Table 4 Estimation of TE by data envelopment analysis (DEA)
From: Technical efficiency and productivity of farms: a periurban case study analysis
| Â | TE for the farming systems | p value | |
|---|---|---|---|
Crops (n. 25) | Livestock (n. 19) | ||
Variable return to scale technical efficiency TEVRS | |||
 Overall efficiency TEo | 0.76 | 0.78 | n.s |
 Subgroup efficiency TEg | 0.87 | 0.79 | n.s |
 Productivity index φ | 0.84 | 0.99 | *** |
Scale efficiency | |||
 SE overall | 0.89 | 0.92 | n.s. |
 SE subgroup | 0.95 | 0.79 | n.s |