Table 7: Relative closeness and the ranking of alternatives.

CriteriaLocal weightsGlobal weightsPerformance of alternatives
TaiwanHong KongChina

C1 government policies0.441
 C11 efficiency of authority0.1410.062 (8)0.209 (2)0.633 (1)0.158 (3)
 C12 vessels recruited in war0.0830.037 (12)0.293 (2)0.431 (1)0.276 (3)
 C13 registry qualifications acquired0.3580.158 (2)0.560 (1)0.180 (3)0.260 (2)
 C14 direct shipping licenses0.4180.184 (1)0.319 (2)0.268 (3)0.413 (1)
C2 economic factors0.317
 C21 crew costs0.2200.070 (6)0.222 (3)0.486 (1)0.292 (2)
 C22 dual class expenses0.1600.051 (9)0.221 (3)0.330 (2)0.449 (1)
 C23 financing costs0.3380.107 (3)0.337 (2)0.416 (1)0.247 (3)
 C24 tax-related expenses0.2820.089 (4)0.162 (3)0.520 (1)0.318 (2)
C3 operational flexibility0.242
 C31 employment requirement for Taiwanese seafarers0.2860.069 (7)0.169 (3)0.562 (1)0.269 (2)
 C32 complying with PSC requirements0.1890.046 (11)0.359 (1)0.308 (3)0.333 (2)
 C33 cargo considerations0.3290.080 (5)0.116 (3)0.284 (2)0.600 (1)
 C34 prohibition of the employment of Chinese seafarers0.1960.047 (10)0.080 (3)0.460 (1)0.460 (1)

Relative closeness0.566 (3)0.475 (1)0.504 (2)