Research Article

Estimation of Congestion in Free Disposal Hull Models Using Data Envelopment Analysis

Table 3

Data set and results of Part (a) of the proposed algorithm in Example 2.

DMUsStatus

A(1, 1)(1, 1){A, B, C, D}2(1, 1)(2, 2)ā€‰No congestion
B(2, 2)(2, 2){B}0(0, 0)(2, 2){B}0No congestion
C(2, 3)(2, 1){C}0(0, 0)(2, 1){B, C}1Congestion
D(3, 3)(1, 1){D}0(0, 0)(1, 1){A, B, C, D}2Congestion