什么叫create externalities

29题不用考虑偏度吗？组合3不是正态分布吧？那怎么能和正态分布组合1比较啊？

为什么MP和AP的交点一定是AP的顶点，能证明一下吗

这种方式与国内平价方式发行有什么不同？为什么需要溢价或折价发行，直接市价发行不行吗？

回购协议和固收产品有什么关系

为什么excess demand的情况下老师会说从短期来看企业会进行超额供给？这不是分析的是长期的情况下么？另外excess demand不是说明有超额的需求吗

税后金额1-t谁是税啊

a) A large client of yours asked you whether a stock is a ‘good one to buy’. You read about the company briefly in the Wall Street Journal because you noticed an ETF you held included it. You tell your client it is a good investment. b) You held your last job at a manager level, and you had two direct employees. You performed some of the duties of the Assistant Director because that role had not been filled while you were the manager. On your resume, you say you were the Assistant Director. c) Your clients complain to your Managing Director because they have seen you intoxicated and being loud and aggressive to other patrons in a local bar several times last month.

老师，30题理解c为啥正确。但不懂为啥不能选b。用软美元报名cfa不是违规的吗？还有就是c里面brokerage commission是软美元的意思吗

老师，28题题目没有理解答案也没有理解