Given the returns and probabilities for the three possible states listed here, calculate the covariance between the returns of Stock A and Stock B. For convenience, assume that the expected returns of Stock A and Stock B are 0.13 and 0.18, respectively.
|
|
Probability
|
Return(A)
|
Return(B)
|
|
Good
|
0.35
|
0.30
|
0.50
|
|
OK
|
0.50
|
0.10
|
0.10
|
|
Poor
|
0.15
|
-0.25
|
-0.30
|