用27个省市的面板数据算TFP,我用DEAP2.1算出来,为什么techch有那么多个是一样的啊?
请各位大侠帮我看看,是不是我做的有问题?
MALMQUIST INDEX SUMMARY
year = 2
firm effch techch pech sech tfpch
1 0.982 1.017 0.976 1.006 0.998
2 1.006 1.026 1.000 1.006 1.033
3 0.984 0.984 0.986 0.998 0.968
4 1.015 0.984 1.027 0.988 0.999
5 1.012 1.003 1.017 0.995 1.015
6 0.981 0.984 0.993 0.988 0.966
7 1.010 0.984 1.018 0.992 0.994
8 1.000 1.036 1.000 1.000 1.036
9 0.999 1.001 0.994 1.006 1.000
10 0.985 1.025 0.982 1.003 1.010
11 1.011 0.984 1.020 0.991 0.995
12 0.990 0.995 0.995 0.995 0.985
13 0.950 0.984 0.957 0.993 0.935
14 0.980 0.984 0.994 0.986 0.964
15 0.980 0.984 0.983 0.997 0.965
16 0.983 0.984 0.987 0.996 0.968
17 0.969 0.984 0.974 0.995 0.954
18 1.000 1.013 1.000 1.000 1.013
19 0.996 0.984 1.008 0.988 0.980
20 1.020 1.018 1.053 0.969 1.039
21 0.961 0.984 0.961 0.999 0.946
22 0.945 0.984 0.957 0.988 0.930
23 1.004 0.984 1.017 0.987 0.988
24 0.990 0.984 0.999 0.991 0.974
25 0.981 0.984 1.006 0.975 0.966
26 0.949 0.984 1.000 0.949 0.934
27 0.962 1.037 0.962 0.999 0.997
mean 0.987 0.996 0.995 0.992 0.983
year = 3
firm effch techch pech sech tfpch
1 0.974 1.031 0.975 1.000 1.005
2 0.996 1.032 1.000 0.996 1.028
3 0.992 0.988 0.994 0.997 0.980
4 1.006 0.988 1.015 0.991 0.993
5 0.995 1.010 1.008 0.988 1.005
6 0.973 0.988 0.983 0.989 0.961
7 1.013 0.988 1.023 0.990 1.001
8 1.000 1.062 1.000 1.000 1.062
9 0.991 1.010 0.990 1.001 1.000
10 0.994 1.029 0.991 1.003 1.024
11 0.996 0.988 1.005 0.991 0.984
12 0.987 0.997 0.992 0.995 0.984
13 0.940 0.988 0.942 0.998 0.929
14 0.983 0.988 0.988 0.995 0.971
15 0.982 0.988 0.984 0.997 0.969
16 0.995 0.988 1.000 0.995 0.982
17 0.972 0.988 0.978 0.994 0.960
18 1.000 1.010 1.000 1.000 1.010
19 0.984 0.988 0.996 0.988 0.972
20 1.043 0.990 1.066 0.979 1.033
21 0.958 0.988 0.959 0.999 0.946
22 0.957 0.988 0.970 0.987 0.946
23 0.980 0.988 0.992 0.988 0.968
24 0.957 0.988 0.961 0.996 0.945
25 0.988 0.988 1.015 0.973 0.976
26 0.950 0.988 1.000 0.950 0.938
27 0.981 1.032 0.983 0.998 1.013
mean 0.985 0.999 0.993 0.992 0.984