From: Overall profit Malmquist productivity index under data uncertainty
DMUj | \((\underline {r}_{1j}, \overline {r}_{1j})\) | \((\underline {r}_{2j}, \overline {r}_{2j})\) | \((\underline {c}_{1j}, \overline {c}_{1j})\) | \((\underline {c}_{2j}, \overline {c}_{2j})\) | ||||
---|---|---|---|---|---|---|---|---|
t | t+1 | t | t+1 | t | t+1 | t | t+1 | |
1 | [10, 12] | [11, 15] | [30, 35] | [23, 30] | [100, 110] | [110, 115] | [50, 55] | [40, 50] |
2 | [9, 10] | [8, 9] | [27, 28] | [24, 29] | [110, 115] | [114, 117] | [40, 44] | [42, 45] |
3 | [8, 9] | [5, 9] | [25, 27] | [25, 26] | [105, 110] | [102, 109] | [42, 45] | [42, 50] |
4 | [9, 11] | [7, 12] | [29, 31] | [23, 26] | [107, 115] | [114, 115] | [50, 57] | [49, 52] |
5 | [10, 11] | [10, 14] | [28, 31] | [24, 30] | [111, 117] | [110, 114] | [47, 62] | [42, 52] |