好b这个违约概率计算感觉不对呢，不应该是（1-1时间点违约概率）乘以违约概率，是2时间点违约概率么

好b这个违约概率计算感觉不对呢，不应该是（1-1时间点违约概率）乘以违约概率，是2时间点违约概率么

这道题为啥不能吧4年的即期利率算出来然后用计算器算pv？

会计原则变了，为什么不要追溯调整？B错在哪里？

固收中，房贷满足agency MBS要求，叫conforming mortgage，没满足是叫nonconforming mortgage pass through securities（mps），因为pass through rate低于mortgage rate，说明mps没有房利美他们好是吗？其次，在cmo中，有agency rmbs（cmo created from pools of pass through securities）比non agency rmbs（unsecuritized loan）好，那意思是这三者比较，pass through这个是在中间位置吗？

The market demand function for four-year private universities is given by the equation Where is the number of applicants to private universities per year in thousands, Ppr is the average price of private universities (in thousands of USD), I is the household monthly income (in thousands of USD), and Ppu is the average price of public (government-supported) universities (in thousands of USD). Assume that Ppr is equal to 38, I is equal to 100, and Ppu is equal to 18. The cross-price elasticity of demand for private universities with respect to the price of public universities is closest to: 老师您好，这里我看到“The cross-price elasticity of demand for private universities with respect to the price of public universities is closest to”， 这句话怎么理解，课件上讲的听不清楚，再就是斜率为啥不是-3.1？

第三个 accrued revenue，我把电脑卖给李四，没有收到账款，为什么我asset是增加，我电脑少了一台，没收到钱，资产为什么增加。麻烦老师这里解答一下

第5题中的几种data transformation 分别是怎么理解的，怎样的算extraction 怎么样的算conversion怎样的算aggregation，答案为什么选A？

老师 这道题 我的理解如下 1 题目说：Issue price =92.28 这个是发行价吧，所以我把这个当作了 期初的carrying value 2， interest expense = Cv * I/Y = 92.28*5%=4.614 问1：我这样的逻辑 错在哪里？ 问2：解答上面 是： 0.9228 *50M 再去乘以 I/Y ，前面这部分是什么意思

零息债券的价差不就是利息了，所以也是有在投资风险的呀