请问老师，官网的practice题是完全包含了原版书课后题是吗?

老师，TWR计算公式什么时候（1+r）相乘要开根号再－1，是根据期间长短么，如果总的时间大于1年，要开根号？小于一年这种一个月以内的收益率，就不需要开根号么?

关于ipo分配，讲的是对待所有客户要一视同仁，但是道德课后题reading33q46,对待妻子孩子的账户也要避开，请问怎么理解这其中的区别呢？

我在CFA网站上看到这么一句话：“One bias results from the use of appraisal data in the absence of market transaction data. Appraisal values tend to be less volatile than market determined values for identical assets. As a result, measured volatilities are biased downward and correlations with other assets tend to be exaggerated.”为什么关于correlation的部分是错误的呢？

老师，Mock2下午第19题，C选项是不是也应该选？因为图2标蓝的话显示这个员工作为compliance officer，also retains his duties to underwrite potential funds and coinvests.

老师，R35原版书这个例子，假如图中标蓝的话把contribution of 10,000 received改成distributiob of 10,000 paid的话，是不是在第一个计算式的分子就应该变为(109,000+10,000)-10,000 ？

为什么做空就是用futures ，做多就是用swap？

老师，图中原版书这句话怎么理解？The IPS should be reviewed annually; however, revisions should be infrequent, such as when material changes occur in investor circumstances and/or the market environment, as the IPS serves as the foundation for the investment program. 为什么revisions should be infrequent？

请问图中原版书这句话怎么理解？From a strategic asset allocation perspective, REITs and direct real estate are more comparable than conventional metrics suggest.

请老师分别讲下s，m，a三个分别是哪个减哪个