NO.PZ2023021601000011
问题如下：
When constructing the optimal portfolios for investors with different risk preferences, the investor with the higher risk aversion is most likely to have a:(2016 mock)选项：
A.steeper capital allocation line. B.flatter indifference curve. C.lower expected return.解释：
The optimal portfolio is identified as the point at which the capital allocation line (CAL) is tangential to the investor's indifference curve. As investor risk aversion increases, the optimal portfolio slides down the CAL to a point of lower expected risk and lower expected return.老师，没搞懂这一题考的是啥。
结论是不是：爽度曲线，越高的，风险偏好越高； 同一条CAL线，越靠近Rf点的，风险偏好越低？
