Table 2 Attraction model (import): calibration results (kg/day)

β _EP

435.62^a (2.56)

27.28^a (2.06)

β _IC

(€⁻¹)

0.03 (2.10)

354.23^a (3.28)

β _GDP

(10⁻⁶ € inhabitants)

3,487.39^a (1.95)

β _NT

466.12 (2.25)

β _PT

−1,745.42 (−1.76)

−94.36 (−2.04)

−3,513.04 (−2.57)

β _ER

410.78^a (2.42)

ρ ²

0.47

0.44

0.69