Technical efficiency of smallholder farmers in red pepper production in North Gondar zone Amhara regional state, Ethiopia

Journal of Economic Structures

The Official Journal of the Pan-Pacific Association of Input-Output Studies (PAPAIOS)

Table 2 Ordinary least squares (OLS) estimates of the average production function and maximum likelihood (ML) estimate of stochastic production frontier for red pepper farmers

Variables	Parameters	Ordinary least square estimates		Maximum likelihood estimates
Variables	Parameters	Coefficient	SE	Coefficient	SE
Constant	\(\beta_{0}\)	6.700***	0.208	7.056***	0.191
LnLand	\(\beta_{1}\)	0.630***	0.076	0.511***	0.075
Lnseed	\(\beta_{2}\)	0.297***	0.053	0.209***	0.056
Lnfertilizer	\(\beta_{3}\)	0.033**	0.018	0.009	0.018
LnChemical	\(\beta_{4}\)	0.021	0.033	0.067**	0.035
LnOxen	\(\beta_{5}\)	0.100**	0.052	0.135***	0.052
LnLabour	\(\beta_{6}\)	0.072**	0.029	0.052**	0.027
\(\left( {\sigma^{2} } \right)\)				0.4299***	0.0498
\(\left( \gamma \right)\)				0.4955***	00.663
Log likelihood function		− 316.22		− 289.25
Total sample size		385		385