公式推的时候，见图二，左侧的久期d和价格f到底是ctd bond的，还是underlying的国库券的？

第二人不应该表达为完成CFA lever I and II examination吗？不应该是错的吗？

case7 能不能多给几个例子

麻烦问下老师，GDP/capita，这里的capita不是k吗？为啥GDP/capita是y?

增大货币供给,导致物价上涨,这个供给是不是指的名义供给MSN?而不是MSR?

PPT的21页中，先付年金的PV不是200吗？为什么是0呢？应该怎么看PV的值呢？

老师，我觉得leverage，杠杆，还是不太理解其含义。到底什么是杠杆？【我以前一直以为是负债】 该视频里，老师说，leverage就是fixed cost？

怎么看出来这道题里面是公募基金的呀？

C is incorrect. A company does not necessarily raise more funds according to its target capital structure because of the economies of scale in raising new capital and market conditions. These short-run deviations are due to the "lumpiness" of security issuance. The marginal cost of capital may increase, reflecting these deviations. 这个解析啥意思？ The cost of additional funds from various sources rises as higher levels of financing are achieved. 这句话后半句看不懂， 来源不同地筹资成本增加，是随着更高地融资？

C is incorrect. A company does not necessarily raise more funds according to its target capital structure because of the economies of scale in raising new capital and market conditions. These short-run deviations are due to the "lumpiness" of security issuance. The marginal cost of capital may increase, reflecting these deviations. 这个解析啥意思