KnowraSingle transferable voteLinked fromLinked fromThe 7 pages that link to Single transferable vote, each with the reason it gives.All 7Broader topic 3Related 1Compared with 3Proportional representationBroader topic: It achieves proportional outcomes while letting voters rank individual candidates.Social choice theoryBroader topic: It extends preference aggregation from choosing one winner to allocating several seats.Electoral systemRelated: Transfers and quotas allocate several seats from ranked ballots.Mixed-member proportional representationCompared with: It can produce proportional outcomes through multi-member districts rather than compensatory party lists.Duverger's lawCompared with: Multimember districts and transferable preferences can support more than two viable parties.Catherine Helen SpenceBroader topic: Spence championed this specific method as a fairer way to elect representatives.Electoral districtCompared with: It uses multi-member districts to produce proportional outcomes through ranked ballots.