A Mathematical Approach to Supply Complexity Management Efficiency Evaluation for Supply Chain

Table 6

Value of slack variables and reference set.

DMU					Reference
Samsung Electronics	0	0	0	0	[1]
SK Holdings	0	65.47	0	0	[1, 6]
Hyundai Motor	6.59	0	0	0	[1, 11]
POSCO	0	178.47	0	0	[1, 6]
LG Electronics	2.96	0	0	0	[1, 11]
KEPCO	0	0	0	0	[6]
KIA Motor	0	0	0	0	[1, 10, 11]
GS Caltex	0	0	5.54	0	[10, 11]
Hanwha	2.48	2.09	0	0	[1]
KOGAS	0	0	0	0	[10]
S-Oil	0	0	0	0	[11]
Lotte Shopping	0	0	0	0	[1, 10, 11]