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Table 8 Variance inflating factors

From: Turkish migration to Europe: a modified gravity model analysis

Variable VIF 1/VIF
ln(GDP jt /GDP it ) 3.740 0.267
ln(Population it ) 1.440 0.692
ln(Population jt ) 1.830 0.546
Distance ij 2.690 0.372
Urbanization Rate jt 2.220 0.450
ln(Area j ) 3.450 0.290
Contiguity ij 1.780 0.562
Community j 2.760 0.362
Landlocked j 1.170 0.858
Mean VIF 2.390  
  1. To check for multicollinearity among some independent variables, we calculated variance inflation factors (VIFs) for all the independent variables in the model. The mean VIF for all variables in the model was 2.39 with a maximum of 3.74 for ln(GDP jt /GDP it ) and a minimum of 1.17 for Landlocked