想问一下题目里这句hold foreign exchange reserves banking 100% of its domestic currency insurance怎么翻译理解呢？

In this case, the mean difference is 1.4. The sample variance is 36.8. The standard error of the mean difference is 2.712932. The t-statistic is 0.51605. 老师，The standard error of the mean difference is 2.712932，怎么计算出来的，能具体写下步骤么？ The standard error of the mean difference is 2.712932，辛苦写下计算步骤。

01.单选题 收藏 标记 纠错 Freytag Company currently has assets on its balance sheet that are financed with 60% equity and 40% debt. The company can issue debt at the yield of 8% when the value of the debt doesn't exceed 1 million. If larger amounts of debt are issued by the company, the yield of the debt will be 9%. Calculate the break points for the company. A 1 million. B 1.67 million. C 2.5 million. 这题和Breakeven analsis 的公式不匹配么 ，没搞懂这个题目解题的逻辑是什么 从答案来看 债务的价值除以比重，得到到的总资产啊。怎么总资产会成为break point 了呢 课上的逻辑 breakpoint 指的是产品的数量啊

请问老师组合管理的课后题第6题，为什么选a,不是b?

老师，请问，fixed income 解释是固定收益，还是什么

您好！这道题为什么是t-bill呢？因为可以接受一定程度的risk是吗？private equity是指长期投资吗？谢谢！

您好！这道题解释里面的这个gain不是个distribution是什么意思呢？谢谢！

为什么substitution bias是偏大呢？

您好！想问一下为什么这个market portfolio只有risky asset呢？这个CML不是risk free asset来的吗？market portfolio不应该是risk free asset和risky asset的交点吗？谢谢！

本体没有说买厂房，只说了买设备，为了使机器更好使用的厂房升级费用也要CAPITALIZE吗？还是只是加在机器上的升级才CAPITALIZE?