Research Article

Malmquist–Luenberger Productivity Index for a Two-Stage Structure in the Presence of Undesirable Outputs and Uncertainty

Table 10

The efficiency scores of the first stage in both time periods for .

DMUs1234567891011

1.0001.0001.0000.7350.9670.7160.7270.7330.8971.0000.831
0.7241.0000.5940.6620.6170.6270.5880.5120.9290.7380.529
1.0001.0000.4261.0001.0000.0890.2331.0001.0000.2761.000
0.0801.0001.0001.0001.0001.0001.0001.0000.3231.0000.182