Skip to main content

Table 3 Generation model (export): calibration results (kg/day)

From: A demand model for international freight transport by road

Parameters (t-Student) Unit Perishable goods Industrial goods Consumption goods
β EP   2,373.54a (11.81) 189.44a (2.10) 1,365.13a (7.69)
β IC (€−1)    
β GDP (10−6 € inhabitants)   5,073.93a (1.84)  
β NT    159.04 (2.02) 790.09 (2.31)
β PT   −3,962.65 (−1.82)   
ρ 2   0.75 0.66 0.70
  1. aParameter value valid for natural logarithm of the correspondent attribute