Table 5 Second-stage coefficients and bootstrap confidence intervals at 5% (L = 2,000)

Cost inefficiency

 Year of experience

−0.006***

0.002

[0.003; 0.010]

−0.003

0.004

[−0.002; 0.010]

 Education

−0.229***

0.050

[−0.327; −0.131]

0.099

0.088

[−0.091; 0.209]

 Household size

0.036

0.009

[0.017; 0.054]

0.017

0.016

[−0.024; 0.031]

 Training

−0.088**

0.052

[−0.189; 0.013]

−0.201**

0.095

[−0.346; 0.105]

 Contact with extension services

−0.136*

0.057

[−0.248; −0.024]

−0.097**

0.128

[−0.430; 0.220]

 Access to credit

−0.031

0.051

[−0.131; 0.070]

−0.300***

0.153

[0.309; 1.071]

 Number of farm workers

−0.007

0.005

[−0.017; 0.003]

0.011

0.009

[−0.010; 0.021]

 Main profession

−0.363

0.051

[−0.463; −0.263]

−0.061***

0.110

[−0.143; 0.239]

 Distance of the farm from nearest major market

0.003**

0.003

[−0.008; 0.002]

0.003

0.009

[−0.006; 0.023]

 Contract with input suppliers

−0.220

0.065

[0.093; 0.348]

−0.158**

0.130

[−0.193; 0.288]

 Membership in farmer association/cooperatives

−0.159

0.064

[−0.285; −0.032]

−0.060***

0.087

[−0.289; 0.008]

 Mortality rate (%)

0.000

0.002

[−0.004; 0.004]

0.005**

0.002

[−0.009; 0.006]

 _cons

0.621***

0.148

[0.331; 0.912]

0.488

0.279

[−0.667; 0.487]

 /sigma

0.167***

0.014

[0.140; 0.194]

0.216***

0.023

[0.172; 0.260]

Wald chi2(12) = 243.06***

Wald chi2(12) = 72.14***

Pure technical inefficiency

 Year of experience

0.001

0.001

[0.000; 0.002]

−0.002***

0.001

[0.001; 0.003]

 Education

−0.017

0.015

[−0.047; 0.013]

−0.034 ***

0.017

[0.010; 0.060]

 Household size

−0.007***

0.003

[0.002; 0.013]

−0.024

0.003

[0.022; 0.030]

 Training

−0.050***

0.015

[−0.080; −0.020]

−0.036*

0.017

[−0.046; 0.006]

 Contact with extension services

−0.050

0.017

[−0.082; −0.017]

−0.033***

0.022

[−0.047; 0.018]

 Access to credit

−0.022

0.015

[−0.051; 0.008]

−0.001

0.023

[−0.037; 0.031]

 Number of farm workers

−0.002

0.002

[−0.005; 0.001]

−0.001

0.002

[−0.006; 0.000]

 Main profession

−0.029*

0.015

[−0.058; 0.000]

−0.034***

0.019

[−0.093; −0.034]

 Distance of the farm from nearest major market

0.002***

0.001

[0.001; 0.003]

0.003**

0.002

[−0.005; 0.001]

Contract with input suppliers

−0.080

0.018

[−0.116; −0.044]

−0.062

0.022

[−0.100; 0.036]

 Membership in farmer association/cooperatives

−0.071

0.019

[−0.108; −0.034]

−0.035*

0.015

[−0.029; 0.017]

 Mortality rate (%)

0.008**

0.001

[−0.001; 0.001]

0.001***

0.000

[0.000; 0.001]

 _cons

0.297***

0.044

[0.210; 0.384]

0.031

0.047

[−0.080; 0.065]

 /sigma

0.049***

0.004

[0.041; 0.057]

0.033***

0.003

[0.027; 0.040]

Wald chi2(12) = 532.33***

Wald chi2(12) = 1408.20***

Allocative inefficiency

 Year of experience

−0.006***

0.002

[0.002; 0.009]

−0.004

0.004

[−0.003; 0.010]

 Education

−0.206***

0.053

[−0.309; −0.103]

0.056

0.100

[−0.150; 0.177]

 Household size

−0.022**

0.010

[0.002; 0.041]

−0.016 *

0.019

[−0.064; 0.002]

 Training

−0.047

0.055

[−0.154; 0.061]

−0.238 **

0.112

[−0.399; 0.115]

 Contact with extension services

−0.075

0.061

[−0.195; 0.046]

−0.136**

0.149

[−0.507; 0.153]

Access to credit

0.032

0.055

[−0.075; 0.140]

−0.322***

0.190

[0.292; 1.508]

 Number of farm workers

−0.004

0.006

[−0.015; 0.007]

0.009

0.010

[−0.013; 0.021]

 Main profession

−0.302***

0.054

[−0.409; −0.196]

0.196

0.132

[−0.059; 0.377]

 Distance of the farm from nearest major market

−0.004

0.003

[−0.010; 0.001]

0.007

0.010

[−0.005; 0.030]

 Contract with input suppliers

0.330

0.071

[0.190; 0.470]

−0.104*

0.153

[−0.159; 0.413]

 Membership in farmer association/cooperatives

−0.096

0.068

[−0.229; 0.037]

−0.013

0.099

[−0.263; 0.073]

 Mortality rate (%)

0.001**

0.002

[−0.003; 0.005]

0.006**

0.003

[−0.012; 0.004]

 _cons

0.327**

0.154

[0.025; 0.629]

0.540

0.337

[−1.012; 0.535]

 /sigma

0.172***

0.015

[0.143; 0.201]

0.228***

0.027

[0.175; 0.281]

Wald chi2(12) = 79.69***

Wald chi2(12) = 23.46***