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匿名    2021-07-23 00:56:26    

为什么t值低，r方高就是多重共线性

186****9582    2021-07-22 23:03:15    

老师，这里题目不是给出了上涨和下降的概率分别是80%和20%，为什么另外算的P和80%不想等？

139****6696    2021-07-21 16:10:10    

in Figure 1 on page 13老师可以提供一下这个么？

139****6696    2021-07-21 16:05:58    

Liability insurance is subject to long-tail risk, which is the risk of legitimate claims being submitted years after the insurance coverage has ended. An example could include exposure to cancer-causing substances during the period of coverage but with

139****6696    2021-07-21 16:05:45    

长尾风险还包含其他么？为什么life insurance不涉及长尾风险

匿名    2021-07-21 14:06:14    

110题自由度为什么减2

158****6507    2021-07-20 22:07:07    

书上和NOTE上都没有这个公式啊 为啥X与Y的标准差最后分子分母化简掉？

13790722023@163.com    2021-07-19 20:40:31    

benchmark 标准差就是sigama m吗

139****6696    2021-07-19 15:48:40    

一般A,Risk avoidance包含哪些？ Diversification is a risk reduction technique.

139****6696    2021-07-19 15:21:40    

Which of the following is(are) unexpected loss? I.Loan defaults are increasing simultaneously while recovery rates are decreasing. II.Lending losses are covered by charging a spread between the cost of funds and the lending rate. A I only B II only CBoth