请问封闭式基金以折扣价交易与弱有效市场有何联系?

这个不太懂，谢谢老师

老师，想问一下，【1】计算器怎么开4次方？【2】计算器上第四排的1/X和第五排第四个yˣ是怎么用的，以及做题时的输入顺序？谢谢

第2题为什么不是选C呢？

13题想问下老师求这个利率为什么是用total deferred的数量去处以EBI呢？不应该是用income taxes/EBI吗？ 14题想问下老师为什么foreign的就是28140+124而US的却是30632-4752却是减法呢？

想问下老师20题不是用112000/34%求出pre-tax income 然后再减去227000income tax expense但是这样求出来没有答案呀

老师，还是不太明白，只有IS曲线的参数里面有Money supply这个东西，ms变小，IS曲线向左shift。为什么能得出AD向左shift，谢谢！

A private equity fund is estimating the value of a privately held company that is financed with both debt and equity, is generating positive revenues, and has negative EBITDA. The private equity fund is most likely able to estimate the company's equity value using: A. net income multiples B. market value of its assets C. expected free cash flow to equity and cost of equity. 请老师帮忙解析，感谢～

The potential benefits of allocating a portion of a portfolio to alternative investments include: A. ease of manager selection. B. improvement in portfolio risk-return. C. accessible and reliable measures of risk and return. 请老师帮忙解析，感谢～

An investor is most likely to consider adding alternative investments to a traditional investment portfolio because: A. of their historically higher returns. B. of their historically lower standard deviation of returns. C. their inclusion is expected to reduce the portfolio's Sharp ratio. 请老师帮忙解析本题，感谢～