基于PDI指数的湖北省县域经济差异的方向及成因

doi:10.11870/cjlyzyyhj201611004

长江流域资源与环境 >> 2016, Vol. 25 >> Issue (11): 1663-1671.doi: 10.11870/cjlyzyyhj201611004

基于PDI指数的湖北省县域经济差异的方向及成因

王毅^1,2, 陆玉麒^1,2, 丁正山^1,2, 余茂军³, 车冰清^1,2

1. 南京师范大学地理科学学院, 江苏南京 210023;
2. 江苏省地理信息资源开发与利用协同创新中心, 江苏南京 210023;
3. 安徽省经济研究院, 安徽合肥 230000

收稿日期:2016-03-17 修回日期:2016-05-25 出版日期:2016-11-20
通讯作者: 陆玉麒,E-mail:luyuqi@263.net E-mail:luyuqi@263.net
作者简介:王毅(1989~),男,博士研究生,主要研究方向为空间结构与区域发展.E-mail:wangyearn@163.com
基金资助:
国家自然科学基金重点项目“区域空间结构演化机理与模式体系研究”（41430635）；国家自然科学基金项目“江苏省的典型区域城乡空间形态的演化机理与优化调控研究”（41501122）

THE DIRECTIONS AND INFLUENCING FACTORS OF REGIONAL INEQUALITY AT COUNTRY LEVEL IN HUBEI PROVINCE BASED ON PDI INDEX

WANG Yi^1,2, LU Yu-qi^1,2, DING Zheng-shan^1,2, YU Mao-jun³, CHE Bing-qing^1,2

1. College of Geography Science, Nanjing Normal University, Nanjing 210023, China;
2. Jiangsu Center for Collaborative Innovation in Geographical Information Resource Development and Application, Nanjing 210023, China;
3. AnHui Institute for Economic, Hefei 230000, China

Received:2016-03-17 Revised:2016-05-25 Online:2016-11-20
Supported by:
Study on the regional spatial structure evolution mechanism and model system (41430635);Study on the evolution mechanism and optimization control of urban and rural space form in typical areas of Jiangsu province (41501122)

摘要/Abstract

摘要： 以人均GDP为测度区域经济差异的变量指标，利用尺度方差、总体差异测度指数、区域特定方向差异指数对2000~2014年期间湖北省区域经济差异表现的最佳尺度、方向性及原因进行分析。研究表明：①县级尺度方差最大，市级次之，区级最小，即尺度越小，尺度方差越大，县级尺度的区域经济差异对湖北省区域经济总体差异的贡献率最大；② 2000~2007年，湖北省区域经济总体空间分异程度不断增大，2007年以后逐渐缩小；③湖北省县级尺度水平经济差异的主要方向是中心与外围之间，中心与外围的差异以2007年为分界点呈先增大后缩小的趋势，沿江轴带与内陆的差异总体上趋于缩小，核心与边缘的差异趋势与中心与外围基本相同；④历史基础、经济区位是湖北省区域经济差异产生和扩大的重要直接驱动力，经济全球化水平是重要的外在推手，区域发展策略的调整有助于缩小区域差异，促进区域协调发展。

关键词: 县域经济差异, PDI指数, 差异方向, 成因, 湖北省

Abstract: The regional difference is a core problem of geographical and regional development research. Choosing the best scale to measure the regional economic differences, and identifying the main directions and reasons of the regional economic differences will be very helpful to narrow the difference in regional economy and promote the harmonious development. Taking gross domestic production per capita as a variable indicator, this paper employs scale variance, global difference indexes, particular direction index to analyze the optimal scale, orientation and the reason of regional inequality in Hubei province from 2000 to 2014. Firstly, with the scale variance and its contribution, we find that the smaller scale it is, the bigger scale variance it will be. And the regional economic inequality at county scale gives the greatest contribution to Hubei whole regional inequality. Secondly, we build a regional economy global difference index (GDI) which is based on weighted geometric means among Coefficient variance, Theil index, and Atkinson Index. The GDI reveals that the overall regional inequality experienced increasing trends in Hubei province from 2000 to 2007,and after 2007, the overall regional inequality started to decrease year by year. Thirdly, using the particular direction index (PDI), we discover that among the three kinds of subgroup methods, the PDI of center-periphery is always biggest, so the main direction of regional inequality in Hubei is the "center-periphery" structure direction. Lastly, we find that historical development basis, economic location, the level of economic globalization and the regional development strategy are the four main factors which result in regional inequality in Hubei province.

Key words: regional inequality, PDI index, direction of inequality, influencing factors, Hubei

中图分类号:

F129

王毅, 陆玉麒, 丁正山, 余茂军, 车冰清. 基于PDI指数的湖北省县域经济差异的方向及成因[J]. 长江流域资源与环境, 2016, 25(11): 1663-1671.

WANG Yi, LU Yu-qi, DING Zheng-shan, YU Mao-jun, CHE Bing-qing. THE DIRECTIONS AND INFLUENCING FACTORS OF REGIONAL INEQUALITY AT COUNTRY LEVEL IN HUBEI PROVINCE BASED ON PDI INDEX[J]. RESOURCES AND ENVIRONMENT IN THE YANGTZE BASIN, 2016, 25(11): 1663-1671.

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