Economics Research International / 2014 / Article / Tab 1

Research Article

Analysis of Economic Efficiency and Farm Size: A Case Study of Wheat Farmers in Nakuru District, Kenya

Table 1

Ordinary least squares (OLS) estimates of the average production function and ML estimates of the stochastic production frontier for the sampled wheat producers.

VariableOLS estimates-ratioML estimates-ratio
CoefficientStandard errorCoefficientStandard error

Intercept4.591.0034.574.460.8825.06
lnseed0.280.2281.240.480.205
lnfertilizer0.080.0541.490.110.043
lnfoliar0.10.1140.890.090.0831.13
lnchemical0.190.0660.110.042
lnhiredlabor0.040.0291.520.040.0251.76
lnfamilylabor
sigma squared0.541.260.2165.82
gamma ()0.930.036
Log likelihood−140.54−131.2

Significant at the 5% level.

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