问题如下图：
选项：
A. 
B. 
C. 
解释：
老师好，请问题目inside是指什么意思，在EF线上还是线内?
NO.PZ2015121802000055 问题如下 If a portfolio plots insi the effective frontier, whiof the following is correct? A.The portfolio is efficient portfolio. B.The portfolio is inefficient portfolio. C.The portfolio is a globminimum-varianportfolio. B is correct.Portfolios thplots insi the minimum-varianfrontier are inefficient portfolios because there will another portfolio with a higher expectereturn for the same level of risk, or a lower level of risk for the same expectereturn. plot insi的意思是落在EF里面了没在EF线吗？另外effective frontier和efficienfrontier是一回事吗
NO.PZ2015121802000055问题如下If a portfolio plots insi the effective frontier, whiof the following is correct?A.The portfolio is efficient portfolio.B.The portfolio is inefficient portfolio.C.The portfolio is a globminimum-varianportfolio.B is correct.Portfolios thplots insi the minimum-varianfrontier are inefficient portfolios because there will another portfolio with a higher expectereturn for the same level of risk, or a lower level of risk for the same expectereturn. 那如果是outsi呢？也是inefficient 吗？
NO.PZ2015121802000055问题如下 If a portfolio plots insi the effective frontier, whiof the following is correct?A.The portfolio is efficient portfolio.B.The portfolio is inefficient portfolio.C.The portfolio is a globminimum-varianportfolio.B is correct.Portfolios thplots insi the minimum-varianfrontier are inefficient portfolios because there will another portfolio with a higher expectereturn for the same level of risk, or a lower level of risk for the same expectereturn. 主要是plot在句中是什么意思？
