请问各位大神,我要做DEA三阶段模型,做第二阶段用frontier4.1,最小二乘法的结果如下,请问如何看是不是显著,显著水平是多少?
Output from the program FRONTIER (Version 4.1c)
instruction file = eg1-ins.txt
data file = me.txt
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 -0.38090693E+04 0.64587223E+04 -0.58975585E+00
beta 1 0.97347906E+00 0.19635078E+01 0.49578569E+00
beta 2 0.21255701E+02 0.85014898E+02 0.25002325E+00
beta 3 0.19912452E+03 0.31719556E+03 0.62776578E+00
sigma-squared 0.50820919E+05
log likelihood function = -0.72720754E+02
the estimates after the grid search were :
beta 0 -0.37764613E+04
beta 1 0.97347906E+00
beta 2 0.21255701E+02
beta 3 0.19912452E+03
sigma-squared 0.33403863E+05
gamma 0.50000000E-01
mu 0.00000000E+00
eta is restricted to be zero