| a | b | N | Bias (a) | Bias (b) | MSE (a) | MSE (b) |
| 0.8 | 0.5 | 25 50 100 200 500 | 0.0498 0.0202 0.0117 0.0054 0.0027 | −0.0111 −0.0041 −0.0024 −0.0004 −0.0001 | 0.0187 0.0077 0.0034 0.0015 0.0006 | 0.0133 0.0060 0.0030 0.0013 0.0006 |
| 2 | 25 50 100 200 500 | 0.0443 0.0232 0.0166 0.0058 0.0016 | 0.1330 0.0601 0.0314 0.0206 0.0055 | 0.0206 0.0090 0.0048 0.0020 0.0008 | 0.2215 0.0876 0.0390 0.0171 0.0064 | |
| 1.5 | 0.5 | 25 50 100 200 500 | 0.0877 0.0339 0.0196 0.0115 0.0038 | −0.0039 −0.0017 −0.0015 −0.0012 −0.0006 | 0.0625 0.0252 0.0122 0.0055 0.0022 | 0.0115 0.0060 0.0029 0.0015 0.0006 |
| 2 | 25 50 100 200 500 | 0.0958 0.0419 0.0191 0.0120 0.0067 | 0.1479 0.0492 0.0240 0.0084 0.0058 | 0.0839 0.0306 0.0143 0.0067 0.0029 | 0.2549 0.0877 0.0377 0.0173 0.0066 |