Which one of the following statements correctly explains the difference between Gravity model and Potential model?
1
Gravity model does not take distances into account, while Potential model takes distances into account.
2
Gravity model makes no provision for size of places, while potential model considers size of places.
3
Gravity model deals with only two places at a time, while Potential model accounts for interactions between many places.
4
Both Gravity model and Potential model are the same