Super-Efficiency Infeasibility in the Presence of Nonradial Measurement

Table 4

Illinois strip mines.

DMU	Labor (1000 miner days)	K1 (cubic yards)	K2 (cubic yards)	K3 (cubic yards per hour)	T1 (feet)	1/D1 (D1 in feet)	T2 (feet)	1/D2 (D2 in feet)	Output (1000 tons)
1	98.5	142	245	0	6	0.016	4.3	0.012	3264
2	96.5	30	215	0	6	0.016	0	0	3065
3	57.6	18	105	0	5.6	0.026	4.2	0.016	2275
4	59.2	160	0	0	5.9	0.025	3.7	0.011	1978
5	57.6	200	0	0	8	0.022	3.5	0.011	1833
6	49.9	27	85	0	4.5	0.019	0	0	1218
7	53.5	143	65	0	6	0.01	0	0	928
8	34	70	65	12	6	0.02	5	0.01	919
9	39.6	67.5	40	0	6.5	0.013	0	0	777
10	51.3	0	145	0	3.2	0.019	0	0	745
11	74.2	110	65	0	2.1	0.014	0	0	742
12	24	25	65	0	4.4	0.012	0	0	488
13	26.5	58	0	0	3	0.014	0	0	407
14	43.1	70	0	0	6.5	0.012	0	0	402
15	20.7	236	0	0	5.7	0.01	0	0	396