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(yè)和特定地區來(lái)看，上海市和天津市呈現了各自的聚集經(jīng)濟優(yōu)勢。
But the aggregated economy effect including urbanization effect and localization effect tends to decline when the cities' population is beyond a certain size. 但是在達到一定城市規模以后，城市人口規模越大，包含地方化經(jīng)濟和城市化經(jīng)濟的聚集經(jīng)濟效應呈現遞減趨勢。
