Jensen (1968)Links to an external site. proposed a very influential idea: when assessing mutual fund performance, we should compare funds only after accounting for the risks they take (rather than simply comparing returns). To see his argument, draw a SML, and put one dot above the SML (call it A) and one dot below it (call it B) while A and B have the same beta.
(a) Describe the investment opportunities here.
Group of answer choices
A. Buy A and sell B in a way that the portfolio has zero market beta
B. Just buy A to reach the highest possible return
C. Buy B and sell A in a way that the portfolio has zero market beta
(b) Suppose you take one of these investment opportunities. What market movements are you exposed to? Hint: Can you think about protecting yourself against market conditions?
A. The positive movements
B. No exposure
C. The negative movements