Project-Fair and Truthful Mechanisms for Budget Aggregation
Rupert Freeman,
Ulrike Schmidt-Kraepelin
Abstract:We study the budget aggregation problem in which a set of strategic voters must split a finite divisible resource (such as money or time) among a set of competing projects. Our goal is twofold: We seek truthful mechanisms that provide fairness guarantees to the projects. For the first objective, we focus on the class of moving phantom mechanisms, which are -- to this day -- essentially the only known truthful mechanisms in this setting. For project fairness, we consider the mean division as a fair baseline, an… Show more
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