The following is a matrix of return correlations for markets A, B, and C.
|
A |
B |
C |
A |
1.0 |
0.5 |
0.4 |
B |
|
1.0 |
0.3 |
C |
|
|
1.0 |
Which combination of markets will produce the lowest overall level of portfolio risk, as measured by the standard deviation of portfolio returns?
A) |
Cannot be determined with information given. | |
|
|
All combinations appear likely to yield diversification benefits. However, while B and C clearly have the lowest correlation between the pairs, we cannot determine which combination will have the lowest overall standard deviation of returns without knowing the standard deviations of the individual markets. |