This paper builds a gradient model to assess PPP project's performance using the success analysis approach.An ecological textile PPP project in Zhejiang is used as a case to illustrate the model.Results show that this model can effectively solve the difficulty of quantifying the fuzzy evaluation index,and manifests great practicability in the complex dynamic evaluation of PPP projects.The paper finally proposes that setting up an independent third party as evaluation institution,providing allround supervision over the whole process of PPP project and establishing unified industry index system for PPP project are essential to improve the performance management of PPP projects.%以公私合作项目绩效评估为研究对象,采用“成功度”评价的方法,建立了PPP项目绩效评价梯度模型.以浙江某园区PPP项目的案例说明了该模型的应用.结果显示:PPP项目绩效评价梯度模型有效避开了评价指标模糊、难以量化的难题,在对PPP项目进行评价方面表现出极强的实用性.为进一步提高PPP项目的绩效管理水平,应设置独立于项目的第三方作为评价机构,加强对PPP项目事前、事中、事后各个环节的全方位监管;加强评价指标体系的建立,从行业角度构建行业统一的指标体系,为PPP项目绩效评价提供行业标准.
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