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

Now, agglomeration economy has become the most interesting regional economic theory in the world, and it is regarded as the engine of regional economic growth.

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

A Survey on the Methods of Measuring Agglomeration Economies;

Agglomeration Economies and Labor Productivity:Evidence from Chinese Urban Panel Data

This paper uses panel data of Urban Agglomerations in China from 20002005 to explore the relationship between agglomeration economies,cost and market potential,the industrial division of labor and the actual use of foreign direct investment.

The research Progress of Agglomeration Economic Theory on Foreign Spatial Economics—also research the progress of urban agglomeration economics;

The thesis analyzes the evolution of enterprise clusters competition advantage based on the life-cycle of enterprise clusters, points out the rule of the evolution of enterprise clusters: from static competition advantage based on agglomerate economy to dynamic competition advantage based on innovative networks, then discusses the dynamic.

A Study on Estimating Agglomeration Economies of China Urban: The Case of Tianjin;

Micro-foundation of Agglomeration Economies;

In this paper the authors first analyze the cost of cluster enterprises and market equilibrium,then suggest two methods to enlarge cluster scale,and point out that it is essential to increase agglomeration economies for industrial cluster development.