The Spatial Analysis of Economic Structure Dynamic Evolution in Central China

Taking prefecture-level cities as the basic research units,using the weighted center of gravity models,spatial au tocorrelation and other spatial analysis methods,this paper analyzes the economic migration,economic disparities and con centration,economic growth,the evolution of spatial pattern of central China in nearly 20 years.The result as follows,firstly,since 1991,the central region’s economic center excursion trend shows in direction of"M type"in general which is"north west → north → southwest → south",and the economic development in the western and northern of central China is prior than the east and south.Secondly,the level of regional economic agglomeration areas is similar and evident,which focused on hot spots in Wuhan,Zhengzhou and other provincial capital cities,and gradually form city groups and the economic growth pole.Thirdly,economic growth centralization in central China is evident,which is noticeable from 1998 to 2005,and becomes weakened after the year of 2006.Considering that in different periods,the economic growth centralization shows a trend of in creasing to decreasing.