老师 什么时候用e那个公式来折现 什么时候用单利折现

想问一下前一段的应计利息是应该摊到持有的每一天还是比如说我半年付息就是用摊到前半年？如果计算到前半年，那我后半年的应计利息不是只需要贴现到半年的那个时间节点，不需要贴现到0时刻？

为什么降低 inflation会影响就职。降低inflation缺点是什么

33页，从to achieve this objective开始，句式复杂，术语也多，看不懂什么意思了，请老师帮忙指点一下

原版书31页 If one argues that financial markets are not perfect, then the firm may gain some advantage from hedging its balance sheet. It may have a tax advantage, benefit from economies of scale, or have access to better information about a market than investors. 这些不太懂，资产负债表对冲是怎么给公司带来利益的呢？老师可不可以简单解释一下原理或者举个例子帮助学生理解一下

原版书31页，这段没有懂，为什么说没有人会在交易中损失？为什么零和游戏成了公平游戏？所谓的完美市场到底是什么含义呢？

老师您好，原版书中16/17页，遇到一些段落不知该如何理解，烦请老师讲一下其中的一些要领 1 But in complex portfolios of interest-rate sensitive assets, many different kinds of exposure can arise from differences in the maturities and reset dates of instruments and cash flows that are assetlike (i.e„ ´longs´) and those that are liability-like (i.e., “shorts”). 2 In particular, “curve” risk can arise in portfolios in which long and short positions of different maturities are effectively hedged against a parallel shift in yields, but not against a change in the shape of the yield curve. 3 Default risk corresponds to the debtor´s incapacity or refusal to meet his/her debt obligations, whether interest or principal payments on the loan contracted, by more than a reasonable relief period from the due date, which is usually 60 days in the banking industry.

140頁 這裡的price是沒有時間價值的對嗎

此处的A项不是最符定义的么？

139頁 還是不是很明白市場利率月看漲 看跌期權的關係，老師說的那個什麼現在有貨將來要錢，現在有錢將來換貨的例子聽不懂