Study On Relationship Of City Size And Scale Of City Development

The city is certain areas of the political, cultural, and economic and information gathering centers and radiation sources, the urban population, the space gathered of enterprises and various economic activities, which give the future urban development, and bring the special benefits that cluster effect. It could not only share infrastructure, economize the production cost and obtain scale economic benefit through the elements in space, but also can quickly access to technology and market information, improving transactional efficiency, reducing transaction cost, it could promote the work division and specialization development, obtain scope economy benefit or specialized economic benefits.With the improvement of city size, the cities aggregation effect plays a significant role. As the concentration of businesses and population, enterprises have the advantages in technology, information, human resources and other aspects, at the same time, better production, finance, information, technology services, focused and larger market would bring higher economic benefits for the enterprise; while, due to the larger city size, some of the negative impacts expose. For example:the expansion of the city leads to the deterioration of urban transport, environment, production costs and other aspects, bring the external costs adding, which forms of non-economic aspects, and become a city scale resistance. And as the population grows, the scale of urban construction has been paid more and more attention. Urban scale development has a major impact on urban economic development, urban planning and so. This paper links China's reality, from the perspective of city size; it analyzes the 70 cities that have the wide representative. This paper describes the home and abroad on the concepts of city size and formation mechanism. Then, through using 70 cities based on the data for analysis, and obtained using fitting methods of population size, land size and scale of urban construction, the correlation between. And according to their analysis of the correlation between the factors that affect the scale of urban development. Finally, according to the results of this study, combined with the status of urban development, cities arrived at a different scale size of the city needs to take a different development plan. Provide guidance for the development of real estate companies for the government departments concerned to formulate scientific, effective and appropriate policies to provide reference.