15
6
0,25
0,2
0,15
0,1
0,05
0
10 14 18 22 26 30
# of exceedances
BL1
MSE
34 38 42 46 50 54 58
10 30 50 70 90 110 130 150 170 190 210
0,35
0,3
0,25
0,2
0,15
0,05
0
0.1
# of exceedances
BL2
MSE
Figure 1.4 MSE for threshold candidates for BL1 (above) and BL2 (below)
Table 1.4Estimated parameters for the GPD
Business line 1 Business line 2
Optimal threshold 375 450
GPD – shape 1.041 0.750
GPD – scale 1677 601
Mean square error 0.0588 0.0402