百题讲义打开需要密码，密码是多少？

请问Y/L是不是也叫labor-productivity？那是不是labor-productivity就是per-capita-potential-GDP?

老师，百题第４７题Ｃ选项老师的讲解不是很明白，不考虑税收策略，不就是Ｃ表达的意思吗

In efficient financial markets, risk-free arbitrage opportunities: A. will not exist. B. may persist in the long run. C. may exist temporarily.这题为啥不选a？

When valuing a call option using the binomial model, an increase in the probability that the underlying will go up most likely implies that the current price of the call option: increases. remains unchanged. decreases.为什么这道题答案说option price和probability of underlying 没有关系呢？我们用二叉树对期权定价不就是要用股票价格来做出来二叉树吗？

老师请问点估计区间估计的视频里大概在7分钟左右，写的样本均值的方差为什么没有除以n呢？

Which of the following statements best describes a feature of an American option? Early exercise of an American: put option is optimal only if the underlying is dividend paying. call option is never optimal if the underlying is dividend paying. put option that is deep in the money may be optimal. 这道题为什么不能选a呢？老师不是讲说会分红的American put会提前行权吗

第9题里，FV为什么默认是0啊？

什么时候用HPY这个式子什么时候用r/m这个式子呢？

老师，百题３５题，这里给的ｍａｒｋｅｔｏｒｉｃｅｐｅｒｓｈａｒｅ，和公式中的ｐｏ为什么是一个数呢？ＤＣＦ的Ｐ０应该是，股票的内在价值而非市场价值才对？还有ｄｉｖｉｄｅｄｙｉｅｌｄ不是ｄｉｖｉｄｅｎｄ除以ＥＰＳ吗？这里P０怎么又当作EPS在用了呢？