Combining Voting Rules Together [article]

Nina Narodytska, Toby Walsh, Lirong Xia
2012 arXiv   pre-print
We propose a simple method for combining together voting rules that performs a run-off between the different winners of each voting rule. We prove that this combinator has several good properties. For instance, even if just one of the base voting rules has a desirable property like Condorcet consistency, the combination inherits this property. In addition, we prove that combining voting rules together in this way can make finding a manipulation more computationally difficult. Finally, we study
more » ... he impact of this combinator on approximation methods that find close to optimal manipulations.
arXiv:1203.3051v1 fatcat:244hji72b5ahzk2kqecyi76q5q