| Q11. Based on the following information, which asset class is the most significant in an efficient portfolio with an expected return of 12.50%?The following are the long-term capital market expectations:
 
|   | Asset Class  | ExpectedReturn
 | Exp. Std. Dev. | Correlations |  
| 1  | 2  | 3  | 4  | 5 |  
| 1  | US Equity | 12.00% | 16.00% | 1.00  |   |   |   |   |  
| 2  | US Bonds | 8.25% | 6.50% | 0.32  | 1.00  |   |   |   |  
| 3  | Intl Equities | 14.00% | 18.00% | 0.46  | 0.22 | 1.00  |   |   |  
| 4  | Intl Bonds | 9.25% | 12.25% | 0.23  | 0.56  | 0.32  | 1.00  |   |  
| 5  | Alt Inv | 11.50% | 21.00% | 0.25  | 0.11  | 0.08  | 0.06  | 1.00 |  The details of each corner portfolio are given below. The risk free rate is assumed to be equal to the T-bill rate of 3.00%. Using margin is not allowed.  
| CornerPortfolio
 | ExpectedReturn
 | Exp. Std.Dev.
 | SharpeRatio
 | Asset Class Weights |  
| 1  | 2  | 3  | 4  | 5 |  
| 1  | 14.00%  | 18.00%  | 0.639  | 0.00%  | 0.00%  | 100.00%  | 0.00%  | 0.00% |  
| 2  | 13.66%  | 16.03%  | 0.696  | 0.00%  | 0.00%  | 86.36% | 0.00%  | 14.00% |  
| 3  | 13.02%  | 13.58%  | 0.775  | 21.69%  | 0.00%  | 56.56%  | 0.00%  | 21.76% |  
| 4  | 12.79%  | 13.00%  | 0.792  | 21.48%  | 0.00%  | 52.01%  | 5.24%  | 21.27% |  
| 5  | 10.54%  | 8.14%  | 0.988  | 9.40%  | 51.30%  | 26.55%  | 0.00%  | 12.76% |  
| 6  | 8.70%  | 6.32%  | 0.981  | 0.00%  | 89.65%  | 4.67%  | 0.00%  | 5.68% |  A)   Alternative investments with a weight of 20.17%.  B)   International equity with a weight of 48.70%.  C)   International equity with a weight of 45.51%.   [此贴子已经被作者于2009-3-5 15:53:04编辑过] |