Zero-sum game: Difference between revisions

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m (Rewrote language slightly to imply that imperfect/perfect information is orthogonal to zero/non-zero sum.)
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A zero-sum game is one in which no wealth is created or destroyed. So, in a two-player zero-sum game, whatever one player wins, the other loses. Therefore, the player share no common interests. Like other games, researchers distinguish between zero-sum games with perfect information and without.
 
AFrom the candidates' perspective, a single-winner method is a form of "'''zero-sum game'''". There can be only one. It is usually an imperfect information game.
 
See also: [[Single-member district]]
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