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Table 4 Estimation of TE by data envelopment analysis (DEA)

From: Technical efficiency and productivity of farms: a periurban case study analysis

  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
  1. Note: n.s. denotes not statistically significance; *** denotes significance at 1%.