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中国城市数字技术创新水平的时空演变特征及趋势预测

Spatio-temporal evolution characteristics and trend prediction of urban digital technology innovation levels in China

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数字技术是数字中国建设的技术支撑,深入探究城市数字技术创新水平的时空演变特征和发展趋势,有助于优化数字中国空间布局.采用Moran's Ⅰ指数、标准差椭圆、Dagum基尼系数等方法刻画中国城市数字技术创新水平的时空演变特征,并借助Markov链模型对其发展趋势进行预测.结果发现:①2006-2021年全国及各地区城市数字技术创新水平均呈上升趋势,整体表现出"东强西弱,南强北弱"的发展特点,北京、深圳和上海是中国数字技术创新发展的"引领者".②中国城市数字技术创新水平存在空间正向溢出效应和低水平同质化集聚倾向,分布重心总体向西南方向迁移,分布形态呈"北偏东—南偏西"走向的空间格局,在东中部地区具有"集聚—扩散—集聚"的分布特征.此外,中国城市数字技术创新水平空间差异总体呈缩小趋势,地区间差异与地区内差异分别是东西方向与南北方向总体差异的主要来源.③短期内中国城市数字技术创新能够实现向上转移,但很难实现跨越式发展.然而,在整个研究时期,70.498%的城市能够实现正向跳跃式转移.经济发展、信息通信技术、财政科技投入、金融深化、城市规模和人力资本影响城市数字技术创新水平的动态转移,且随着城市数字技术创新水平的提高,各影响因素的促进作用逐渐增大.研究结论为制定城市数字技术创新协同发展政策、建设数字中国提供理论支撑和科学参考.
Digital technology is the technological support for the construction of digital China.An in-depth investigation into the spatio-temporal evolution characteristics and development trends of the digital technology innovation level in cities can help optimize the spatial layout of digital China.This study uses Moran's I index,standard deviation ellipse,and Dagum Gini coefficient to portray the spatio-temporal evolution characteristics of the digital technology innovation level in Chinese cities and predict its development trend with the help of the Markov chain model.The results show that:(1)From 2006 to 2021,the digital technology innovation level in cities across the country and various regions exhibited an increasing trend,showing the development characteristics of"strong in the east and weak in the west,and strong in the south and weak in the north",with Beijing,Shenzhen,and Shanghai being the"leaders"in China.(2)There are spatial positive spillover effects and low-level homogenization agglomeration tendency of digital technology innovation level in Chinese cities.The centre of gravity of digital technology innovation level in Chinese cities is moving towards the sorth-west,showing a spatial distribution pattern of"north by east and south by west".In the eastern-central region,the distribution characteristic is"agglomeration-diffusion-agglomeration".In addition,spatial differences in the level of digital technology innovation in Chinese cities are decreasing,with inter-regional and intra-regional differences being the main sources of the overall differences in the east-west and north-south directions.(3)Digital technology innovation in Chinese cities can achieve an upward shift in the short term,however,leapfrogging remains challenging.Throughout the research period,70.498%of the cities were able to achieve positive leapfrog transitions.Factors such as economic development,information and communication technology,financial investment in science and technology,financial deepening,city scale,and human capital influence the dynamic transfer of the level of digital technology innovation in cities.Improving the level of digital technology innovation in cities can gradually strengthen the promotion effect of each influencing factor.The study findings provide theoretical support and scientific reference for formulating the coordinated development policy of urban digital technology innovation and building digital China.

digital technology innovationspatio-temporal evolutiontrend predictionChinese city

李影

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华南师范大学经济与管理学院,广州 510006

数字技术创新 时空演变 趋势预测 中国城市

国家自然科学基金

12171169

2024

地理研究
中国科学院地理科学与资源研究所

地理研究

CSTPCDCSSCICHSSCD北大核心
影响因子:2.214
ISSN:1000-0585
年,卷(期):2024.43(3)
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