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机构地区:[1]南京航空航天大学经济与管理学院,江苏南京210016
出 处:《南京航空航天大学学报(社会科学版)》2007年第3期15-18,22,共5页Journal of Nanjing University of Aeronautics & Astronautics(Social Sciences)
基 金:江苏省高速公路管理局项目(R0506-091)
摘 要:"有无对比法"是后评价中的常用方法,但是传统的"有无对比法"在实际使用中存在偏差和不足,需要加以改进。在传统方法的基础上引入运输弹性系数概念,并结合实际加以调整。以连徐高速公路为例,采用传统方法和改进方法分别计算了项目对于周边地区经济增长的贡献。从实际效果来看,改进的"有无对比法"所计算出的数据更为贴近现实,在一定程度上修正了传统方法的偏差和不足。More and more importance is attached to the post evaluation of the construction projects. Traditional "with and without antitheses" is a commonly used method in post evaluation, which is biased and insufficient in practical use and needs to be improved. With Lian-Xu Highway project as an example, traditional and improved "with and without antitheses" are used respectively to evaluate the impact of this project on the economic growth of circumjacent area. It is concluded through contrastive analysis that the improved "with and without antitheses" is a new idea of using this antithesis, which better modifies the bias and insufficiency of the traditional method and provides reference for the post evaluation of the following projects.
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