[求助]DEA对面板数据结果如何解释？

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zhizhi811001 发表于 2009-5-8 14:35:00 |AI写论文

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[求助]DEA对面板数据结果如何解释？
我选取了22家公司，3年的数据，出来的结果如下：
请指点如何分析？感谢！
Results from DEAP Version 2.1

Instruction file = 567-ins.txt
Data file       = 667-dta.txt

Output orientated Malmquist DEA

DISTANCES SUMMARY

year =    1
firm    crs te rel to tech in yr    vrs
no.    ************************    te
            t-1       t    t+1

   1    0.000    0.851    0.961    1.000
   2    0.000    0.581    0.677    0.861
   3    0.000    0.440    0.510    0.492
   4    0.000    0.529    0.602    0.726
   5    0.000    0.613    0.682    0.618
   6    0.000    0.374    0.415    0.709
   7    0.000    0.449    0.522    0.736
   8    0.000    0.840    1.019    0.938
   9    0.000    0.505    0.582    0.653
10    0.000    0.425    0.523    0.735
11    0.000    0.395    0.445    0.572
12    0.000    1.000    1.140    1.000
13    0.000    0.938    1.064    1.000
14    0.000    0.312    0.354    0.316
15    0.000    0.848    0.962    0.947
16    0.000    1.000    1.236    1.000
17    0.000    0.581    0.647    0.593
18    0.000    0.506    0.562    0.556
19    0.000    0.553    0.626    0.685
20    0.000    0.614    0.758    0.643
21    0.000    0.353    0.412    0.641
22    0.000    0.732    0.860    0.958
mean    0.000    0.611    0.707    0.744
year =    2
firm    crs te rel to tech in yr    vrs
no.    ************************    te
            t-1       t    t+1

   1    0.807    0.901    0.619    1.000
   2    0.519    0.591    0.398    0.766
   3    0.501    0.566    0.385    0.566
   4    0.487    0.549    0.374    0.704
   5    0.526    0.584    0.404    0.591
   6    0.461    0.543    0.354    0.822
   7    0.445    0.508    0.341    0.715
   8    0.748    0.918    0.625    1.000
   9    0.512    0.584    0.393    0.706
10    0.559    0.666    0.478    0.772
11    0.665    0.784    0.511    0.866
12    0.907    1.000    0.834    1.000
13    0.889    1.000    0.682    1.000
14    0.247    0.275    0.190    0.277
15    0.900    1.000    0.691    1.000
16    0.847    1.000    0.664    1.000
17    0.395    0.439    0.303    0.444
18    0.460    0.511    0.353    0.513
19    0.590    0.655    0.453    0.664
20    0.559    0.650    0.429    0.651
21    0.320    0.366    0.245    0.563
22    0.834    0.953    0.640    0.998
mean    0.599    0.684    0.471    0.755
year =    3
firm    crs te rel to tech in yr    vrs
no.    ************************    te
            t-1       t    t+1

   1    0.778    0.533    0.000    1.000
   2    0.551    0.377    0.000    0.705
   3    0.490    0.329    0.000    0.432
   4    1.537    1.000    0.000    1.000
   5    0.606    0.419    0.000    0.456
   6    1.249    0.866    0.000    1.000
   7    0.478    0.326    0.000    0.690
   8    0.817    0.533    0.000    0.781
   9    0.595    0.404    0.000    0.663
10    0.688    0.465    0.000    0.924
11    0.903    0.591    0.000    0.774
12    0.822    0.649    0.000    1.000
13    0.810    0.556    0.000    0.768
14    0.247    0.171    0.000    0.182
15    1.052    0.727    0.000    1.000
16    1.030    0.676    0.000    0.713
17    0.610    0.422    0.000    0.432
18    0.534    0.369    0.000    0.416
19    0.685    0.473    0.000    0.607
20    0.801    0.543    0.000    0.587
21    0.454    0.314    0.000    0.701
22    0.928    0.629    0.000    0.901
mean    0.758    0.517    0.000    0.715

[Note that t-1 in year 1 and t+1 in the final year are not defined]

MALMQUIST INDEX SUMMARY
year =    2
firm effch  techch pech sech tfpch

   1 1.059 0.890 1.000 1.059 0.943
   2 1.017 0.868 0.889 1.144 0.883
   3 1.285 0.875 1.150 1.118 1.124
   4 1.038 0.883 0.970 1.070 0.917
   5 0.954 0.899 0.956 0.998 0.858
   6 1.451 0.875 1.160 1.251 1.269
   7 1.131 0.868 0.971 1.165 0.982
   8 1.093 0.819 1.066 1.026 0.896
   9 1.157 0.872 1.081 1.071 1.009
10 1.569 0.826 1.051 1.493 1.295
11 1.988 0.867 1.515 1.312 1.723
12 1.000 0.892 1.000 1.000 0.892
13 1.066 0.885 1.000 1.066 0.944
14 0.881 0.890 0.877 1.005 0.784
15 1.179 0.891 1.056 1.117 1.050
16 1.000 0.828 1.000 1.000 0.828
17 0.756 0.899 0.748 1.010 0.680
18 1.009 0.900 0.923 1.094 0.909
19 1.185 0.892 0.969 1.223 1.057
20 1.059 0.834 1.013 1.046 0.884
21 1.036 0.865 0.878 1.180 0.897
22 1.301 0.863 1.041 1.250 1.123
mean 1.122 0.872 1.005 1.117 0.978
year =    3
firm effch  techch pech sech tfpch

   1 0.591 1.458 1.000 0.591 0.862
   2 0.637 1.474 0.920 0.693 0.939
   3 0.581 1.481 0.763 0.761 0.860
   4 1.821 1.502 1.420 1.283 2.736
   5 0.716 1.447 0.772 0.928 1.037
   6 1.596 1.487 1.216 1.312 2.374
   7 0.642 1.477 0.965 0.665 0.948
   8 0.581 1.501 0.781 0.743 0.872
   9 0.690 1.482 0.939 0.735 1.023
10 0.697 1.436 1.196 0.583 1.001
11 0.753 1.531 0.894 0.843 1.153
12 0.649 1.233 1.000 0.649 0.799
13 0.556 1.461 0.768 0.723 0.812
14 0.621 1.448 0.658 0.944 0.899
15 0.727 1.447 1.000 0.727 1.052
16 0.676 1.515 0.713 0.948 1.024
17 0.961 1.447 0.974 0.987 1.390
18 0.723 1.447 0.811 0.891 1.046
19 0.722 1.447 0.915 0.789 1.045
20 0.836 1.495 0.901 0.927 1.249
21 0.858 1.468 1.245 0.689 1.260
22 0.660 1.481 0.903 0.732 0.978
mean 0.746 1.461 0.927 0.806 1.091

MALMQUIST INDEX SUMMARY OF ANNUAL MEANS
year effch  techch pech sech tfpch

   2 1.122 0.872 1.005 1.117 0.978
   3 0.746 1.461 0.927 0.806 1.091
mean 0.915 1.128 0.965 0.948 1.033

MALMQUIST INDEX SUMMARY OF FIRM MEANS
firm effch  techch pech sech tfpch

   1 0.791 1.139 1.000 0.791 0.901
   2 0.805 1.131 0.905 0.890 0.911
   3 0.864 1.138 0.937 0.922 0.983
   4 1.375 1.152 1.174 1.171 1.584
   5 0.827 1.141 0.859 0.962 0.943
   6 1.522 1.141 1.188 1.281 1.736
   7 0.852 1.132 0.968 0.881 0.965
   8 0.797 1.109 0.913 0.873 0.883
   9 0.894 1.136 1.008 0.887 1.016
10 1.046 1.089 1.121 0.933 1.139
11 1.224 1.152 1.164 1.051 1.410
12 0.805 1.049 1.000 0.805 0.844
13 0.770 1.137 0.877 0.878 0.876
14 0.740 1.135 0.760 0.974 0.840
15 0.926 1.135 1.028 0.901 1.051
16 0.822 1.120 0.845 0.974 0.921
17 0.852 1.141 0.854 0.998 0.972
18 0.854 1.141 0.865 0.987 0.975
19 0.925 1.136 0.941 0.982 1.051
20 0.941 1.117 0.955 0.985 1.051
21 0.943 1.127 1.046 0.902 1.063
22 0.927 1.131 0.970 0.956 1.048
mean 0.915 1.128 0.965 0.948 1.033

[Note that all Malmquist index averages are geometric means]

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关键词：数据结果面板数据 DEA instruction Malmquist 如何 file

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wesea 发表于3楼查看完整内容

很简单，前面的没用看MALMQUIST INDEX SUMMARYyear=2 就是从第一年到第二年的变化数值，tfpch全要素生产性变化，分解成effech（技术效率变化）和技术变化（techch ）effech又分成了pech（纯技术效率变化）和sech（规模效率变化）大于1就是增加了小于1就是减少了