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

Table 3 Generalized likelihood ratio test of hypotheses for model and parameters

From: Estimation of technical efficiency of black cumin (Nigella sativa L.) farming in northwest Ethiopia: a stochastic frontier approach

Null hypothesis

Degree of freedom

\({\text{LR}}\)

\(x^{2}\) value

Decision

\(H_{0} : \gamma = 0\)

1

72.66

3.84**

Rejected

\(H_{0} : \beta_{7} = \cdots = \beta_{27} = 0\)

21

30.53

32.67**

Not rejected

\(H_{0} : \delta_{0} = \cdots = \delta_{9}\)

9

72.66

16.92**

Rejected

  1. **Statistically significant at 5%