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本文采用单变量模型评价方法和截面分析法,以我国50家电力行业上市公司2002-2006年的数据为样本,对其效率和资本结构的关系进行了实证研究,得出了两者的关系是个凹函数,电力行业上市公司可以存在一个最优的资本结构区间的结论,并求出了这个资本区间,对其最优资本结构的选择具有一定程度的指导意义。
In this paper, using univariate model evaluation method and cross-sectional analysis method, taking the data of 50 listed companies in China’s power industry from 2002 to 2006 as samples, this paper conducts an empirical study on the relationship between efficiency and capital structure, and concludes that the relationship between the two is Concave function, listed companies in the electric power industry can exist an optimal conclusion of the capital structure interval, and find out the capital interval, which has a certain degree of guiding significance for the choice of its optimal capital structure.