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Table 4 Average quantity attracted and emitted by each employee (kg/day)

From: A demand model for international freight transport by road

Parameters (t-Student) Perishable goods Industrial goods Consumption goods
Import
β EP 240 (4.34) 80 (2.72) 40 (5.19)
ρ 2 0.27 0.14 0.28
Export
β EP 1,190 (7.39) 370 (4.15) 80 (5.43)
ρ 2 0.51 0.29 0.30