Analysis of technical efficiency of small holder wheat-growing farmers of Jamma district, Ethiopia

Table 1 Maximum likelihood estimate for Cobb–Douglas production function

Variable	Maximum likelihood estimate
Variable	Coefficient	SE	Z-value
Intercept	1.063***	0.353	3.01
lnOxen	0.002**	0.001	2.01
lnLabor	0.030***	0.018	2.78
lnSeed	0.014	0.009	1.56
lnFertilizer	0.057*	0.031	1.84
lnArea	0.365***	0.099	3.69
Sigma-squared	0.127***	0.043	2.95
Log likelihood	− 47.31
Return to scale	1.43
Mean technical efficiency	0.88
Total sample size	149

ISSN: 2048-7010