Question
Suppose that you are considering investing in two stocks A and B. After analyzing the two stocks you think that there are three possible states
Suppose that you are considering investing in two stocks A and B. After analyzing the two stocks you think that there are three possible states for the economy over the next year. The economic states and the probabilities, as well as the rates of return on the two securities in each state are as follows:
Probability | Return of Stock A | Return of Stock B |
30% | 20% | 2% |
40% | 10% | 4% |
30% | -5% | 6% |
(e) Find the weight vector Wm = (, (1- )) of the minimum-variance portfolio.
= ____________ (4 decimal place)
(f) Can you build a risk-free portfolio with Stock A and Stock B? (No need to key-in here)
If yes, what is the expected rate of return of the risk-free portfolio? _________ (key-in '-1' if not applicable.)
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