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Table 5 Optimal (fully efficient) input use estimated by DEA (average values of TE VRS)

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

   Observed values Optimal values TE Savings
Considering one frontier
 Overall efficiency (TEo)     
  Land (ha) 78.59 64.80 0.80 − 13.79
  Expe (€’000) 211.36 183.20 0.79 − 28.16
  Work (€’000) 121.74 92.51 0.79 − 29.22
 Livestock
  Land (ha) 90.44 73.86 0.80 − 16.59
  Expe (€’000) 346.50 308.42 0.81 − 38.08
  Work (€’000) 137.62 113.03 0.81 − 24.58
 Crops
  Land (ha) 69.57 57.92 0.80 − 11.66
  Expe (€’000) 108.65 88.04 0.78 − 20.62
  Work (€’000) 109.67 76.92 0.78 − 32.75
Considering two frontiers
 Livestock subgroup efficiency TEg
  Land (ha) 90.44 71.95 0.79 − 18.49
  Expe (€’000) 346.50 312.58 0.83 − 33.93
  Work (€’000) 137.62 115.57 0.83 − 22.05
 Crop subgroup efficiency TEg
  Land (ha) 69.57 63.61 0.88 − 5.97
  Expe (€’000) 108.65 95.43 0.86 − 13.23
  Work (€’000) 109.67 99.93 0.89 − 9.74