Firstly, the sectional data from 27 companies in communications and transportation industry, which are listed before 1999, are linearly regressed. We find their capital structure and firm performance are irrelated significantly. Then the section data are quadricly regressed, but the result is also disillusionary, which indicates that the capital structure of listed companies has not the best range only with the sectional data from 1999 to 2003. Finally, in allusion to the problems in the securities market and illogicality of the capital structure, we put forward some methods to optimize the capital structure for listed companies from four facts.

文章首先對交通運輸倉儲行業(yè)1999年以前上市的27家公司的截面數(shù)據(jù)進(jìn)行線性回歸，發(fā)現(xiàn)在分析時段1999年至2003年国产特黄AAA级在线播放，樣本公司的凈資產(chǎn)收益率和單位經(jīng)濟增加值與資產(chǎn)負(fù)債率之間線性不相關(guān)日韩精品肛交在线直播视频下载；然后文章又對該行業(yè)上市公司的截面數(shù)據(jù)進(jìn)行二次函數(shù)回歸，同樣也沒有得到令人滿意的結(jié)果精品精品国产自在久久高清，這說明僅就1999年至2003年五年的截面數(shù)據(jù)而言视频一区二区国产精品，上市公司資本結(jié)構(gòu)不存在最優(yōu)區(qū)間；最后国产乱子伦免费视，文章對我國證券市場存在的問題以及該行業(yè)上市公司資本結(jié)構(gòu)的不合理性提出了改進(jìn)的設(shè)想亚洲v欧美v另类v综合v日韩v，并從四個方面提出了優(yōu)化我國上市公司資本結(jié)構(gòu)的建議。

disillusionize：使幻滅

disillusionary 令人失望的 | disillusionize 使幻滅 | disillusionment 幻滅