Gibbard–Satterthwaite theorem

ID: gibbard-satterthwaite-theorem

The Gibbard–Satterthwaite theorem is a fundamental result in social choice theory and mechanism design that addresses the limitations of voting systems. It states that any voting rule (or voting mechanism) that satisfies certain reasonable conditions is susceptible to strategic manipulation, meaning that voters can gain by misrepresenting their true preferences.

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