Arrange the following variables in their order of impact based on traditional application of the Gravity Model in urban and regional planning:
- Distance between origin and destination
- Population size of destination
- Socio-economic factors integration
- Population size of origin
1
3, 1, 2, 4
2
1, 2, 3, 4
3
2, 3, 1, 4
4
4, 2, 1, 3
5
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