| Guo Pengfei,Hu Xinyun,Li Jing.Research on Regional Differences and Spatial Convergence of Return on Capital of Network Infrastructure in China[J].The Journal of quantitative and technical economics,2022,(1):73-93 |
| 中国网络基础设施资本回报率的区域差异与空间收敛性研究 |
| Research on Regional Differences and Spatial Convergence of Return on Capital of Network Infrastructure in China |
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| DOI： |
| 中文关键词: 网络基础设施资本回报率 区域差异 基尼系数 空间收敛性 |
| 英文关键词: Return on Capital of Network Infrastructure Regional Difference Gini Coefficient Spatial Convergence |
| 基金项目:本文受到国家社会科学基金青年项目“新型基础设施的投入效率测度及优化路径研究”（21CJL013），全国统计科学研究重点项目“中国新型基础设施资本存量的综合测算及应用研究”（2021LZ08），重庆工商大学校内项目（2151011、950321011），农业现代化与产业创新发展研究团队（CJSYTD201710）的资助。 |
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| 中文摘要: |
| 研究目标：揭示我国网络基础设施资本回报率的区域差异及其空间收敛性。研究方法：采用生产函数法测算出1993~2019年全国、分区域和分省份的网络基础设施资本回报率，并运用Dagum基尼系数及其分解方法，揭示网络基础设施资本回报率的区域差异，进一步借助收敛模型、普通面板模型、空间面板模型，检验其收敛性。研究发现：中国网络基础设施资本回报率在样本期间呈波动下降趋势，且平均值由东向西呈梯次降低态势。除中部地区内部差异呈波动下降趋势外，全国整体以及东部、西部地区均呈上升态势；三大区域间差异也均呈波动上升趋势。区域间差异是产生如此差异的最主要来源，区域内差异次之，超变密度最小。就收敛特征而言，仅东部地区存在显著σ收敛；全国和三大区域均存在绝对β收敛和条件β收敛，且在后者时收敛速度都相对更大；然而，进入工业化后期后，全国整体的β收敛趋势已不存在。研究创新：较早聚焦网络基础设施资本回报率，刻画并测度其空间分布和区域差异，检验其σ收敛、β收敛，探究促进收敛的影响因素。研究价值：对于缩小网络基础设施资本回报率的区域差异、促进区域间网络基础设施的协调发展具有重要意义。 |
| 英文摘要: |
| Research Objectives:This paper reveals the regional differences and spatial convergence of the return on capital of network infrastructure in China. Research Methods：Using the production function method, this paper calculates the return on capital of national, regional and provincial network infrastructure from 1993 to 2019. On this basis, this paper uses Dagum Gini coefficient and its decomposition method to reveal the regional differences in the return on capital of network infrastructure, and further tests its convergence by using the convergence model, ordinary panel model and spatial panel model. Research Findings：The return on capital of network infrastructure fluctuated and decreased during the sample period in China, and its average value decreased from east to west. Except the fluctuating downward trend in the central region, the intra-regional differences of the whole country, the eastern region and the western region showed an upward trend, while the inter-regional differences in the three regions showed a fluctuating upward trend. The inter-regional differences are the main source of the such regional differences, followed by intra-regional differences and supervariable density . In terms of convergence characteristics, only the eastern region has significant σ convergence, the whole country as well as the three major regions have not only absolute β convergence but also conditional β convergence. Meanwhile, the convergence rate is relatively higher in conditional β convergence. However, after entering the late industrialization stage, the overall convergence trend of the whole country no longer exists. Research Innovations：This paper earlier focused on the return on capital of network infrastructure, measured its spatial distribution and regional differences, tests its σ convergence and β convergence, and further explores the influencing factors of promoting its convergence. Research Value：This paper is of great significance to reduce the regional differences of the return on capital of network infrastructure and promote the coordinated development of network infrastructure. |
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