Dimension-Specific Efficiency Measurement Using Data Envelopment Analysis

Table 4

Input-output data for 26 supermarkets.

ID	Sales (10^6 Yuan)	Customer satisfaction	Shop size (10^2 m^2)	Promotion (% of sales)	Man-hour (10^3 h)
1	3.7	3.6	7	2.1	32
2	3.9	3.7	13	2.6	30
3	3.6	3.7	13	2.9	28
4	4.2	3.9	10	3.3	24
5	4	3.9	12	3	38
6	4	3.9	9	3.8	24
7	3.2	4	9	2.2	32
8	4.1	4	7	3.4	30
9	3.6	4.1	7	3.5	24
10	4.2	4.2	6	3.5	32
11	4	4.2	7	3.5	28
12	3.7	3.5	6	3	24
13	4	3.6	6	2.5	25
14	4.2	4.2	9	3.5	29
15	4	4.3	10	4	26
16	4.1	4	6	4	33
17	4	4	11	3.5	25
18	3.8	3.6	11	2.8	20
19	4.6	4.3	12	4.2	30
20	4.2	4.4	12	3.9	30
21	4.4	4.3	6	3.8	32
22	4.4	4.4	7	4.1	35
23	4.5	4.5	12	5	33
24	4.6	4.5	14	4.3	36
25	4.6	4.5	7	3	35
26	4.5	4.6	12	4.6	30