A Distribution-Free Approach to Stochastic Efficiency Measurement with Inclusion of Expert Knowledge

Table 2

Four experimental groups with variations and inefficiencies introduced to both inputs while keeping outputs constant.

DMU	Output	Experimental Grp 1		Experimental Grp 2		Experimental Grp 3		Experimental Grp 4
		Input 1	Input 2	Input 1	Input 2	Input 1	Input 2	Input 1	Input 2
1	12.55	3.16	12.5	2.34	12.85	2.91	12.6	2.68	13.92
2	10.43	3.69	9.08	1.6	10.07	2.34	8.23	3.32	8.34
3	9.68	4.88	8.41	3.58	5.97	6.1	6.43	4.25	6.53
4	9.53	5.27	5.31	7.28	9.43	7.84	3.96	6.44	4.25
5	9.68	8.39	7.43	6.98	5.9	7.64	2.96	9.93	3.55
6	10.01	9.17	3.8	7.04	5.57	9.6	4.01	10.46	4.98
7	10.43	10.92	3.11	9.6	3.26	7.71	2.9	6.29	2.95
8	11.45	13.14	3.95	11.41	1.88	10.38	3.14	11.71	3.05
9	11.99	9.33	2.85	11.53	4.75	13.88	0.59	13.25	2.47
10	12.55	10.38	7.43	13.94	2.46	12.55	4.44	12.19	3.73
11	13.12	12.67	1.69	12.46	4.79	13.53	1.1	13.24	1.1
12	14.25	17.59	4.8	15.71	2.09	16.57	2.27	14.14	2.08
13	15.36	17.35	4.23	17.33	4.44	15.35	1.38	15.47	2.25
14	16.46	19.13	1.4	20.33	3.49	19.11	0.06	18.67	0.57
15	16.99	19.98	2.51	19.31	4.85	20.57	1.21	19.32	2.59