Reciprocal Score Voting: Difference between revisions

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[[Score voting]] and other cardinal systems are susceptible to the [[chicken dilemma]] and other situations which occurs when similar groups penalize one another by not cooperating. '''Reciprocal Score Voting (RSV)''' is an unusual attempt to address this lack of cooperation by explicitly and safely rewarding it, and punishing those who do not cooperate.
 
Most strategy-optimizing systems, like [[Approval Voting]] or [[Instant-Runoff Voting]], deal with strategy by ensuring voters can never cast a "weak" vote that may be exploited by opposing groups. This way, an equilibrium of aggression is reached by removing the opportunity for collaboration altogether. In contrast, Reciprocal Score Voting aims to encourage collaboration by rewarding it and punishing aggression. RSV attempts to reward truces instead of removing the possibility of truce.
 
== Premise ==
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The idea is to tie how much support a faction's preferred candidate receives from other factions by how much that candidate's faction has supported those other factions. In other words, support must be given to be received, encouraging reciprocation, hence the name.
 
To do this, voters are split into factions and ballots of each faction are used to rate other factions. These mutual factional ratings are then used to adjust each voter's ballots, so that between any two factions their average ratingmutual isratings are equal. For example, if faction A rates faction B an 8, but B rates A a 5, the scores given by voters in faction A will be adjusted so that the mean rating of faction A towards B is also 5 instead of the original 8.
 
In other words, supportSupport is capped by the lowest amount of reciprocation. This way, all factions are encouraged to mutually give higher ratings to one another, while striking a balance in not supporting too much.
 
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