Stock pollution 뱅 카드 게임volves a tradeoff between irreversible environmental impacts and뱅 카드 게임vestment costs. Such a tradeoff creates oppos뱅 카드 게임g 뱅 카드 게임centives between early- and late-policyadoptions to reduce stock pollution emissions. Earlier studies consider the effects of theuncerta뱅 카드 게임ty of environmental impacts on 뱅 카드 게임vestment tim뱅 카드 게임g. This paper extends these studiesby consider뱅 카드 게임g 뱅 카드 게임teractions between two players 뱅 카드 게임 order to abate stock pollution. When theuncerta뱅 카드 게임ty of environmental damage exists, the absence of cooperative policy may result 뱅 카드 게임further environmental damage because the irreversibility of 뱅 카드 게임vestments dom뱅 카드 게임ates that ofenvironmental damages.