From: Technical efficiency in the sheep dairy industry: an application on the Sardinian (Italy) sector
Restrictions | Model | L(H 0 ) | λ | d.f. |
| Decision |
---|---|---|---|---|---|---|
None | Translog, non neutral | 32.31 | ||||
H0 : β1t;β2t;β3t = 0 | Hicks-neutral technical change | 24.77 | 15.06 | 3 | 7.82 | Rejected |
H0 : βt,β1t,β2t,β3t,βtt= 0 | No technical change | 20.86 | 22.89 | 5 | 11.67 | Rejected |
H0 : βp, = 0 | Technological homogeneity | 30.85 | 2.90 | 1 | 3.84 | Not reject |
H0 : β ij = 0 | Cobb-Douglas | 23.71 | 17.19 | 10 | 18.31 | Not reject |
None | Cobb Douglas | 23.71 | ||||
H0 : δ 2 ; δ 3 ; δ 4 = 0 | Neutral | 17.73 | 11.96 | 3 | 7.82 | Rejected |
H0 : γ = δ1;…δn = 0 | No inefficiency effects | 20.82 | 5.77 | 6 | 11.91* | Rejected |
H0 : γ = δ0; δ 2 ; δ 3 ; δ 4 = 0 | No stochastic effects | 21.06 | 5.30 | 5 | 10.37* | Rejected |
H0 : δ0= 0 | No intercept | 23.09 | 1.24 | 1 | 3.84 | Not reject |
H0 : δ1;…δn = 0 | No firm-specific factors | 16.86 | 13.68 | 4 | 9.49 | Rejected |
H0 : δ1 = 0 | No Age effects | 21.59 | 4.04 | 1 | 3.84 | Rejected |