lending portfolio和borrowing portfolio 区别是什么？
问题如下图：
选项：
A. 
B. 
C. 
解释：
NO.PZ2015121801000083问题如下A portfolio on the capitmarket line with returns greater ththe returns on the market portfolio represents a(n):A.lenng portfolio.B.borrowing portfolio.C.unachievable portfolio.is correct.one moves further to the right of point M on the capitmarket line, increasing amount of borrowemoney is being investein the market portfolio. This means ththere is negative investment in the risk-free asset, whiis referreto a leverageposition in the risky portfolio.R = w(RF)*RF+w(RM)*RM，当组合资产的R在RF至RM之间时，weight 应该是一正一负啊，怎么会是都为正呢？请老师讲一下，不太懂
NO.PZ2015121801000083 问题如下 A portfolio on the capitmarket line with returns greater ththe returns on the market portfolio represents a(n): A.lenng portfolio. B.borrowing portfolio. C.unachievable portfolio. is correct.one moves further to the right of point M on the capitmarket line, increasing amount of borrowemoney is being investein the market portfolio. This means ththere is negative investment in the risk-free asset, whiis referreto a leverageposition in the risky portfolio. rt
