请教各位,我用DEA做出结果如下:
EFFICIENCY SUMMARY:
firm crste vrste scale
1 0.890 1.000 0.890 drs
2 1.000 1.000 1.000 -
3 0.989 1.000 0.989 drs
4 1.000 1.000 1.000 -
5 0.969 1.000 0.969 irs
6 0.845 1.000 0.845 irs
7 1.000 1.000 1.000 -
8 0.974 1.000 0.974 irs
9 0.627 1.000 0.627 irs
10 0.628 1.000 0.628 irs
11 0.993 1.000 0.993 irs
12 0.656 1.000 0.656 irs
mean 0.881 1.000 0.881
但是冗余变量都是0,以firm3为例,实际的投入产出值竟然就是目标值,请问高手是哪里出问题了?firm3具体分析:
Results for firm: 3
Technical efficiency = 1.000
Scale efficiency = 0.989 (drs)
PROJECTION SUMMARY:
variable original radial slack projected
value movement movement value
output 1 5163.000 0.000 0.000 5163.000
output 2 531.000 0.000 0.000 531.000
input 1 2193.000 0.000 0.000 2193.000
input 2 601.000 0.000 0.000 601.000
LISTING OF PEERS:
peer lambda weight
3 1.000