Table 6 Mean squared error for the number of observations each arm = 100
Distribution of productivity loss outcome | Scales in the two armsa | OLS | NB | ZTNB | ZG | Three-part |
|---|---|---|---|---|---|---|
x = mean | ||||||
80:15:5/60:30:10 | Equal Scale | 7.337 (0.146) | 7.912 (0.163) | 7.369 (0.148) | 7.379 (0.148) | 7.168 (0.145) |
80:15:5/60:30:10 | Unequal Scale | 7.596 (0.152) | 8.221 (0.168) | 7.648 (0.153) | 7.659 (0.153) | 7.434 (0.148) |
60:35:5/40:50:10 | Equal Scale | 7.477 (0.145) | 7.800 (0.153) | 7.562 (0.147) | 7.573 (0.147) | 7.139 (0.139) |
60:35:5/40:50:10 | Unequal Scale | 7.538 (0.153) | 7.872 (0.157) | 7.625 (0.153) | 7.636 (0.153) | 7.519 (0.149) |
50:40:10/30:55:15 | Equal Scale | 9.167 (0.181) | 9.585 (0.190) | 9.341 (0.185) | 9.355 (0.185) | 8.898 (0.175) |
50:40:10/30:55:15 | Unequal Scale | 9.313 (0.182) | 9.726 (0.188) | 9.494 (0.183) | 9.507 (0.184) | 9.369 (0.183) |
x = 0 | ||||||
80:15:5/60:30:10 | Equal Scale | 8.273 (0.164) | 6.117 (0.140) | 5.846 (0.121) | 5.853 (0.121) | 5.832 (0.123) |
80:15:5/60:30:10 | Unequal Scale | 8.649 (0.175) | 6.323 (0.165) | 6.081 (0.124) | 6.090 (0.125) | 6.053 (0.123) |
60:35:5/40:50:10 | Equal Scale | 7.917 (0.153) | 6.260 (0.123) | 6.266 (0.123) | 6.275 (0.123) | 6.275 (0.127) |
60:35:5/40:50:10 | Unequal Scale | 7.960 (0.163) | 6.345 (0.129) | 6.250 (0.127) | 6.259 (0.127) | 6.502 (0.131) |
50:40:10/30:55:15 | Equal Scale | 9.228 (0.180) | 7.873 (0.158) | 7.795 (0.156) | 7.811 (0.156) | 7.765 (0.156) |
50:40:10/30:55:15 | Unequal Scale | 9.426 (0.184) | 7.988 (0.155) | 7.985 (0.155) | 8.001 (0.156) | 8.305 (0.162) |
x = 30 | ||||||
80:15:5/60:30:10 | Equal Scale | 8.865 (0.173) | 18.038 (0.564) | 11.210 (0.231) | 11.228 (0.232) | 10.454 (0.215) |
80:15:5/60:30:10 | Unequal Scale | 8.991 (0.174) | 17.965 (0.493) | 11.506 (0.238) | 11.519 (0.238) | 10.718 (0.215) |
60:35:5/40:50:10 | Equal Scale | 8.139 (0.159) | 14.363 (0.326) | 10.529 (0.212) | 10.519 (0.212) | 9.113 (0.178) |
60:35:5/40:50:10 | Unequal Scale | 8.219 (0.163) | 14.250 (0.322) | 10.661 (0.220) | 10.643 (0.220) | 9.646 (0.196) |
50:40:10/30:55:15 | Equal Scale | 9.347 (0.187) | 16.324 (0.365) | 12.471 (0.253) | 12.456 (0.253) | 10.663 (0.211) |
50:40:10/30:55:15 | Unequal Scale | 9.455 (0.185) | 16.445 (0.347) | 12.530 (0.247) | 12.511 (0.247) | 11.045 (0.218) |