This paper, with the foundation of the cost-effectiveness of collaborative governance system of air pollution in Beijing-Tianjin-Hebei, argues that as a result of the imperfect laws and regulations during inter-regional collabo-rative governance, and the undeveloped systems and mechanisms about the information-sharing, benefit compensa-tion, and management, it has increased transaction costs of collaborative governance within Beijing-Tianjin-Hebei, so that the efficiency of collaborative governance is reduced. Therefore, we should accelerate the improvement of the system and mechanism innovation of Beijing-Tianjin-Hebei collaborative governance, focus on strengthening the economic incentives of the ecological compensation and emissions trading in Beijing-Tianjin-Hebei, in order to a-chieve long-term effects of collaborative governance in Beijing-Tianjin-Hebei.%论文以京津冀大气污染协同治理的成本构成为基础,分析阐述了由于跨区域协同治理的法律法规不完善,有关三地信息共享、利益补偿、监督管理等相关制度、机制不健全,加大了京津冀协同治理的交易成本,使协同治理的效率降低。为此,应加快完善京津冀协同治理的制度与机制创新,重点加强京津冀区域内生态补偿和排污权交易等经济激励机制建设,以实现京津冀协同治理的长效目标。
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