NO.PZ2022071202000033
问题如下：
Question Assuming no short selling, a diversification benefit is most likely to occur when the correlations among the securities contained in the portfolio are:选项：
A.greater than +1. B.equal to +1. C.less than +1.解释：
SolutionC is correct. As long as security returns are not perfectly positively correlated, diversification benefits are possible.
A is incorrect; correlation cannot be greater than positive one.
B is incorrect; if correlations equal 1, no diversification benefit occurs.
能理解分散化能降低组合内资产相关性
