Super-Efficiency Infeasibility in the Presence of Nonradial Measurement

Table 1

Data set of a simple example.

DMU	X1	X2	Y1	Super-efficiency model (1)	Super-efficiency model (2)
A	2	1	1	1	1
B	1	2	1	1.4	1.4
C	1	4	2	Infeasible	3
D	2	3	1	0.6	0.6
E	3	0	1	Infeasible	Infeasible