求翻译：通过对投资效率指数与股息收益率之间的相关性的研究我们发现，对于投资效率大于1，即投资有效的公司，该指数与公司的股息收益率呈正相关关系，而对于投资非有效的公司，则没有得到特别显著的关系，但对于整体样本来看，投资效率也是与股东的股息收益成正相关关系的。由此我们可以得出结论，国有企业发放现金红利对促进投资收益是有积极影响的。是什么意思？

Correlation between investment efficiency index and the dividend yield greater than 1, that is to invest in effective corporate investment efficiency, the index with the company's dividend yield is a positive correlation, while investment in non- The company has not been particularly significant rel

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Through to invests between the efficiency index and the dividend returns ratio relevant studies us to discover that, is bigger than 1 regarding the investment efficiency, namely investment effective company, this index and company's dividend returns ratio present correlational dependence, but regard

By on investment efficiency index and dividend income rate Zhijian of correlation of research we found, for investment efficiency is greater than 1, is investment effective of company, the index and company of dividend income rate is are related relationship, and for investment non-effective of comp

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