Money

Misbehaving: 6 key ideas

The core ideas of Misbehaving, each in under a minute, written in our own words. Want the full depth? Get the book.

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  1. IDEA 1 OF 6

    Supposedly irrelevant factors

    Standard economics says things like sunk costs or framing shouldn't matter.

    In practice they change behaviour all the time.

  2. IDEA 2 OF 6

    Mental accounting

    People treat money differently depending on where it came from or what it's labelled for, even though money is interchangeable.

  3. IDEA 3 OF 6

    The endowment effect

    People demand more to give up something they own than they would pay to get it.

  4. IDEA 4 OF 6

    Fairness matters

    People will punish unfair offers even at a cost to themselves.

    Pricing that feels like gouging backfires.

  5. IDEA 5 OF 6

    Self-control problems

    People know what they should do but struggle to do it.

    Commitment devices help.

  6. IDEA 6 OF 6

    Markets aren't always efficient

    Investor overreaction creates mispricing that patient investors can exploit.

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