tool for spotting patterns and avoiding mistakes.

  1. The useful idea

    In cognitive science and behavioral economics, loss aversion is a cognitive bias in which the same situation is perceived as worse if it is framed as a loss, rather than a gain.

  2. How it works

    It should not be confused with risk aversion, which describes the rational behavior of valuing an uncertain outcome at less than its expected value.

  3. Why it matters

    When defined in terms of the pseudo-utility function as in cumulative prospect theory (CPT), the left-hand of the function increases much more steeply than gains, thus being more "painful" than the

Use Loss aversion as a quick check before trusting your first conclusion.

Use Loss aversion as a quick check before trusting your first conclusion.

Test your recall

Which idea belongs to the explanation of Loss aversion?

  • How it works
  • The useful idea — correct
  • Why it matters

In cognitive science and behavioral economics, loss aversion is a cognitive bias in which the same situation is perceived as worse if it is framed as a loss, rather than a gain.

EvergreenLast verified 2026-07-19

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