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Research on productive efficiency measurement and influence factors based on DEA window analysis and Tobit model: an illustrative example of Chinese toll highway enterprises

机译：基于DEA窗口分析和Tobit模型的生产效率测度及其影响因素研究-以中国收费公路企业为例。

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摘要

According to the varied and highly complex characteristics of Chinese toll highway enterprises' productive efficiency, we propose a hierarchical efficiency and factor analysis method which integrates environmental factors and DEA window analysis and Tobit model. Through two output variables, three input variables, 11 environment variables, and panel data analysis during 2007 to 2014, we found that: (a) the overall productive efficiency of Chinese toll highway enterprises is at a high level and its growth keeps fluctuating; (b) the factors of establishment life of toll highway enterprises, the management efficiency and growth in total retail sales of social consumer goods have a positive effect on productive efficiency of Chinese toll highway enterprises; (c) the factors of rates of employees' wages, China economic growth and possession of highway business transportation vehicles showed a negative correlation on productive efficiency of Chinese toll highway enterprises.
机译：根据中国收费公路企业生产效率的变化和高度复杂的特点，提出了一种将环境因素与DEA窗口分析和Tobit模型相结合的层次效率和因素分析方法。通过2007年至2014年的两个输出变量，三个输入变量，11个环境变量以及面板数据分析，我们发现：（a）中国收费公路企业的整体生产效率处于较高水平，其增长一直在波动； （b）收费公路企业的成立年限，管理效率和社会消费品零售总额的增长对中国收费公路企业的生产效率产生积极影响； （c）员工工资率，中国经济增长和拥有公路商务运输工具的因素与中国收费公路企业的生产效率呈负相关。

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