老师 22题 ROE＝NI÷Equity C选项 公司发债会导致NI减少 A选项 share增加会导致ROE不变吗

老师 第8题的B和C怎么理解？

老师，我不明白这张ppt，本国利率低，那就说明本国投资成本低，为什么还要撤资？

为什么capitalize的asset更高， 例子中买了一个280$的计算器，asset增加了；那如果是用cash买的，不是asset就不变了？

Which of the following shows the perspective productivity offers on the business cycle? A It shows the need for new employees. B It measures the intensity of work flow for existing employees. C It assesses the skill set of existing employees. 这题我觉得还是a对

这两题没看懂

stagflation发的原因

stagflation

08.单选题 收藏 标记 纠错 An analyst conducts a significance test to determine if the relation between two variables is real or the result of chance. His null hypothesis is that the population correlation coefficient is equal to zero and his alternative hypothesis is that the population correlation coefficient is different from zero. He gathers the following information: The analyst most likely conducted a: A One-tailed test and can reject his null hypothesis. B Two-tailed test and can reject his null hypothesis. C Two-tailed test and cannot reject his null hypothesis. 老师您好，请问这个问题 怎么知道是不是拒绝原假设。

257为什么选择b，可以解释下吗