本文利用中国城市级数据,以十大城市群为研究对象,考察了它们的经济发展差异,并运用广义熵方法进行了总体差异的分解。研究发现:中国整体差异的扩大,很大程度上源于十大城市群间的不均衡发展,而城市群内部各城市之间发展水平差异对全国整体差异的影响并不显著;十大城市群内部城市间的经济差异在逐步减小,但全国其他地区与十大城市群之间的经济差异在不断扩大;城市群间和城市群内部城市间的差异都受到空间因素影响。
Based on the comparative research on the development of ten urban agglomerates of China,this paper proves that the regional economic disparities continue to widen,and the economic differences among ten megalopoleis are increased.This paper also explores the evolution mechanism of the difference between the whole country and the ten urban agglomerates.