statement 2哪里不对

stament2哪里不对

L3V3, example 30. If the credit spread falls by one-third, should the E(OAS) be one-third of the original OAS? Take A as an example, should the E(Excess spread) be 1.4% - 5.5 * (1.4%*1/3) - 0.1% *2/3 ?

请问下居住VS非居住有重复情况，怎么辨别记忆

FCFF的公式我知道，但是针对这个公式本身我有个疑问： 为什么不考虑利息的税盾？虽然假设公司是股权和债权一起考虑，即假设无杠杆，EBIT=EBT，但实际上是付利息的呀，税盾的好处也是实际上的。

请问为什么open-ended liquidity 要小于close ended liquidity？

官网题： Bragg notes that the fixed-income portfolio manager has strong views about the effects of macroeconomic factors on credit markets and follows a top-down investment process。 问 The most appropriate risk attribution approach for the fixed-income manager is to： 不懂答案为什么是attribute tracking risk to relative allocation and selection decisions

这道题答案是b，为什么AC不对？

为什么当预测spread会wide时，Reducing a portfolio’s duration to an underweight vs. the benchmark不能增加excess return

How should I know the investment-grade CDS has a fixed coupon of 1%?