ゼロサム

noun which may take the genitive case particle 'no'

zero-sum

Used in economics, game theory, and general situations where one side's gain equals another's loss. Often appears as ゼロサムゲーム (zero-sum game).

• この交こう渉しょうはゼロサムの状じょう況きょうだ。

  This negotiation is a zero-sum situation.

• ゼロサムゲームでは、誰だれかの利り益えきが誰だれかの損そん失しつになる。

  In a zero-sum game, one person's gain is another person's loss.