本人最近做了关于2008年银行效率的DEA 检验,检验了国内十家银行,输入变量是固定资产、员工人数、机构总数;输出变量是利润总额。DEA 检验结果却不是很明白,哪位能帮我解释一下?谢啊!
Results from DEAP Version 2.1
Instruction file = eg1-ins.txt
Data file = eg1-dta.txt
Input orientated DEA
Scale assumption: VRS
Slacks calculated using multi-stage method
No solutions satisfy constraints given
No solutions satisfy constraints given
No solutions satisfy constraints given
EFFICIENCY SUMMARY:
firm crste vrste scale
1 0.750 1.000 0.750 drs
2 0.207 0.252 0.823 drs
3 0.676 0.861 0.784 drs
4 0.769 1.000 0.769 drs
5 0.662 0.803 0.824 drs
6 1.000 1.000 1.000 -
7 1.000 1.000 1.000 -
8 0.720 0.720 1.000 -
9 1.000 1.000 1.000 -
10 0.000 0.000-NaN -
mean 0.678 0.764-NaN
Note: crste = technical efficiency from CRS DEA
vrste = technical efficiency from VRS DEA
scale = scale efficiency = crste/vrste