我国中心-外围城市经济发展差异及收敛性研究

A Study on the Differences and Convergence of the Economic Development of Central-Peripheral Cities

研究目标:揭示我国中心—外围城市经济发展差异及收敛性。研究方法:基于2005~2017年中国23个省份266个地级市的面板数据,构建单中心、双中心的中心—外围城市经济发展差异测度模型对其差异进行测度,借助σ和β收敛模型、OLS面板回归模型、空间面板计量模型对收敛性进行检验。研究发现:中心—外围城市经济发展差异总体呈逐渐缩小趋势且存在σ收敛、绝对β收敛和条件β收敛;中部β收敛速度最快、西部地区β收敛速度最慢。空间效应对中部、西部、东北β收敛产生了抑制作用,对东部β收敛产生了促进作用;中心—外围城市经济发展差异随两者距离增加而呈现梯度递增,收敛速度呈现梯度递减;当中心城市辐射距离超过200千米时,中心—外围经济发展差异高于全国均值。在中心城市不同辐射范围下,都存在显著的σ收敛和条件β收敛。研究创新:以中心—外围为视角,将空间效应、中心城市不同辐射距离纳入收敛分析。研究价值:对于缩小区域差异、实现区域协调发展具有重要的意义。

Research Objectives:To reveal the differences and convergence of economic development between central and peripheral cities in China.Research Methods:Based on the panel data of 266 prefecture level cities in 23 provinces of China from 2005 to 2017,this paper constructs a single center and double center central periphery city economic development difference measurement model to measure the difference,and usesσandβconvergence model,OLS panel regression model and spatial econometric model to test the convergence.Research Findings:The economic development difference between the central and peripheral cities is gradually narrowing,and there areσconvergence,absoluteβconvergence and conditionalβconvergence;theβconvergence rate of central region is the fastest and that of western region is the slowest.The results show that the spatial effect restrains theβ-convergence in the central,Western and northeast regions,and promotes theβ-convergence in the eastern region;the economic development difference between the central and peripheral cities increases gradually with the increase of the distance between them,and the convergence speed shows a gradient decreasing trend;when the radiation distance of the central city exceeds 200 km,the difference between the central and peripheral economic development is higher than the national average.There are significantσconvergence and conditionalβconvergence in different radiation ranges of central cities.Research Innovations:From the perspective of center periphery,the spatial effect and different radiation distances of central cities are included in the convergence analysis.Research Value:It is of great significance to reduce regional differences and realize regional coordinated development.