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Table 3 Parameter estimates of probit selection equation for irrigation using matched sample

From: Correcting for sample selection in stochastic frontier analysis: insights from rice farmers in Northern Ghana

Variable Coef. Std. Err.
Age − .01711c 0.006
Sex − 0.48832c 0.180
HH head 0.14699 0.154
Education 0.01264 0.012
Commercial − 0.15443 0.125
Experience 0.01211 0.009
Location (region) 0.30812a 0.161
FBO − 0.36539c 0.129
Subsidy 0.25765a 0.153
Training 0.91004c 0.153
Credit − 0.70239c 0.198
CC perception 0.35782c 0.138
HH size − 0.02741c 0.010
McFadden pseudo R2 0.155
Log-likelihood function −308.26
Chi2 test statistic 113.5c
Number of Obs. 538
  1. a, b and c represent 10%, 5% and 1% level of significance, respectively
  2. Source: Analysis of field data, 2017