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Output from the program FRONTIER (Version 4.1c)
instruction file = 2008in.ins
data file = 2008h2.dta
Error Components Frontier (see B&C 1992)
The model is a production function
The dependent variable is not logged
the ols estimates are :
coefficient standard-error t-ratio
beta 0 0.12362233E-01 0.17385588E-02 0.71106208E+01
beta 1 0.45999047E-03 0.73438749E-03 0.62635935E+00
beta 2 0.66641990E-02 0.37887902E-02 0.17589253E+01
beta 3 -0.59796086E-03 0.87712494E-03 -0.68172826E+00
beta 4 -0.64001853E-01 0.99615827E-01 -0.64248679E+00
sigma-squared 0.96090378E-05
log likelihood function = 0.46009528E+03
the estimates after the grid search were :
beta 0 0.14937407E-01
beta 1 0.45999047E-03
beta 2 0.66641990E-02
beta 3 -0.59796086E-03
beta 4 -0.64001853E-01
sigma-squared 0.15782988E-04
gamma 0.66000000E+00
mu is restricted to be zero
eta 0.00000000E+00
iteration = 0 func evals = 20 llf = 0.47463269E+03
0.14937407E-01 0.45999047E-03 0.66641990E-02-0.59796086E-03-0.64001853E-01
0.15782988E-04 0.66000000E+00 0.00000000E+00
gradient step
pt better than entering pt cannot be found
iteration = 1 func evals = 28 llf = 0.47463269E+03
0.14937407E-01 0.45999047E-03 0.66641990E-02-0.59796086E-03-0.64001853E-01
0.15782988E-04 0.66000000E+00 0.00000000E+00
the final mle estimates are :
coefficient standard-error t-ratio
beta 0 0.14937407E-01 0.10000000E+01 0.14937407E-01
beta 1 0.45999047E-03 0.10000000E+01 0.45999047E-03
beta 2 0.66641990E-02 0.10000000E+01 0.66641990E-02
beta 3 -0.59796086E-03 0.10000000E+01 -0.59796086E-03
beta 4 -0.64001853E-01 0.10000000E+01 -0.64001853E-01
sigma-squared 0.15782988E-04 0.10000000E+01 0.15782988E-04
gamma 0.66000000E+00 0.10000000E+01 0.66000000E+00
mu is restricted to be zero
eta 0.00000000E+00 0.10000000E+01 0.00000000E+00
log likelihood function = 0.47463269E+03
LR test of the one-sided error = 0.29074815E+02
with number of restrictions = 2
[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 = 15
number of time periods = 7
total number of observations = 105
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 0.10000000E+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 0.10000000E+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 0.10000000E+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 0.10000000E+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
0.10000000E+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 0.10000000E+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 0.10000000E+01
technical efficiency estimates :
efficiency estimates for year 1 :
firm eff.-est.
1 0.92720293E+00
2 0.77998134E+00
3 0.96766067E+00
4 0.95621013E+00
5 0.86200154E+00
6 0.87602620E+00
7 0.90661744E+00
8 0.96406423E+00
9 0.90971280E+00
10 0.78067305E+00
11 0.61427479E+00
12 0.83128129E+00
13 0.70836128E+00
14 0.72513115E+00
15 0.62529253E+00
mean eff. in year 1 = 0.82896609E+00
efficiency estimates for year 2 :
firm eff.-est.
1 0.92720293E+00
2 0.77998134E+00
3 0.96766067E+00
4 0.95621013E+00
5 0.86200154E+00
6 0.87602620E+00
7 0.90661744E+00
8 0.96406423E+00
9 0.90971280E+00
10 0.78067305E+00
11 0.61427479E+00
12 0.83128129E+00
13 0.70836128E+00
14 0.72513115E+00
15 0.62529253E+00
mean eff. in year 2 = 0.82896609E+00
efficiency estimates for year 3 :
firm eff.-est.
1 0.92720293E+00
2 0.77998134E+00
3 0.96766067E+00
4 0.95621013E+00
5 0.86200154E+00
6 0.87602620E+00
7 0.90661744E+00
8 0.96406423E+00
9 0.90971280E+00
10 0.78067305E+00
11 0.61427479E+00
12 0.83128129E+00
13 0.70836128E+00
14 0.72513115E+00
15 0.62529253E+00
mean eff. in year 3 = 0.82896609E+00
efficiency estimates for year 4 :
firm eff.-est.
1 0.92720293E+00
2 0.77998134E+00
3 0.96766067E+00
4 0.95621013E+00
5 0.86200154E+00
6 0.87602620E+00
7 0.90661744E+00
8 0.96406423E+00
9 0.90971280E+00
10 0.78067305E+00
11 0.61427479E+00
12 0.83128129E+00
13 0.70836128E+00
14 0.72513115E+00
15 0.62529253E+00
mean eff. in year 4 = 0.82896609E+00
efficiency estimates for year 5 :
firm eff.-est.
1 0.92720293E+00
2 0.77998134E+00
3 0.96766067E+00
4 0.95621013E+00
5 0.86200154E+00
6 0.87602620E+00
7 0.90661744E+00
8 0.96406423E+00
9 0.90971280E+00
10 0.78067305E+00
11 0.61427479E+00
12 0.83128129E+00
13 0.70836128E+00
14 0.72513115E+00
15 0.62529253E+00
mean eff. in year 5 = 0.82896609E+00
efficiency estimates for year 6 :
firm eff.-est.
1 0.92720293E+00
2 0.77998134E+00
3 0.96766067E+00
4 0.95621013E+00
5 0.86200154E+00
6 0.87602620E+00
7 0.90661744E+00
8 0.96406423E+00
9 0.90971280E+00
10 0.78067305E+00
11 0.61427479E+00
12 0.83128129E+00
13 0.70836128E+00
14 0.72513115E+00
15 0.62529253E+00
mean eff. in year 6 = 0.82896609E+00
efficiency estimates for year 7 :
firm eff.-est.
1 0.92720293E+00
2 0.77998134E+00
3 0.96766067E+00
4 0.95621013E+00
5 0.86200154E+00
6 0.87602620E+00
7 0.90661744E+00
8 0.96406423E+00
9 0.90971280E+00
10 0.78067305E+00
11 0.61427479E+00
12 0.83128129E+00
13 0.70836128E+00
14 0.72513115E+00
15 0.62529253E+00
mean eff. in year 7 = 0.82896609E+00
summary of panel of observations:
(1 = observed, 0 = not observed)
t: 1 2 3 4 5 6 7
n
1 1 1 1 1 1 1 1 7
2 1 1 1 1 1 1 1 7
3 1 1 1 1 1 1 1 7
4 1 1 1 1 1 1 1 7
5 1 1 1 1 1 1 1 7
6 1 1 1 1 1 1 1 7
7 1 1 1 1 1 1 1 7
8 1 1 1 1 1 1 1 7
9 1 1 1 1 1 1 1 7
10 1 1 1 1 1 1 1 7
11 1 1 1 1 1 1 1 7
12 1 1 1 1 1 1 1 7
13 1 1 1 1 1 1 1 7
14 1 1 1 1 1 1 1 7
15 1 1 1 1 1 1 1 7
15 15 15 15 15 15 15 105
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