This paper USES the non-controllable variables DEA model to measure the performance and technical efficiency of listed companies in real estate by the sample of 2006 China's 47 real estate companies.
本文采用不可控制变量DEA模型对2006年我国47家房地产开发上市公司的经营技术效率进行测度。
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Compared to the real aircraft, the flight simulator is controllable, non-destructive, economic and other advantages in flight test.