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A non-monetary form of Clarke pivotal voting

Pivato, Marcus (2007): A non-monetary form of Clarke pivotal voting.


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The Clarke Pivotal Voting Mechanism (CPVM) elicits truthful revelation of utility functions by requiring any `pivotal' voter to pay a monetary `Clarke tax'. This neglects wealth effects and gives disproportionate power to rich voters. We propose to replace the `Clarke tax' with a lottery, wherein the pivotal voter risks long-term exclusion from the CPVM (and any other formal political participation). The resulting voting mechanism is nonmanipulable, politically egalitarian, and implements something close to Relative Utilitarianism.

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