noun
zero-sum society
A society where one person's gain is another's loss; often used in economics, game theory, and social commentary.
ゼロサム社会では、誰かが得をすれば誰かが損をする。
In a zero-sum society, when someone gains, someone else loses.
ゼロサムゲーム refers to a specific situation or game with fixed total gains and losses, while ゼロサム社会 describes a broader societal structure where such dynamics are pervasive.
Loanword compound from English 'zero-sum' and Japanese 社会 (society).