关键词: 环境规制, 多层委托—代理, 合谋, 规制俘虏

Abstract: The game relations are the important factors which affect pollution abatement among the enterprise, government and environmental regulatioin agency in pollution abatement. By game theory,this paper analyzes the possibility of collusion between the enterprise and environmental regulatioin agency ,and the necessity of government supervision under the circumstance of asymmetric information.The paper also establishes multiple principal-agent model which includes the stage of contract design and supervision and the stage of collusion.Based on it, we get the key variables which affect the stakeholders' behaviros.Finally, the paper provides corresponding policies.

Key words: environmental regulation, multiple principal-agent, collusion, regulatory capture