Research Article

Performance Analysis in Production Systems with Uncertain Data: A Stochastic Data Envelopment Analysis Approach

Table 5

Technical efficiency numbers, cost and random revenue in three error levels.

DMUsElectricity distribution companiesThe stochastic efficiency of companies

1AzerbaijanTE = 1TE = 1TE = 1
CE = 1CE = 1CE = 1
RE = 3.29RE = 3.49RE = 3.54

2EsfahanTE = 0.91TE = 0.88TE = 0.86
CE = 0/62CE = 0.59CE = 0.57
RE = 3.46RE = 3.55RE = 3.60

3KermanshahTE = 1TE = 1TE = 1
CE = 1CE = 1CE = 1
RE = 3.79RE = 4.34RE = 4.60

4TehranTE = 1TE = 1TE = 1
CE = 1CE = 1CE = 1
RE = 1RE = 1RE = 1

5KhorasanTE = 0.78TE = 0.77TE = 0.76
CE = 0.39CE = 0.36CE = 0.35
RE = 2.08RE = 2.13RE = 2.15

6KhuzestanTE = 1TE = 1TE = 1
CE = 0.81CE = 0.70CE = 0.62
RE = 2.49RE = 2.79RE = 2.95

7ZanjanTE = 1TE = 1TE = 1
CE = 0.73CE = 0.70CE = 0.69
RE = 1RE = 1RE = 1

8SemnanTE = 1TE = 1TE = 1
CE = 1CE = 1CE = 1
RE = 1RE = 1RE = 1

9Sistan and BaluchestanTE = 1TE = 1TE = 1
CE = 0.55CE = 0.53CE = 0.52
RE = 1RE = 1RE = 1

10The westTE = 0.94TE = 0.81TE = 0.76
CE = 0.59CE0.55CE = 0.52
RE = 3.74RE = 3.97RE = 4.7

11FarsTE = 1TE = 1TE = 0.90
CE = 1CE = 0.89CE = 0.68
RE = 5.3RE = 5.58RE = 5.70

12KermanTE = 0.63TE = 0.61TE = 0.60
CE = 0.44CE = 0.43CE = 0.42
RE = 4.15RE = 4.24RE = 4.27

13GuilanTE = 1TE = 1TE = 1
CE = 1CE = 1CE = 1
RE = 1RE = 1.21RE = 1.40

14MazandaranTE = 0.80TE = 0.70TE = 0.65
CE = 0.56CE = 0.53CE = 0.51
RE = 4.84RE = 5.01RE = 5.03

15HormozganTE = 0.53TE = 0.53TE = 0.52
CE = 0.51CE = 0.45CE = 0.42
RE = 5.72RE = 5.93RE = 6.1

16YazdTE = 1TE = 1TE = 1
CE = 0.77CE = 0.75CE = 0.75
RE = 1.02RE = 1.07RE = 1.09

TE: technical efficiency, CE: cost efficiency, and RE: revenue efficiency.