Economic Differences Among Counties And The Coordinated Development Of Research

County economy, a hub connecting agriculture and industry & city and country, is characterized with regionalism. As a foundation for the national economic, the county is numerous and wide-ranging and the economic difference is more prominent than the differences between provinces. That will inevitably baffle the advancement of market reform and the coordinated development of regional economics.Focusing on the county economic disparities of Tai'an City, Shandong Province and directed by the relevant theories of regional economic differences and coordinated development, this thesis makes a in-depth and systematic study on the changing process of county economic differences, its space characteristics, influence factors and whether it is reasonable and gets Countermeasures for the county economic coordinated development. This research possesses not only the theoretical value, but also the practical significance to the county's economic development strategy and building a harmonious society.The research results show that: the absolute and relative differences of the per person GDP of the 6 counties in Tai'an City have been expanding constantly from 1999 to 2006; using the principal components analysis of SPSS16.0 software to appraise the county economy comprehensively, we draw the conclusion that the county economic differences of Tai'an City are polarized; after analyzing by the model of advance alert to economic difference, we conclude that the county economic differences have negative influence to the economic of Tai'an City; the reasons for these disparities are the differences of the economic base, the industrial structure, the factor input and the level of urbanization etc. The only solution to resolve the county economic differences problem is to achieve the coordinated development among different regions, so we must strive for adjusting the industrial structure, increasing the capital input and accelerating the process of urbanization etc.