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08 Ethics

skin in the game

by Nassim Nicholas Taleb

Core Idea

Symmetry of risk. Those who make decisions must bear the consequences. No accountability without exposure. People behave differently when they have something at stake.

key principles

  • 01

    No asymmetry without consequence

    When upside and downside aren't symmetric, incentives corrupt. Bailouts, limited liability, and externalities create moral hazard.

  • 02

    Soul in the game

    Beyond financial risk: reputation, relationships, meaning. Some games require more than money at stake.

  • 03

    Minorities rule when they have skin

    Intransigent minorities who won't compromise force majorities to adapt. The kosher food supply, for instance.

  • 04

    Practice before preaching

    Don't trust those who advise without exposure. The surgeon who wouldn't undergo their own procedure; the economist who doesn't invest.

applications

Business
Founders vs. managers
Founders have skin in the game. Hired managers may optimize for personal gain, not company survival.
Medicine
Iatrogenics
Doctors who prescribe without suffering consequences may over-intervene. Second opinions help when first opinion has no skin.
Politics
Those who don't pay
Bureaucrats who make war decisions but don't fight. Advisors insulated from consequences of their advice.
Finance
Bailouts
When banks keep profits but socialize losses, they take excessive risk. Skin in the game would correct this.

The Principle of Symmetry

Skin in the game is about alignment of risk and reward. When decision-makers bear the consequences of their decisions, they behave differently—more carefully, more honestly, more responsibly.

Modern civilization has systematically removed skin from the game through limited liability, bailouts, and professional insulation. This creates fragility and corruption.

Key Quote

“Don’t tell me what you think, tell me what you have in your portfolio.” — Nassim Nicholas Taleb, Skin in the Game