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Table 3 Results from unrestricted and restricted models

From: Factors affecting efficiency of cotton producers in rural Khorezm, Uzbekistan: Re-examining the role of knowledge indicators in technical efficiency improvement

  Initial estimates Final estimates
Coefficient SE Coefficient SE
Final Stage
Intercept   0.011   0.067
LcFitted 0.99 *** 0.057
Inefficiency Effects Model
Constant 0.486 *** 0.306 0.488 *** 0.043
Bscore −0.001 NS 0.216 −0.001 NS 0.001
Fsize −0.002 *** 0.109 −0.002 *** 0.001
Wavail −0.072 *** 0.29 −0.072 *** 0.013
Weedfreq −0.024 *** 0.104 −0.024 *** 0.005
Div −0.011 NS 0.034 −0.013 NS 0.022
Offwork 0.024 NS 0.066 0.023 * 0.013
Edb −0.061 *** 0.048 −0.062 *** 0.019
Manur −0.043 ** 0.046 −0.044 ** 0.019
Dratio 0.003 NS 0.171 0.003 NS 0.008
Acredit −0.058 ** 0.053 −0.06 *** 0.014
Wua −0.067 ** 0.001 −0.069 *** 0.015
Drain 0.043 ** 0.001 0.045 *** 0.013
Efficiency Diagnostics
SigmaSq 0.008 *** 0.02 0.008 *** 0.001
Gamma 0.989 *** 0.005 0.982 *** 0.014
  1. Note:***, **, *indicates significance at the 1, 5 and 10% levels, respectively.