We argue that this is due to the benefit of the economies of agglomeration and the externalities from the lower transportation cost. 此外，車站地之地價上升幅度也大於非車站地，這反映運輸量上升所產生的聚集經濟與外部利益。
The result is that the cities both have not seen agglomeration economy effects, but the special industrial sectors and zones have there own agglomeration economy advantages. 但從具體行業和特定地區來看，上海市和天津市呈現了各自的聚集經濟優勢。
