Abating gerrymandering by mandating fairness
Procaccia, Ariel D.
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First author draft
Citation (published version)Johannes Benade, Ariel D Procaccia. 2020. "Abating gerrymandering by mandating fairness."
Political redistricting has been at the center of a rancorous public and legal debate overvoting rights and partisanship in the U.S. Even in cases where there is a desire to craft districtings that are acceptable to both sides of the aisle, it is unclear how to do so. Our proposed approach to this problem combines fair division and optimization; at its heart is a rigorous notion of fairness for districtings, which we call the fair coin ﬂip guarantee. We apply our approach to district four U.S. states, and ﬁnd that enforcing fairness does not come at a signiﬁcant cost to traditional measures of quality.