instruction file = b1-ins.txt
data file = b3.txt
Error Components Frontier (see B&C 1992)
The model is a production function
The dependent variable is logged
the ols estimates are :
coefficient standard-error t-ratio
beta 0 -0.29725901E+01 0.70864219E+00 -0.41947688E+01
beta 1 0.10928708E+01 0.15592557E+00 0.70089259E+01
beta 2 0.27475808E+00 0.13832926E+00 0.19862615E+01
beta 3 -0.37858811E-01 0.11892346E+00 -0.31834603E+00
sigma-squared 0.69683183E-01
log likelihood function = -0.46469871E+00
the estimates after the grid search were :
beta 0 -0.29280307E+01
beta 1 0.10928708E+01
beta 2 0.27475808E+00
beta 3 -0.37858811E-01
sigma-squared 0.62377634E-01
gamma 0.50000000E-01
mu is restricted to be zero
eta is restricted to be zero
iteration = 0 func evals = 20 llf = -0.46649651E+00
-0.29280307E+01 0.10928708E+01 0.27475808E+00-0.37858811E-01 0.62377634E-01
0.50000000E-01
gradient step
iteration = 5 func evals = 49 llf = -0.46594244E+00
-0.29282839E+01 0.10907685E+01 0.27515059E+00-0.36770751E-01 0.61724376E-01
0.33895288E-01
iteration = 10 func evals = 122 llf = -0.46498835E+00
-0.29499836E+01 0.10926000E+01 0.27458984E+00-0.37472866E-01 0.60888181E-01
0.12786117E-01
iteration = 15 func evals = 227 llf = -0.46476661E+00
-0.29595594E+01 0.10928343E+01 0.27476195E+00-0.37729448E-01 0.60570899E-01
0.46677066E-02
iteration = 20 func evals = 334 llf = -0.46471758E+00
-0.29641290E+01 0.10928570E+01 0.27487481E+00-0.37858628E-01 0.60464828E-01
0.19248449E-02
iteration = 25 func evals = 441 llf = -0.46470525E+00
-0.29663335E+01 0.10928789E+01 0.27472166E+00-0.37864361E-01 0.60429932E-01
0.97359579E-03
iteration = 30 func evals = 531 llf = -0.46470167E+00
-0.29680460E+01 0.10929418E+01 0.27470284E+00-0.37869702E-01 0.60415259E-01
0.60263984E-03
iteration = 35 func evals = 640 llf = -0.46469997E+00
-0.29691464E+01 0.10928918E+01 0.27474403E+00-0.37860402E-01 0.60404415E-01
0.32215162E-03
iteration = 40 func evals = 733 llf = -0.46469927E+00
-0.29698642E+01 0.10928815E+01 0.27474903E+00-0.37859682E-01 0.60399694E-01
0.19821937E-03
iteration = 45 func evals = 827 llf = -0.46469897E+00
-0.29704229E+01 0.10928596E+01 0.27476621E+00-0.37857584E-01 0.60396556E-01
0.11566286E-03
iteration = 50 func evals = 939 llf = -0.46469885E+00
-0.29708309E+01 0.10928659E+01 0.27476180E+00-0.37858316E-01 0.60395126E-01
0.78779269E-04
iteration = 52 func evals = 966 llf = -0.46469883E+00
-0.29709690E+01 0.10928735E+01 0.27475595E+00-0.37859107E-01 0.60394739E-01
0.69000425E-04
the final mle estimates are :
coefficient standard-error t-ratio
beta 0 -0.29709690E+01 0.10589093E+01 -0.28056879E+01
beta 1 0.10928735E+01 0.14374686E+00 0.76027641E+01
beta 2 0.27475595E+00 0.12599886E+00 0.21806225E+01
beta 3 -0.37859107E-01 0.10624935E+00 -0.35632319E+00
sigma-squared 0.60394739E-01 0.16332334E-01 0.36978633E+01
gamma 0.69000425E-04 0.66489466E-01 0.10377648E-02
mu is restricted to be zero
eta is restricted to be zero
log likelihood function = -0.46469883E+00
the likelihood value is less than that obtained
using ols! - try again using different starting values
number of iterations = 52
(maximum number of iterations set at : 100)
number of cross-sections = 30
number of time periods = 10
total number of observations = 30
thus there are: 270 obsns not in the panel
covariance matrix :
0.11212889E+01 -0.92224814E-01 0.72168181E-01 -0.73919658E-02 0.21538821E-02
0.55690439E-01
-0.92224814E-01 0.20663160E-01 -0.10892023E-01 -0.72098681E-02 -0.61623522E-04
-0.17301340E-02
0.72168181E-01 -0.10892023E-01 0.15875714E-01 -0.36457025E-02 0.59290345E-04
0.13430897E-02
-0.73919658E-02 -0.72098681E-02 -0.36457025E-02 0.11288924E-01 0.40303120E-05
0.19140240E-03
0.21538821E-02 -0.61623522E-04 0.59290345E-04 0.40303120E-05 0.26674514E-03
0.17388394E-03
0.55690439E-01 -0.17301340E-02 0.13430897E-02 0.19140240E-03 0.17388394E-03
0.44208491E-02
technical efficiency estimates :
firm eff.-est.
1 0.99837269E+00
2 0.99839072E+00
3 0.99837420E+00
4 0.99837533E+00
5 0.99837675E+00
6 0.99837443E+00
7 0.99837627E+00
8 0.99838374E+00
9 0.99837382E+00
10 0.99837351E+00
11 0.99837659E+00
12 0.99837168E+00
13 0.99837247E+00
14 0.99837279E+00
15 0.99837459E+00
16 0.99837931E+00
17 0.99837701E+00
18 0.99836816E+00
19 0.99837223E+00
20 0.99836597E+00
21 0.99836472E+00
22 0.99836611E+00
23 0.99836288E+00
24 0.99837106E+00
25 0.99835836E+00
26 0.99837794E+00
27 0.99836875E+00
28 0.99837205E+00
29 0.99837934E+00
30 0.99837522E+00
mean efficiency = 0.99837329E+00
summary of panel of observations:
(1 = observed, 0 = not observed)
t: 1 2 3 4 5 6 7 8 9 10
n
1 1 0 0 0 0 0 0 0 0 0 1
2 1 0 0 0 0 0 0 0 0 0 1
3 1 0 0 0 0 0 0 0 0 0 1
4 1 0 0 0 0 0 0 0 0 0 1
5 1 0 0 0 0 0 0 0 0 0 1
6 1 0 0 0 0 0 0 0 0 0 1
7 1 0 0 0 0 0 0 0 0 0 1
8 1 0 0 0 0 0 0 0 0 0 1
9 1 0 0 0 0 0 0 0 0 0 1
10 1 0 0 0 0 0 0 0 0 0 1
11 1 0 0 0 0 0 0 0 0 0 1
12 1 0 0 0 0 0 0 0 0 0 1
13 1 0 0 0 0 0 0 0 0 0 1
14 1 0 0 0 0 0 0 0 0 0 1
15 1 0 0 0 0 0 0 0 0 0 1
16 1 0 0 0 0 0 0 0 0 0 1
17 1 0 0 0 0 0 0 0 0 0 1
18 1 0 0 0 0 0 0 0 0 0 1
19 1 0 0 0 0 0 0 0 0 0 1
20 1 0 0 0 0 0 0 0 0 0 1
21 1 0 0 0 0 0 0 0 0 0 1
22 1 0 0 0 0 0 0 0 0 0 1
23 1 0 0 0 0 0 0 0 0 0 1
24 1 0 0 0 0 0 0 0 0 0 1
25 1 0 0 0 0 0 0 0 0 0 1
26 1 0 0 0 0 0 0 0 0 0 1
27 1 0 0 0 0 0 0 0 0 0 1
28 1 0 0 0 0 0 0 0 0 0 1
29 1 0 0 0 0 0 0 0 0 0 1
30 1 0 0 0 0 0 0 0 0 0 1
30 0 0 0 0 0 0 0 0 0 30
希望能有好心的大神帮忙解读跑出来的数据结果


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