Unified efficiency evaluation of regional industries in China: a nonradial directional distance function approach

被引：2
作者：
Liang, Jun [1 ]
Long, Shaobo [2 ,3 ]
机构：
[1] Renmin Univ China, Sch Econ, Beijing, Peoples R China
[2] Chongqing Univ, Sch Publ Affairs, Chongqing, Peoples R China
[3] Chongqing Univ, Res Ctr Publ Econ & Publ Policy, Chongqing, Peoples R China
来源：
APPLIED ECONOMICS LETTERS | 2017年 / 24卷 / 16期
关键词：
Data envelopment analysis; directional distance function; unified efficiency; natural disposability; managerial disposability; PRODUCTIVITY;
D O I：
10.1080/13504851.2016.1262506
中图分类号：
F [经济];
学科分类号：
02 ;
摘要：
This article extends a nonradial directional distance function (DDF) to allow decision-making units to adjust inputs in two directions. Based on this nonradial DDF, we evaluate the regional industrial unified efficiency (operational efficiency and environmental efficiency) in China between 2005 and 2014. We find that East China has the highest industrial unified efficiency score, followed by the West and Central China. To avoid methodological biases, three other models are also applied to assess the unified efficiency. The results indicate that a nonradial DDF under natural and managerial disposability (our model) has a greater discriminating power than a nonradial DDF under either of the disposabilities and the radial DDF.
引用
收藏
页码：1154 / 1160
页数：7
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