中国电信业省际运营效率评价与影响因素研究——基于四阶段DEA方法的实证分析The Evaluation of the Operational Efficiency and Research on Influencing Factors of China's Telecom Industry——An Empirical Analysis Based on Four-stage DEA
韩磊,苑春荟
摘要(Abstract):
本文运用四阶段DEA方法,选取中国电信业2003~2008年的省际面板数据,对我国31个省市自治区的电信业运营效率进行了测度与评价。针对传统DEA模型的固有缺陷,本文利用四阶段DEA方法对外生环境因素给效率评估带来的干扰进行了有效控制,然后对省际电信行业运营效率重新进行了估算,并分析了电信业运营效率的影响因素和区域特征。研究发现:使用四阶段DEA方法进行效率估算可以更加接近真实值;我国电信业运营效率基本呈现逐年升高趋势;在剔除环境影响后,我国电信业实际运营效率区域差异明显缩小;2008年我国电信业的市场结构重组对当年的电信业运营效率造成了较大的负面影响。
关键词(KeyWords): 电信业;运营效率;四阶段DEA;Tobit回归
基金项目(Foundation): 国家自然科学基金项目“管制治理、管制激励与管制绩效作用机理及关联结构模型实证研究”资助(项目编号:70740009)
作者(Author): 韩磊,苑春荟
DOI: 10.13269/j.cnki.ier.2012.03.004
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