为什么long通胀风险的合成方式是long treasuries and short inflation-linked bonds？

A中文叫什么，长期短期分为啥不能理解成安流动性分，，，，虽然A是定义

老师，请问书本83页第七题题目是什么意思？能否详细讲解一下答案，不太明白是什么意思？

老师，请问书本82页第六题答案This situation, particularly a short squeeze, can lead to substantial losses and a suddenly unbalanced exposure if bor-rowing the underlying equity shares becomes too difficult or too costly for the arbitrageur这一段不理解？这种情形怎么产生loss不太明白？能否详细解释一下？ The convertible bond arbitrage strategy can lose money due to time decay of the convert-ible bond’s embedded call option during periods of reduced realized equity volatility and/or due to a general compression of market implied volatility levels这一段也不理解？time decay 和call option以及volatility之间怎么会lose money？ Convertible arbitrage strategies have performed best when convertible issuance is high (implying a wider choice among convertible securities as well as downward price pressure and cheaper prices这里的issuance is high指什么？括号里implying不理解是什么意思？能否详细解释一下？

前面讲 r 的公式，化简后分母是xy的标准差乘积，那么这里相当于用的x的方差，是否有冲突

历史问题在哪里 找不到

这道题为何选business risk不对？business risk包括sales risk

1. 老师讲的scenario A和B是表示行权之后可能会以40%和60%的概率出现两种情况？ 2. 为什么scenario B的NPV<0，计算行权后平均NPV时，其NPV就等于0？

scl是什么线，考察的是什么

老师，原书reading14第25题选项C，请问减少预期收益影响PBO吗？