老师，麻烦解答，谢谢

allocation contribution 计算，为什么不加上交叉项？在经典题中，无论是计算Aa还是SS，都会加交叉项 。

老师，谢谢

老师好，请问密卷第一大题第四小题，为什么增长和通胀会减少得少一些？

这题怎么看出是growth tilt

请问这题材料中第一句(1) apply the attribution method that uses only each fund’s total portfolio returns over the last 12 months to identify return-generating components of the investment process可以判断是return-based，可是第二句(2) include the impact of specific active investment decisions and the attribution effects of allocation and security selection in the report.这句显然不是return base，为什么答案还是按照return based来解释呢

老师好，可否解释一下密卷Q6C的解题思路？

老师麻烦讲一下这个option price theory的原理

Perez有这个表述Perez indicated a desire for wealth preservation while wanting to invest a significant portion of his assets in his employer’s stock，为什么他还能是最接近MVO的呢

什么叫Behavioral inefficiencies？