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#1 On Rational Delegations in Liquid Democracy [PDF] [Copy] [Kimi]

Authors: Daan Bloembergen ; Davide Grossi ; Martin Lackner

Liquid democracy is a proxy voting method where proxies are delegable. We propose and study a game-theoretic model of liquid democracy to address the following question: when is it rational for a voter to delegate her vote? We study the existence of pure-strategy Nash equilibria in this model, and how group accuracy is affected by them. We complement these theoretical results by means of agent-based simulations to study the effects of delegations on group’s accuracy on variously structured social networks.