为什么risk manager需要注意衍生品对代理风险有杠杆作用？

老师您好，请问均匀分布中，均值为（a+b)/2，可该部分区域表述应为b-a，那均值为什么不是(b-a)/2呢

这个视频声音一直一顿一顿的，手机电脑看都一样

可以详细讲下这题吗？

老师这道题能用文字再讲下吗，没听懂。另外为什么是净损失/波动率和实际发生的波动大了影响什么，没明白

如果有Storagecost该如何计算，谢谢！

老师Tier1 limits 为什么在课程里没有讲到啊

老师，想问问到底是预测值减真实值，还是真实值减预测值，为什么图一图二的课后习题算法是用实际值减预测值？但是这题是预测值减实际值？

这道题不是需要对冲利率上升的风险吗，为啥是做short？ A German housing corporation needs to hedge against rising interest fatès. It has chosen to use futures on 10-year German government bonds. Which position in the futures should the corporation take, and why? Take a long position in the futures because rising interest rates lead to rising futures prices. Take a short position in the futures because rising interest rates lead to rising futures prices. Take a short position in the futures because rising interest rates lead to declining futures prices. Take a long position in the futures because rising interest rates lead to declining futures prices.

A German housing corporation needs to hedge against rising interest fatès. It has chosen to use futures on 10-year German government bonds. Which position in the futures should the corporation take, and why? Take a long position in the futures because rising interest rates lead to rising futures prices. Take a short position in the futures because rising interest rates lead to rising futures prices. Take a short position in the futures because rising interest rates lead to declining futures prices. Take a long position in the futures because rising interest rates lead to declining futures prices.