additional member system andrew inglis clark approval voting australia australian senate bc-stv barrister borda count british columbia british empire bucklin voting cpo-stv closed list condorcet criterion condorcet method counting single transferable votes cumulative voting denmark droop quota electoral reform society electoral district electoral system of new zealand exhaustive ballot group voting ticket hare quota highest averages method history and use of the single transferable vote independence of irrelevant alternatives instant-runoff voting issues affecting the single transferable vote john stuart mill kemeny-young method largest remainder method limited voting malta matrix vote minimax condorcet mixed member proportional representation monotonicity criterion new zealand northern ireland open list parallel voting party-list proportional representation plurality-at-large voting plurality voting system preferential block voting preferential voting proinsias mac aonghusa proportional representation quota borda system random ballot range voting ranked pairs republic of ireland rigsdag schulze stv schulze method scotland single-winner voting system single non-transferable vote sortition tasmanian house of assembly thomas hare thomas wright hill two-round system voting system walter bagehot wasted vote