地理科学进展 ›› 2023, Vol. 42 ›› Issue (2): 209-220.doi: 10.18306/dlkxjz.2023.02.001
• 研究论文 • 下一篇
收稿日期:
2022-06-30
修回日期:
2022-10-13
出版日期:
2023-02-28
发布日期:
2023-02-24
通讯作者:
* 王姣娥(1981— ),女,湖南涟源人,研究员,博士生导师,研究方向为交通地理与区域发展研究等。E-mail: wangje@igsnrr.ac.cn作者简介:
张佩(1992— ),男,河南灵宝人,博士,博士后,研究方向为新基建与区域发展。E-mail: zhangpei@igsnrr.ac.cn
基金资助:
ZHANG Pei1(), WANG Jiao'e1,2,*(
), XIAO Fan1,2
Received:
2022-06-30
Revised:
2022-10-13
Online:
2023-02-28
Published:
2023-02-24
Supported by:
摘要:
新基建已成为中国现阶段经济转型与高质量发展的重要支撑。为考察中国新基建发展时空演变及其驱动因素,论文基于2013—2020年的省级面板数据,构建新基建发展水平的综合评价指标,进而运用TOPSIS-熵值法和空间计量模型对其进行测度及影响因素分析。结果发现:① 中国新基建发展水平逐年提高,各省域之间的差距呈现出不断缩小的趋势;② 中国新基建发展水平存在着较大的空间异质性,东部地区远高于中部、西部和东北地区,整体时空演化格局呈现出东西扩张态势,重心不断向西南方向移动;③ 新基建发展水平受到多种因素的影响,其中,经济发展水平、金融发展水平、创新基础、城市化进程和人口规模等是关键性驱动因素。论文通过考察中国新基建在时空上的格局演化及其影响因素,希冀为其优化布局与发展提供决策参考。
张佩, 王姣娥, 肖凡. 中国新基建发展的时空演变及驱动因素[J]. 地理科学进展, 2023, 42(2): 209-220.
ZHANG Pei, WANG Jiao'e, XIAO Fan. Spatial evolution and determinants of new infrastructure development in China[J]. PROGRESS IN GEOGRAPHY, 2023, 42(2): 209-220.
表1
新基建发展水平综合评价指标体系
一级指标 | 二级指标 | 三级指标 | 四级指标 |
---|---|---|---|
信息基础设施(N1) | 通信网络基础设施(N11) | 5G(N111) 物联网(N112) 工业互联网(N113) 卫星互联网(N114) | 移动电话基站数量(N1111) 物联网相关企业数量(N1121) 工业互联网相关企业数量(N1131) 卫星互联网相关企业数量(N1141) |
新技术基础设施(N12) | 人工智能(N121) 云计算(N122) 区块链(N123) | 人工智能相关企业数量(N1211) 云计算相关企业数量(N1221) 区块链相关企业数量(N1231) | |
算力基础设施(N13) | 数据中心(N131) 智能计算中心(N132) | 数据中心相关企业数量(N1311) 国家超级计算中心数量(N1321) | |
融合基础设施(N2) | 智慧交通基础设施(N21) | 城际高速铁路与城际轨道交通(N211) 智慧交通(N212) | 轨道交通里程(N2111) 智慧交通相关企业数量(N2121) |
智慧能源基础设施(N22) | 特高压(N221) 充电桩(N222) 能源生产和利用设施智能化(N223) | 特高压相关企业数量(N2211) 充电桩相关企业数量(N2221) 智慧能源相关企业数量(N2231) | |
防疫基建(N23) | 医疗IT(N231) 智慧城市(N232) | 智慧医疗相关企业数量(N2311) 智慧生活相关企业数量(N2321) | |
创新基础设施(N3) | 重大科技基础设施(N31) | 重大科技基础设施(N311) | 重大科技基础设施数量(N3111) |
科教基础设施(N32) | 学科研究平台(N321) | 国家重点实验室数量(N3211) | |
产业技术创新基础设施(N33) | 产业技术创新基础设施(N331) | 高新技术特色产业基地数量(N3311) |
表4
固定效应SDM模型估计结果
变量 | 时间固定效应(M1) | 个体固定效应(M2) | 混合固定效应(M3) |
---|---|---|---|
PGDP | 0.036*** (<0.01) | 0.102*** (<0.01) | 0.071*** (<0.01) |
AIS1 | 0.017*** (<0.01) | 0.020* (0.07) | 0.027*** (0.01) |
AIS2 | 0.145*** (<0.01) | 0.044 (0.18) | 0.006 (0.83) |
FD | 0.035*** (<0.01) | -0.002 (0.83) | -0.016** (0.02) |
INNO | 0.004*** (<0.01) | 0.006*** (<0.01) | 0.006*** (<0.01) |
UP | 0.194*** (<0.01) | -0.540*** (<0.01) | -0.671*** (<0.01) |
POP | 0.077*** (<0.01) | 0.952*** (<0.01) | 0.964*** (<0.01) |
W*PGDP | 0.048** (0.04) | 0.022 (0.49) | 0.003 (0.93) |
W*AIS1 | -0.005 (0.59) | -0.036** (0.05) | 0.010 (0.60) |
W*AIS2 | 0.043 (0.33) | 0.140* (0.05) | 0.031 (0.64) |
W*FD | 0.026** (0.04) | -0.002 (0.90) | -0.056*** (<0.01) |
W*INNO | 0.003*** (<0.01) | 0.003** (0.03) | 0.004*** (<0.01) |
W*UP | -0.165*** (<0.01) | 0.988*** (<0.01) | 0.366*** (0.01) |
W*POP | -0.066*** (<0.01) | -0.031 (0.91) | 0.350 (0.16) |
ρ | -0.323*** (<0.01) | -0.012 (0.89) | -0.431*** (<0.01) |
sigma2_e | 0.001*** (<0.01) | <0.001*** (<0.01) | <0.001*** (<0.01) |
样本数 | 248 | 248 | 248 |
R2 | 0.815 | 0.237 | 0.192 |
地区数 | 31 | 31 | 31 |
表5
解释变量对新基建发展水平的直接效应和间接效应
变量 | 直接效应 | 间接效应 | 总效应 |
---|---|---|---|
PGDP | 0.035** | 0.028 | 0.063*** |
(0.01) | (0.13) | (<0.01) | |
AIS1 | 0.017*** | -0.008 | 0.009 |
(<0.01) | (0.33) | (0.22) | |
AIS2 | 0.149*** | -0.002 | 0.147*** |
(<0.01) | (0.96) | (<0.01) | |
FD | 0.034*** | 0.011 | 0.045*** |
(<0.01) | (0.26) | (<0.01) | |
INNO | 0.004*** | 0.002*** | 0.006*** |
(<0.01) | (<0.01) | (<0.01) | |
UP | 0.213*** | -0.184*** | 0.028 |
(<0.01) | (<0.01) | (0.36) | |
POP | 0.084*** | -0.074*** | 0.010 |
(<0.01) | (<0.01) | (0.57) |
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