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为帮助参与城市地下综合管廊PPP项目的私人投资者做好风险决策与管理工作,提出利用OWA和模糊灰色聚类评价模型对项目的投资风险进行评价.采用OWA算子为指标赋权并引入风险曲线调整风险灰类区间,结合模糊综合与灰色聚类评价方法给出各级指标的风险聚类系数,最后利用灰类区间阈值确定项目的综合风险.该方法既准确地给出指标的权重,又考虑到决策者的风险态度对评价结果的影响,同时综合了灰色聚类在评价"贫信息"的灰色系统的优点和模糊综合评价直观、易操作的优点.通过对白银市地下综合管廊PPP项目投资风险的评价,验证了该方法的科学性和可操作性.
Abstract：For private investors in the PPP projects of urban underground pipe to do a good job in risk decision-making and management,this paper uses the OWA and fuzzy gray clustering evaluation model to evaluate the investment risk of the project.The OWA operator is used to bestow weights.Risk curve is introduced to adjust risk gray class of interval.Fuzzy comprehensive and grey clustering evaluation methods are combined to give levels of risk index clustering coefficient.Finally,gray class of interval threshold is used to confirm the project's integrated risk.This method can ensure the weight accurate and the decision makers' risk attitude to the results effective.At the same time,it combines the advantages of gray clustering in the evaluation of"poor information"gray system and fuzzy comprehensive evaluation intuitive and easy to operate.Through the assessment of investment risk in the Baiyin City Underground Pipe Gallery PPP project,the scientificity and operability of this method is verified.
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基本信息:
中图分类号:F283;F299.24
引用信息:
[1]韩立红,李娜,张晓蓉,等.城市地下综合管廊PPP项目投资风险评价——基于OWA-模糊灰色聚类评价方法[J].青岛理工大学学报,2018,39(03):109-115.
基金信息:
山东省自然科学基金资助项目(ZR2012GL06)
2018-06-19
2018-06-19
2018-06-19