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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 |