【简答题】请在下列选项中选出适合的单词或短语填空,将单词或短语前的序号填入空中(注意,不要填单词,只需要填1,2,3,4即可。) The principal is ______ disappointed with ______ of the children. From what she has gathered, some of the teaching staff ______ their pupil...
【单选题】Consider the single-index model. The alpha of a stock is 0%. The return on the market index is 10%. The risk-free rate of return is 5%. The stock earns a return that exceeds the risk-free rate by 5%, ...