如果D对，那么ABCD都对；

NO.PZ2020033003000039 increase in correlation woulincrease the value of equity tranches. high fault rates, increasing fault correlation creases the value of mezzanine tranche. All of the above are correct. C is correct. 考点 StructureCret Risk 解析相关性上升是要么一起违约要么一起不违约，所以increase equity，crease senior。 违约率高时，mezzanine更像equity，此时相关性上升的话会increase mezzanine tranche。 这题出的有点问题吧 该选吧？

NO.PZ2020033003000039 increase in correlation woulincrease the value of equity tranches. high fault rates, increasing fault correlation creases the value of mezzanine tranche. All of the above are correct. C is correct. 考点 StructureCret Risk 解析相关性上升是要么一起违约要么一起不违约，所以increase equity，crease senior。 违约率高时，mezzanine更像equity，此时相关性上升的话会increase mezzanine tranche。 A和B都是对的吧？老师。