Evaluating Green Performance of Suppliers via Analytic Network Process and TOPSIS

Table 6

Normalized decision matrix of TOPSIS.

Supplier	Pollution control				Environment management system		Green products			Environmental collaboration				Environmental competency
	pc1	pc2	pc3	pc4	ems1	ems2	gp1	gp2	gp3	eco1	eco2	eco3	eco4	ec1	ec2	ec3	ec4
S1	1.114	1.270	0.789	1.551	0.455	1.203	1.239	0.857	1.298	1.221	1.038	1.263	1.228	0.994	1.506	0.902	1.199
S2	1.241	0.882	1.402	1.140	1.217	0.728	1.239	0.857	0.920	1.089	1.297	0.739	1.095	0.994	1.233	1.019	1.069
S3	0.698	0.714	0.870	1.237	0.541	0.836	1.021	0.549	0.979	0.765	0.584	0.711	0.691	0.631	1.201	0.874	0.674
S4	0.936	0.796	0.444	0.445	0.475	0.754	0.626	0.695	0.655	0.477	0.808	0.416	0.480	0.788	0.555	0.642	0.602
S5	0.880	0.768	1.013	1.017	1.086	0.951	0.879	0.644	0.809	1.089	1.038	0.739	0.970	1.122	1.233	1.019	0.947
S6	0.880	1.132	0.687	0.900	0.845	0.836	1.239	0.857	1.298	0.739	1.164	0.630	0.743	0.761	0.769	0.902	0.625
S7	0.495	0.474	1.136	1.140	0.455	0.628	0.992	0.644	1.039	0.543	0.359	0.437	0.379	0.248	0.987	0.793	0.625
S8	1.375	0.768	1.402	1.407	1.086	0.836	1.373	1.524	1.165	1.089	1.164	1.263	0.970	0.994	1.107	1.019	0.947
S9	1.241	1.132	1.136	1.140	1.503	1.203	1.373	0.857	1.039	0.739	1.164	0.857	1.228	1.258	0.874	1.410	1.199
S10	0.559	0.714	1.043	0.873	0.541	0.754	1.112	1.449	1.165	0.848	0.655	0.482	0.418	0.369	1.016	0.960	0.918
S11	0.936	1.067	0.789	0.873	0.845	0.836	1.112	1.340	1.165	0.848	1.263	0.553	0.853	0.873	0.930	0.874	0.833
S12	1.430	1.106	1.213	1.217	1.217	1.203	1.265	1.076	0.943	1.064	1.164	1.324	1.311	1.258	1.182	1.220	0.971
S13	0.773	0.392	0.505	0.594	0.304	1.073	0.494	1.101	0.435	0.637	0.435	0.630	0.546	0.559	0.577	0.427	0.370
S14	1.023	1.166	0.870	0.791	0.932	1.203	1.021	1.134	1.165	1.221	1.069	0.888	1.332	0.963	0.930	0.960	1.199
S15	1.241	1.003	1.266	1.017	1.356	1.203	0.673	0.747	0.809	1.360	1.164	0.630	0.970	1.122	1.233	1.273	1.480
S16	1.114	0.714	0.789	0.641	0.414	0.921	0.697	0.857	0.584	0.613	1.164	0.984	0.853	1.155	0.847	0.716	1.007
S17	1.267	0.812	1.293	1.217	1.217	0.975	1.039	1.000	1.088	1.141	1.014	0.907	0.853	1.019	1.034	1.142	1.044
S18	1.023	1.166	0.955	0.873	0.685	0.470	0.935	1.134	0.892	0.765	1.164	0.711	0.940	1.258	0.930	0.874	0.674