Japanese 集合行為問題 Cited by user 萩原麻行 on 21 Mar 2024 集合行為問題（しゅうごうこういもんだい、）または社会的ジレンマとは、全ての個人が協力することでより良い結果を得られるにもかかわらず、個人間の利害対立により共同行動が阻害され、協力に失敗してしまう状況を指す.
English Collective action problem Cited by user Sandrasegal2907 on 18 Feb 2021 A collective action problem or social dilemma is a situation in which all individuals would be better off cooperating but fail to do so because of conflicting interests…
English Tragedy of the commons Cited by user Sandrasegal2907 on 17 Feb 2021 The tragedy of the commons is a metaphoric label for a concept that is widely discussed in economics, ecology and other sciences.