
2.设置文件:
1 1=ERROR COMPONENTS MODEL, 2=TE EFFECTS MODEL
eg1-dta.txt DATA FILE NAME
eg1-out.txt OUTPUT FILE NAME
2 1=PRODUCTION FUNCTION, 2=COST FUNCTION
y LOGGED DEPENDENT VARIABLE (Y/N)
16 NUMBER OF CROSS-SECTIONS
9 NUMBER OF TIME PERIODS
144 NUMBER OF OBSERVATIONS IN TOTAL
14 NUMBER OF REGRESSOR VARIABLES (Xs)
y MU (Y/N) [OR DELTA0 (Y/N) IF USING TE EFFECTS MODEL]
y ETA (Y/N) [OR NUMBER OF TE EFFECTS REGRESSORS (Zs)]
n STARTING VALUES (Y/N)
IF YES THEN BETA0
BETA1 TO
BETAK
SIGMA SQUARED
GAMMA
MU [OR DELTA0
ETA DELTA1 TO
DELTAP]
NOTE: IF YOU ARE SUPPLYING STARTING VALUES
AND YOU HAVE RESTRICTED MU [OR DELTA0] TO BE
ZERO THEN YOU SHOULD NOT SUPPLY A STARTING
VALUE FOR THIS PARAMETER.
3.frontier4.1结果:
Output from the program FRONTIER (Version 4.1c)
instruction file = eg1-ins.txt
data file = eg1-dta.txt
Error Components Frontier (see B&C 1992)
The model is a cost function
The dependent variable is logged
the ols estimates are :
coefficient standard-error t-ratio
beta 0 0.90178826E+01 0.76459479E+01 0.11794329E+01
beta 1 0.15252929E+02 0.11214091E+02 0.13601575E+01
beta 2 0.15878967E+02 0.10076812E+02 0.15757928E+01
beta 3 -0.10759942E+01 0.40503409E+00 -0.26565523E+01
beta 4 -0.17881328E+00 0.74613812E+00 -0.23965171E+00
beta 5 0.22989948E+00 0.55194816E-01 0.41652369E+01
beta 6 -0.30087772E+00 0.59636755E+00 -0.50451725E+00
beta 7 -0.39056304E+00 0.55948274E+00 -0.69807880E+00
beta 8 -0.44002687E-01 0.23447914E-01 -0.18766141E+01
beta 9 0.13769736E+02 0.84492763E+01 0.16296942E+01
beta10 0.14138136E+02 0.68297095E+01 0.20700933E+01
beta11 0.19997107E-01 0.14414780E-01 0.13872641E+01
beta12 0.13771817E+02 0.76556954E+01 0.17988983E+01
beta13 -0.87511653E+00 0.30159446E+00 -0.29016333E+01
beta14 -0.78416285E+00 0.28305618E+00 -0.27703435E+01
sigma-squared 0.11973308E-02
log likelihood function = 0.28798447E+03
the estimates after the grid search were :
beta 0 0.89974532E+01
beta 1 0.15252929E+02
beta 2 0.15878967E+02
beta 3 -0.10759942E+01
beta 4 -0.17881328E+00
beta 5 0.22989948E+00
beta 6 -0.30087772E+00
beta 7 -0.39056304E+00
beta 8 -0.44002687E-01
beta 9 0.13769736E+02
beta10 0.14138136E+02
beta11 0.19997107E-01
beta12 0.13771817E+02
beta13 -0.87511653E+00
beta14 -0.78416285E+00
sigma-squared 0.14899678E-02
gamma 0.44000000E+00
mu 0.00000000E+00
eta 0.00000000E+00
iteration = 0 func evals = 19 llf = 0.29350606E+03
0.89974532E+01 0.15252929E+02 0.15878967E+02-0.10759942E+01-0.17881328E+00
0.22989948E+00-0.30087772E+00-0.39056304E+00-0.44002687E-01 0.13769736E+02
0.14138136E+02 0.19997107E-01 0.13771817E+02-0.87511653E+00-0.78416285E+00
0.14899678E-02 0.44000000E+00 0.00000000E+00 0.00000000E+00
gradient step
pt better than entering pt cannot be found
iteration = 1 func evals = 27 llf = 0.29350606E+03
0.89974532E+01 0.15252929E+02 0.15878967E+02-0.10759942E+01-0.17881328E+00
0.22989948E+00-0.30087772E+00-0.39056304E+00-0.44002687E-01 0.13769736E+02
0.14138136E+02 0.19997107E-01 0.13771817E+02-0.87511653E+00-0.78416285E+00
0.14899678E-02 0.44000000E+00 0.00000000E+00 0.00000000E+00
the final mle estimates are :
coefficient standard-error t-ratio
beta 0 0.89974532E+01 0.10000000E+01 0.89974532E+01
beta 1 0.15252929E+02 0.10000000E+01 0.15252929E+02
beta 2 0.15878967E+02 0.10000000E+01 0.15878967E+02
beta 3 -0.10759942E+01 0.10000000E+01 -0.10759942E+01
beta 4 -0.17881328E+00 0.10000000E+01 -0.17881328E+00
beta 5 0.22989948E+00 0.10000000E+01 0.22989948E+00
beta 6 -0.30087772E+00 0.10000000E+01 -0.30087772E+00
beta 7 -0.39056304E+00 0.10000000E+01 -0.39056304E+00
beta 8 -0.44002687E-01 0.10000000E+01 -0.44002687E-01
beta 9 0.13769736E+02 0.10000000E+01 0.13769736E+02
beta10 0.14138136E+02 0.10000000E+01 0.14138136E+02
beta11 0.19997107E-01 0.10000000E+01 0.19997107E-01
beta12 0.13771817E+02 0.10000000E+01 0.13771817E+02
beta13 -0.87511653E+00 0.10000000E+01 -0.87511653E+00
beta14 -0.78416285E+00 0.10000000E+01 -0.78416285E+00
sigma-squared 0.14899678E-02 0.10000000E+01 0.14899678E-02
gamma 0.44000000E+00 0.10000000E+01 0.44000000E+00
mu 0.00000000E+00 0.10000000E+01 0.00000000E+00
eta 0.00000000E+00 0.10000000E+01 0.00000000E+00
log likelihood function = 0.29350606E+03
LR test of the one-sided error = 0.11043171E+02
with number of restrictions = 3
[note that this statistic has a mixed chi-square distribution]
number of iterations = 1
(maximum number of iterations set at : 100)
number of cross-sections = 16
number of time periods = 9
total number of observations = 144
thus there are: 0 obsns not in the panel
covariance matrix :
0.10000000E+01 0.00000000E+00 0.00000000E+00 0.00000000E+00 0.00000000E+00
0.00000000E+00 0.00000000E+00 0.00000000E+00 0.00000000E+00 0.00000000E+00
0.00000000E+00 0.00000000E+00 0.00000000E+00 0.00000000E+00 0.00000000E+00
0.00000000E+00 0.00000000E+00 0.00000000E+00 0.00000000E+00
0.00000000E+00 0.10000000E+01 0.00000000E+00 0.00000000E+00 0.00000000E+00
0.00000000E+00 0.00000000E+00 0.00000000E+00 0.00000000E+00 0.00000000E+00
0.00000000E+00 0.00000000E+00 0.00000000E+00 0.00000000E+00 0.00000000E+00
0.00000000E+00 0.00000000E+00 0.00000000E+00 0.00000000E+00
0.00000000E+00 0.00000000E+00 0.10000000E+01 0.00000000E+00 0.00000000E+00
0.00000000E+00 0.00000000E+00 0.00000000E+00 0.00000000E+00 0.00000000E+00
0.00000000E+00 0.00000000E+00 0.00000000E+00 0.00000000E+00 0.00000000E+00
0.00000000E+00 0.00000000E+00 0.00000000E+00 0.00000000E+00
0.00000000E+00 0.00000000E+00 0.00000000E+00 0.10000000E+01 0.00000000E+00
0.00000000E+00 0.00000000E+00 0.00000000E+00 0.00000000E+00 0.00000000E+00
0.00000000E+00 0.00000000E+00 0.00000000E+00 0.00000000E+00 0.00000000E+00
0.00000000E+00 0.00000000E+00 0.00000000E+00 0.00000000E+00
0.00000000E+00 0.00000000E+00 0.00000000E+00 0.00000000E+00 0.10000000E+01
0.00000000E+00 0.00000000E+00 0.00000000E+00 0.00000000E+00 0.00000000E+00
0.00000000E+00 0.00000000E+00 0.00000000E+00 0.00000000E+00 0.00000000E+00
0.00000000E+00 0.00000000E+00 0.00000000E+00 0.00000000E+00
0.00000000E+00 0.00000000E+00 0.00000000E+00 0.00000000E+00 0.00000000E+00
0.10000000E+01 0.00000000E+00 0.00000000E+00 0.00000000E+00 0.00000000E+00
0.00000000E+00 0.00000000E+00 0.00000000E+00 0.00000000E+00 0.00000000E+00
0.00000000E+00 0.00000000E+00 0.00000000E+00 0.00000000E+00
0.00000000E+00 0.00000000E+00 0.00000000E+00 0.00000000E+00 0.00000000E+00
0.00000000E+00 0.10000000E+01 0.00000000E+00 0.00000000E+00 0.00000000E+00
0.00000000E+00 0.00000000E+00 0.00000000E+00 0.00000000E+00 0.00000000E+00
0.00000000E+00 0.00000000E+00 0.00000000E+00 0.00000000E+00
0.00000000E+00 0.00000000E+00 0.00000000E+00 0.00000000E+00 0.00000000E+00
0.00000000E+00 0.00000000E+00 0.10000000E+01 0.00000000E+00 0.00000000E+00
0.00000000E+00 0.00000000E+00 0.00000000E+00 0.00000000E+00 0.00000000E+00
0.00000000E+00 0.00000000E+00 0.00000000E+00 0.00000000E+00
0.00000000E+00 0.00000000E+00 0.00000000E+00 0.00000000E+00 0.00000000E+00
0.00000000E+00 0.00000000E+00 0.00000000E+00 0.10000000E+01 0.00000000E+00
0.00000000E+00 0.00000000E+00 0.00000000E+00 0.00000000E+00 0.00000000E+00
0.00000000E+00 0.00000000E+00 0.00000000E+00 0.00000000E+00
0.00000000E+00 0.00000000E+00 0.00000000E+00 0.00000000E+00 0.00000000E+00
0.00000000E+00 0.00000000E+00 0.00000000E+00 0.00000000E+00 0.10000000E+01
0.00000000E+00 0.00000000E+00 0.00000000E+00 0.00000000E+00 0.00000000E+00
0.00000000E+00 0.00000000E+00 0.00000000E+00 0.00000000E+00
0.00000000E+00 0.00000000E+00 0.00000000E+00 0.00000000E+00 0.00000000E+00
0.00000000E+00 0.00000000E+00 0.00000000E+00 0.00000000E+00 0.00000000E+00
0.10000000E+01 0.00000000E+00 0.00000000E+00 0.00000000E+00 0.00000000E+00
0.00000000E+00 0.00000000E+00 0.00000000E+00 0.00000000E+00
0.00000000E+00 0.00000000E+00 0.00000000E+00 0.00000000E+00 0.00000000E+00
0.00000000E+00 0.00000000E+00 0.00000000E+00 0.00000000E+00 0.00000000E+00
0.00000000E+00 0.10000000E+01 0.00000000E+00 0.00000000E+00 0.00000000E+00
0.00000000E+00 0.00000000E+00 0.00000000E+00 0.00000000E+00
0.00000000E+00 0.00000000E+00 0.00000000E+00 0.00000000E+00 0.00000000E+00
0.00000000E+00 0.00000000E+00 0.00000000E+00 0.00000000E+00 0.00000000E+00
0.00000000E+00 0.00000000E+00 0.10000000E+01 0.00000000E+00 0.00000000E+00
0.00000000E+00 0.00000000E+00 0.00000000E+00 0.00000000E+00
0.00000000E+00 0.00000000E+00 0.00000000E+00 0.00000000E+00 0.00000000E+00
0.00000000E+00 0.00000000E+00 0.00000000E+00 0.00000000E+00 0.00000000E+00
0.00000000E+00 0.00000000E+00 0.00000000E+00 0.10000000E+01 0.00000000E+00
0.00000000E+00 0.00000000E+00 0.00000000E+00 0.00000000E+00
0.00000000E+00 0.00000000E+00 0.00000000E+00 0.00000000E+00 0.00000000E+00
0.00000000E+00 0.00000000E+00 0.00000000E+00 0.00000000E+00 0.00000000E+00
0.00000000E+00 0.00000000E+00 0.00000000E+00 0.00000000E+00 0.10000000E+01
0.00000000E+00 0.00000000E+00 0.00000000E+00 0.00000000E+00
0.00000000E+00 0.00000000E+00 0.00000000E+00 0.00000000E+00 0.00000000E+00
0.00000000E+00 0.00000000E+00 0.00000000E+00 0.00000000E+00 0.00000000E+00
0.00000000E+00 0.00000000E+00 0.00000000E+00 0.00000000E+00 0.00000000E+00
0.10000000E+01 0.00000000E+00 0.00000000E+00 0.00000000E+00
0.00000000E+00 0.00000000E+00 0.00000000E+00 0.00000000E+00 0.00000000E+00
0.00000000E+00 0.00000000E+00 0.00000000E+00 0.00000000E+00 0.00000000E+00
0.00000000E+00 0.00000000E+00 0.00000000E+00 0.00000000E+00 0.00000000E+00
0.00000000E+00 0.10000000E+01 0.00000000E+00 0.00000000E+00
0.00000000E+00 0.00000000E+00 0.00000000E+00 0.00000000E+00 0.00000000E+00
0.00000000E+00 0.00000000E+00 0.00000000E+00 0.00000000E+00 0.00000000E+00
0.00000000E+00 0.00000000E+00 0.00000000E+00 0.00000000E+00 0.00000000E+00
0.00000000E+00 0.00000000E+00 0.10000000E+01 0.00000000E+00
0.00000000E+00 0.00000000E+00 0.00000000E+00 0.00000000E+00 0.00000000E+00
0.00000000E+00 0.00000000E+00 0.00000000E+00 0.00000000E+00 0.00000000E+00
0.00000000E+00 0.00000000E+00 0.00000000E+00 0.00000000E+00 0.00000000E+00
0.00000000E+00 0.00000000E+00 0.00000000E+00 0.10000000E+01
cost efficiency estimates :
efficiency estimates for year 1 :
firm eff.-est.
1 0.10373744E+01
2 0.10275418E+01
3 0.10215032E+01
4 0.10173235E+01
5 0.10357792E+01
6 0.10080806E+01
7 0.10113073E+01
8 0.10196929E+01
9 0.10257520E+01
10 0.10287908E+01
11 0.10317573E+01
12 0.10088350E+01
13 0.10085490E+01
14 0.10346346E+01
15 0.10023308E+01
16 0.10255059E+01
mean eff. in year 1 = 0.10215474E+01
efficiency estimates for year 2 :
firm eff.-est.
1 0.10373744E+01
2 0.10275418E+01
3 0.10215032E+01
4 0.10173235E+01
5 0.10357792E+01
6 0.10080806E+01
7 0.10113073E+01
8 0.10196929E+01
9 0.10257520E+01
10 0.10287908E+01
11 0.10317573E+01
12 0.10088350E+01
13 0.10085490E+01
14 0.10346346E+01
15 0.10023308E+01
16 0.10255059E+01
mean eff. in year 2 = 0.10215474E+01
efficiency estimates for year 9 :
firm eff.-est.
1 0.10373744E+01
2 0.10275418E+01
3 0.10215032E+01
4 0.10173235E+01
5 0.10357792E+01
6 0.10080806E+01
7 0.10113073E+01
8 0.10196929E+01
9 0.10257520E+01
10 0.10287908E+01
11 0.10317573E+01
12 0.10088350E+01
13 0.10085490E+01
14 0.10346346E+01
15 0.10023308E+01
16 0.10255059E+01
mean eff. in year 9 = 0.10215474E+01
summary of panel of observations:
(1 = observed, 0 = not observed)
问题:为什么输出结果每年的效率值都是一样的?是不是设置出了问题?
感谢大家了!!



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