5 papers
Bloc Voting on Single Peaked Preferences
Ariel Calver, Serena Pallan, Alice +2
We analyze the winning coalitions that arise under Bloc voting when voters preferences are single-peaked. For small numbers of candidates and numbers of winners, we determine condi…
Can ranked-choice voting elect the least popular candidate?
David McCune, Jennifer Wilson
We analyze how frequently instant runoff voting (IRV) selects the weakest (or least popular) candidate in three-candidate elections. We consider four definitions of ``weakest candi…
Instant Runoff Voting and the Reinforcement Paradox
David McCune, Jennifer Wilson
We analyze the susceptibility of instant runoff voting (IRV) to a lesser-studied paradox known as a \emph{reinforcement paradox}, which occurs when candidate wins under IRV in…
Multiwinner Elections and the Spoiler Effect
David McCune, Jennifer Wilson
In the popular debate over the use of ranked-choice voting, it is often claimed that the method of single transferable vote (STV) is immune or mostly immune to the so-called ``spoi…
The Negative Participation Paradox in Three-Candidate Instant Runoff Elections
David McCune, Jennifer Wilson
In this paper, we provide theoretical and empirical estimates for the likelihood of a negative participation paradox under instant runoff voting in three-candidate elections. We de…