利用Gini准则方法提高数据包络分析(data envelopment analysis, DEA)方法的判别能力, 以降低DEA结果受指标维数影响的风险. 并通过2011年上半年南京市公交企业的相关数据说明如何利用DEA-Gini准则方法对相关企业进行客观的绩效评价. 在建立的指标体系及其数据的基础上, 通过对指标集取子集, 利用DEA方法求出在各指标子集下公交企业的效率, 再基于Gini准则给各子集赋予权重, 最终得到一组更为客观的城市公共交通系统绩效评价结果, 即综合效率(comprehensive efficiency score, CES). 在此结果上提出可行的建议, 以保证优先发展城市公共交通的顺利实施.
Abstract
It improves the discriminatory power of traditional DEA (data envelopment analysis) by Gini criteria approach to decrease the risk of influencing the results of performance evaluation, which is influenced by the number of evaluating indicator. Utilizing the data from the urban public transit enterprises of Nanjing in the first half of the year 2011 illustrates how to apply the DEA-Gini approach to evaluate the efficiency of urban public transit enterprises and give an objective performance evaluation result. After establishing a set of evaluating indicator system considering both commonweal and business for urban public transit enterprises, calculating the efficiencies of them under each possible variable subsets. Then obtaining the degrees of importance of all possible variable subsets based on Gini rule, and the comprehensive efficiency scores (CESs) can be gained at last, which can give a much more objective appraisal for urban public transit enterprises. Based on the results, doable suggestions are advanced to ensure that the giving priority to the development of public transportation can be put into practice.
关键词
城市公共交通 /
绩效评价 /
数据包络分析 /
Gini准则 /
综合效率 /
判别能力
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Key words
urban public transit /
performance evaluation /
data envelopment analysis (DEA) /
Gini rule /
comprehensive efficiency score (CES) /
discriminatory power
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中图分类号：
U121
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脚注
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基金
国家自然科学基金面上项目(70872040);美国能源基金会项目(G-1008-13195); 江苏省交通运输厅(09X04); 科技支撑计划-社会发展项目(BE2011829)
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