我做的是25个省,30年的面板数据,但是结果是:
MALMQUIST INDEX SUMMARY OF ANNUAL MEANS
year effch techch pech sech tfpch
2 0.767 1.364 0.825 0.929 1.046
3 1.276 0.000 1.201 1.063 0.000
4 1.022 1.027 0.987 1.036 1.051
5 0.969 1.035 0.978 0.990 1.003
6 0.768 1.382 0.815 0.941 1.061
7 1.107 0.957 1.082 1.024 1.060
8 1.083 0.875 1.113 0.973 0.947
9 1.107 1.000 1.083 1.022 1.106
10 1.076 0.998 1.062 1.013 1.074
11 1.042 1.026 1.068 0.976 1.069
12 0.941 1.120 0.952 0.988 1.054
13 0.839******** 0.909 0.923********
14 0.991 1.079 0.973 1.019 1.069
15 1.211 0.809 1.119 1.082 0.980
16 0.995 0.914 0.977 1.019 0.909
17 1.440 0.284 1.333 1.081 0.409
18 0.725 2.919 0.771 0.940 2.115
19 0.970 1.043 0.970 1.000 1.012
20 0.969 1.103 0.992 0.977 1.069
21 0.974 0.962 0.972 1.002 0.936
22 0.933 1.111 0.966 0.967 1.037
23 1.035 1.018 1.043 0.993 1.054
24 0.984 1.057 0.992 0.992 1.040
25 1.001 1.015 1.002 0.999 1.016
26 0.965 1.053 0.989 0.976 1.017
27 0.995 1.078 1.031 0.966 1.073
28 0.994 1.069 1.010 0.985 1.063
29 0.920 1.188 0.961 0.957 1.093
30 0.883 1.251 0.952 0.928 1.105
mean 0.989 0.000 0.999 0.991 0.000
MALMQUIST INDEX SUMMARY OF FIRM MEANS
firm effch techch pech sech tfpch
1 0.984 1.082 0.985 0.999 1.065
2 0.985 1.048 0.986 0.999 1.032
3 0.979 1.050 0.995 0.984 1.028
4 0.997 1.054 1.003 0.995 1.051
5 1.003 1.043 1.008 0.995 1.046
6 0.985 1.032 0.994 0.992 1.017
7 0.986 1.051 0.997 0.990 1.037
8 1.000 1.053 1.000 1.000 1.053
9 1.001 1.061 1.000 1.001 1.063
10 1.009 1.062 1.009 1.000 1.072
11 0.973NaN 0.980 0.993NaN
12 0.994 1.042 1.000 0.994 1.036
13 0.969 1.042 0.983 0.986 1.010
14 1.011 1.053 1.013 0.998 1.065
15 0.984 1.025 0.988 0.996 1.008
16 1.007 1.051 1.009 0.998 1.058
17 1.005 1.023 1.008 0.997 1.028
18 1.013 1.051 1.013 1.000 1.065
19 0.993 1.035 0.998 0.995 1.028
20 0.954 0.996 0.975 0.978 0.950
21 1.000 1.028 1.007 0.993 1.028
22 0.980 1.029 0.995 0.985 1.008
23 0.951 1.028 0.996 0.955 0.977
24 0.970 1.056 1.000 0.970 1.023
25 1.006 1.046 1.024 0.983 1.053
mean 0.989NaN 0.999 0.991NaN
[Note that all Malmquist index averages are geometric means]
中间有13 0.839******** 0.909 0.923********和11 0.973NaN 0.980 0.993NaN 不知道这是什么意思?
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