针对目前关于可持续性的研究大多从经济、社会、环境3方面出发的现象,且在PPP、水环境治理领域缺乏相关研究,综合考虑水环境治理PPP项目特点,应用结构方程模型(SEM),从经济、社会、资源与环境、工程、项目管理5个方面,对水环境治理PPP项目可持续性影响因素进行研究。构建了一套较为完整的可持续性评价指标体系,定义了一种新的指标权重计算方法,确定了5个维度中对项目可持续性影响最大的指标,即分别为可持续的现金流、公众满意度、河流断面水质达标率、项目设施更新能力、项目组织结构。研究成果为政府和社会资本采取措施改善或维持项目可持续性水平提供了依据。
Abstract
Current researches on sustainability mostly focus on economic, social and environmental fields, among which the public-private partnership (PPP) project in water environment governance receive inadequate attention. In the present study, structural equation modeling (SEM) is employed to study the factors affecting the sustainability of PPP project in water environment governance from aspects of economy, society, resources and environment, engineering and project management by constructing a complete set of sustainability evaluation index system. In addition, a method for calculating the weight of each indicator is defined, and the indicators that have the greatest impact on project sustainability in the aforementioned five aspects are identified as follows: sustainable cash flow, public satisfaction, standard-reaching rate of river sectional water quality, renewal capacity of project facilities, and organization structure. The research findings offer reliable reference for the public and private sector to take appropriate measures to improve the sustainability level of PPP project of water environment governance.
关键词
水环境治理 /
PPP /
可持续性 /
影响因素 /
结构方程模型
Key words
water environment governance /
PPP /
sustainability /
influencing factors /
structural equation modeling(SEM)
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基金
国家自然科学基金项目(71302191);河南省科技厅产学研合作项目(162107000050,162107000051);河南省水利科技攻关计划项目(GG201828);河南省华北水利水电大学第十届研究生创新课题(YK2018-04)
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