agglomeration economy has many latent fountainheads, in which some have been proposed by marshall including knowledge spillover, labor market pooling and investment sharing.

集聚经济有很多潜在的源泉，其中一些已被马歇尔所提出，包括知识外溢、劳动力市场蓄水池和投入品共享等。

in this condition, factory owners may enjoy high efficiency brought about by agglomeration economy in large cities, but need not.

此时，厂商享受着大城市较高的聚集经济带来的高效率，却不用对工人较高生活成本进行完全补偿。

on the one hand, the transfer of labor to promote urbanization and to promote agglomeration economy market space ;

一方面，以劳动力转移促进城镇化，促进集聚经济市场空间的形成；

agglomeration economy has attracted common attention as a new location factor.

集聚经济作为一种新的区位因素引起了普遍的关注。

therefore, the chemical industrial cluster gains the innovation advantages that single company does not have, such as circular economy, agglomeration economy and knowledge overflow.

因此，化工产业集群获得了单个企业所不具备的循环经济、集聚经济和知识溢出创新优势。

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.

但从具体行业和特定地区来看，上海市和天津市呈现了各自的聚集经济优势。

the existing researches on agglomeration economy are mainly restricted within an industrial level or regional economy level examination, and there is little analysis of organizational level.

已有的关于集聚经济的研究主要集中在产业水平或者区域经济水平，缺少从组织结构层次的分析。

the relationship between productivity disparity and economy density---micro-empirical research of agglomeration economy effect in beijing.

劳动生产率差异与经济集聚密度——基于北京市微观数据的实证研究。

this paper, by studying relative literatures, reveals completely the reason and the tendency of urban agglomeration economy and makes remarks in the final conclusion.

本文在分析集群企业成本和市场均衡的基础上提出了扩大集群规模的两种方法，认为提高聚集经济才是最根本的方法。

industrial agglomeration economy index is an important measure of urban agglomeration economy effect.

工业聚集经济指数是衡量城市聚集经济效应的重要尺度。

the factors influencing agglomeration economy can be mainly classified into such two categories as transportation cost and production density.

影响集聚经济的因素主要可归为运输成本和生产密度这两大类。