Table 6: Grey relation coefficient and grade of grey relation of the alternatives.

CriteriaTaiwanHong KongChina
Aspired levelWorst levelAspired levelWorst levelAspired levelWorst level

C110.3630.8251.0000.3370.3371.000
C120.6370.9361.0000.6110.6111.000
C131.0000.3890.3891.0000.4460.752
C140.7200.8240.6241.0001.0000.624

C210.4781.0001.0000.4780.5560.774
C220.5151.0000.6710.6891.0000.515
C230.7520.7301.0000.5890.5891.000
C240.4031.0001.0000.4030.5460.607

C310.3811.0001.0000.3810.4520.708
C321.0000.8250.8251.0000.9010.907
C330.3331.0000.4340.5901.0000.333
C340.3891.0001.0000.3891.0000.389

Grey relational grades0.6300.8210.7640.6910.6990.710