Research Article

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

Table 11

DEA-Chebyshev model efficiency analysis from simulation 4 at .

  
Upper bounds
  
Lower bounds
St. dev

DMU10.81.6051.207 (7)1.377 (3)1.292 (0.68)0.571
DMU20.7291.2911.951 (6)0.918 (3)1.4347 (0.05)0.3981
DMU30.7761.2040 (0)0.719 (4)0.359 (0.1)0.3030.99
DMU40.671.12600.920.460.3220.898
DMU50.4640.9870000.370.726
DMU60.430.8130000.2710.622
DMU70.7161.3636.874 (12)3.849 (10)5.361 (0.00)0.4581
DMU80.5720.9790000.2880.775
DMU90.6031.0100.0150.0070.2880.807
DMU100.6970.9280000.1630.812
DMU110.7991.7670 (0)2.327 (9)1.164 (0.002)0.6850.9
DMU120.8311.07700.5120.2560.1740.954
DMU130.8841.0972.217 (4)0.514 (3)1.366 (0.06)0.150.991
DMU140.9133.8621.316 (5)2.731 (7)2.023 (0.03)2.0851
DMU150.9232.6821.435 (3)1.119 (2)1.277 (0.29)1.2441

Note: In Tables 811, the values shown in columns 4 and 5 in brackets represent the frequency with which a DEA-efficient DMU is used as a reference unit in DCF. Those in column 6 represent the values for the upper and lower limits for the lambdas for the DEA-efficient units.