Resource use efficiency among maize farmers in Ghana

Table 4 Variance parameters for the stochastic frontier production function

Variable	Parameter	Standard error
Sigma squared \(\sigma^{2} = \sigma_{u}^{2} + \sigma_{v}^{2}\)	0.72206*	0.006
Gamma \(\gamma = \sigma_{u}^{2} /\sigma^{2}\)	0.999999***	0.046
Lambda \(\lambda = \sigma_{u} /\sigma_{v}\)	3,764,018***	0.009
Log-likelihood	−246.316
Number of farmers	548
Wald	3.1 × 10¹⁰***
Mean VIF	1.2519
Breusch–Pagan stat	0.5664

Source: Survey, 2015
The asterisks indicate levels of significance. *** is significant at 1%, ** is significant at 5%, and * is significant at 10%

ISSN: 2048-7010