Sector__________ |
________29________ |
_________31 *_________ |
_________32__________ |
_________33_________ |
Constant |
0.396*** (0.074) |
1.281*** (0.171) |
0.475*** (0.074) |
1.278*** (0.299) |
lnx1 |
0.650*** (0.045) |
0.573*** (0.050) |
0.332*** (0.076) |
0.824*** (0.101) |
lnx2 |
0.499*** (0.038) |
0.604*** (0.037) |
0.756*** (0.056) |
0.337*** (0.081) |
lnx1 *lnx1 |
0.001 (0.031) |
0.036 (0.051) | ||
lnx2 *lnx2 |
0.048*** (0.018) |
0.081*** (0.020) | ||
lnx1 *lnx2 |
-0.054 (0.041) |
-0.164*** (0.053) | ||
Dummy 2002 |
0.023 (0.053) | |||
Dummy 2003 |
0.004 (0.053) | |||
Dummy 2004 |
0.095* (0.053) | |||
γ |
0.884*** (0.070) |
0.569*** (0.058) |
0.944*** (0.027) |
0.656*** (0.072) |
μ |
-2.341 (2.701) |
1.430*** (0.247) |
-4.508* (2.694) |
1.501*** (0.392) |
Log likelihood |
-1,495.70 |
-914.79 |
-423.63 |
-215.01 |
Sector__________ |
________34 *________ |
________35________ |
_________36_________ | |
Constant |
1.005*** (0.158) |
0.983 *** (0.148) |
0.264*** (0.042) | |
lnx1 |
0.904*** (0.044) |
0.745*** (0.059) |
0.756*** (0.026) | |
lnx2 |
0.297*** (0.027) |
0.399*** (0.045) |
0.406*** (0.024) | |
lnx1 *lnx1 |
0.050 (0.036) |
0.020 (0.015) | ||
lnx2 *lnx2 |
0.049*** (0.015) |
0.048*** (0.009) | ||
lnx1 *lnx2 |
-0.085** (0.038) |
-0.059*** (0.020) | ||
Dummy 2002 |
0.225*** (0.060) |
-0.006 (0.038) | ||
Dummy 2003 |
0.244*** (0.060) |
-0.127*** (0.037) | ||
Dummy 2004 |
0.260*** (0.066) |
-0.108*** (0.036) | ||
γ |
0.624*** (0.035) |
0.598*** (0.030) |
0.868*** (0.018) | |
μ |
1.371*** (0.204) |
1.436*** (0.170) |
-3.257*** (0.530) | |
Log likelihood |
-779.74 |
-1,242.07 |
-3,629.46 | |
lnx1 is the log of labour, lnx2 the log of capital, lnx3 the log of material costs, γ an estimate of the share of technical |
efficiency in total variance and μ the mean of the distribution of inefficiency effects.
Standard errors are given in parenthesis, *** indicates significance at the 1% level, ** indicates significance at the 5% level, *
indicates significance at the 10% level
*Restricted to Cobb-Douglas model due to violation of theoretical properties
36
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