| 1. | Typically , the geographical localization of industry and the formation of agglomeration economy are explained as consequences of externalities such as labor force pooling , middle product putting and technology spillover according to alfred marshall 在一定的条件下,自然禀赋的地理差异确实在影响着产业聚集的形成,本文对缘于自然禀赋差异的产业聚集作了三种不同的分类。 |