江苏省县域经济发展的时空分析

Temporal and spatial analysis of economic development of county level in Jiangsu Province

以2000-2013年为研究时序,从经济规模、水平、结构和效益4个方面,将江苏省县域经济发展与全省、全国及其县域进行比较,发现呈现以下特征：规模持续扩大,水平迅速提高,结构显著优化,效益不断提升;同时,综合实力明显强于全国县域.为进一步揭示江苏省县域经济发展的地域分异规律,以45个县域为基本单元,构建江苏省县域经济发展综合实力的评价指标体系,运用熵值法计算综合得分,基于空间自相关法,对江苏省县域经济的演化过程和空间格局进行系统分析.结果表明：江苏省县域经济发展综合实力提高的同时,呈现出南北梯度差异逐渐缩小的趋势,在空间分布上呈现出苏南优于苏中、苏北发展滞后的高低相似集聚的格局特征,且空间类型以效益提升型为主.

In order to investigate the evolution trend of the economic development of country level in Jiangsu Province,45 counties are chosen as a whole from 2000 to 2013,whose economic development is compared with that of Jiangsu Province,the whole nation and counties across our country,from economic scale,economic level,economic structure and economic benefit.And the following characteristics of Jiangsu county economic development have been showed：economic scale enhances persistently,economic level raises rapidly,economic structure optimizes observably,economic benefit improves ceaselessly.The comprehensive strength of the countys economic development is markedly better than the national counties.Furthermore to reveal the rules of territorial differentiation of the economic development in Jiangsu counties,45 counties are chosen as the basic units.The evaluative indices system of the comprehensive strength of Jiangsu county economic development is set up,using entropy method to get the composite score and exploring the feasibility of spatial autocorrelation,the evolution process and spatial pattern of Jiangsu county economic development are systematically analyzed,which draws the following conclusions：the comprehensive strength level of county economy in Jiangsu Province increases rapidly,showing a north-south gradient difference diminishing trend.The similar features of spatial distribution of southern Jiangsu are better than middle Jiangsu.And the development of northern Jiangsu is relatively behindhand,and its dominant type of space is the efficiency improvement type.