既然做空 做多是正常的交易 为啥2018年底人民币贬值时 潘功胜很生气地说是因为有人做空人民币。这不是正常的金融行为吗

case4中，这个人进行了什么操作？

which of the following statements best describes that how a derivative derives its performance: A replicating the performance of the underlying. B transforming the performance of the underlying. C passing through the returns of the underlying. 这个题也有点不懂

Consider a U.S. investor who has a portfolio of Australian government bonds that are denominated in Australian dollars. Why would the investor wish to enter into a swap contract? As the Australian: A dollar increases in value, the interest payments from the Australian bonds translate into fewer U.S. dollars. B interest rate decreases, the value of the Australian bonds decreases. C dollar decreases in value, the interest payments from the Australian bonds translate into fewer U.S. Dollars. 老师，讲讲这道题，逻辑上有点搞不通

请问2.5*（1+g）这个，计算器怎么操作才能算出来啊？

固定收益 第90题，为什么不选择B is callable? callable 也是久期影响因素之一 ，是第四个影响因素call provision

老师，请问课件中说经济过热的时候要decrease required reserve ，为什么不是increase呢？如果降低存款准备金率，那么不是等于更加刺激了需求，使GDP不能回归到protential的状态么？

怎么看不了解析视频呢？？？

是因为第一年-10%的亏损是浮亏，没有实际现金流流出，所以CF1只有-4500吗？是不是题目给到第二年，就默认第二年所有投资到期，同时计算本金和利息？

第一个选项：预先设定好了一定的次序，为什么错？课件里不就是那四个步骤吗?