摘要
合理的特许价格是城市交通基础设施PPP项目健康可持续发展的关键,仅从私营机构角度考虑投资者利益对特许价格进行调整缺乏科学性。鉴于此,文章从利益相关者多方满意角度,选取了城市交通基础设施PPP项目特许价格调整影响因素,利用遗传算法和神经网络优势互补原理构建了特许价格调整模型,并运用该模型对某城市地铁PPP项目特许价格调整进行了实证研究,结论表明基于利益相关者多方满意的遗传优化改进型BP网络模型计算的特许价格调整结果精度较高,该方法科学合理可行。
Reasonable concession-price is critical for the healthy and sustainable development of urban trans- portation infrastructure project (UTIP) under Public-private partnership (PPP) model. Instead of considering only the private investor' s interests, all stakeholders' interests should be taken into consideration in the determination of concession price. Therefore, some influential factors for the concession-price adjustment of UTIP under PPP model are selected and a concession-price adjustment model applying GA-BP method is established, which is an improve- ment to the BP neural network method using genetic algorithms so as to make full use of their advantages of respec- tive method. The relevant empirical research is carried out for a subway project in a city and with the conclusion that this new concession-price adjustment model improves the precision of the result of calculation and therefore is more scientific, reasonable and feasible.
出处
《重庆大学学报(社会科学版)》
CSSCI
北大核心
2010年第3期51-58,共8页
Journal of Chongqing University(Social Science Edition)
基金
国家自然科学基金项目(50878049)
国家住房与城乡建设部软科学课题(07-R3-1)
关键词
利益相关者
城市交通基础设施
PPP模式
特许价格
all stakeholders' interests
urban transportation infrastructure projects
public-private partnershipmodel
concession-price