NO.PZ2020033003000036
问题如下：
Which of the following statements about the waterfall structure is wrong?
选项：
A.The senior tranches usually have the lowest coupon rate in the structure.
B.The senior tranches usually have the smallest size to keep safe.C.
The equity tranches does not have fixed coupons.
D.The equity tranche is usually the thinnest in the structure.
解释：
B is correct.
考点： Waterfall Structure
解析：常规来说equity tranche一般是最小的那个，所以B错。
老师equity tranche最薄的意思是在设计waterfall structure的时候，由于equity风险太高，只能有少数人有资格去投资，所以最薄？
