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本文先测度了2008年我国电信业重组后的赫芬达尔-霍希曼指数,认为我国电信市场格局为寡头垄断,而且市场集中度很高,然后运用数据包络分析法(DEA)分析了中国电信业的效率,并检验了资产收益率与效率之间的正相关关系。同时,将我国三个电信运营商的效率与国外电信企业进行了横向对比。通过全球对比,本文发现中国移动已经达到了最高效率,而中国电信和中国联通仍需扩大规模、提高技术效率。
This paper measures the Herfindahl-Hohmann index after the reorganization of China’s telecom industry in 2008, believing that China’s telecom market is oligopolistic and has a high degree of market concentration, and then uses data envelopment analysis (DEA) to analyze China The efficiency of the telecom industry and tested the positive correlation between return on assets and efficiency. At the same time, the efficiency of the three telecom operators in China has been compared with that of foreign telecom companies. Through the global comparison, this article finds that China Mobile has reached the maximum efficiency, while China Telecom and China Unicom still need to expand the scale and improve technical efficiency.