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经济关联网络对民族地区县域经济增长的影响效应

The Effect of an Economic Linkage Network as for County Economic Growth in Ethnic Minority Areas

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【作者】 叶连广何雄浪邓菊秋

【Author】 Ye Lianguang;He Xionglang;Deng Juqiu;School of Economics,Sichuan University;School of Economics,Southwest Minzu University;

【通讯作者】 何雄浪;

【机构】 四川大学经济学院西南民族大学经济学院

【摘要】 县域经济发展是巩固民族地区脱贫攻坚成果、推动乡村振兴、提高民族地区经济发展韧性和加快民族地区中国式现代化建设步伐的重要动力。贵州省是我国民族地区发展的“样板”,本文以贵州省88个县级行政单位为研究样本,采用社会网络分析法和空间计量模型,探究经济关联网络对民族地区县域经济增长的影响效应。研究发现,贵州省县域经济关联网络渐趋成熟,具有明显的核心—边缘结构特征;经济关联网络对民族地区县域经济具有明显的增长效应和空间溢出效应,网络中心性的提升显著地促进了本地经济增长,点出度中心性的提升对邻近地区经济增长产生正向溢出效应,点入度中心性的提升对邻近地区经济增长产生抑制作用;经济关联网络对民族地区县域经济增长具有明显的异质性,在城市群和网络核心区域内网络外部效应更加明显;网络外部经济能够促进民族地区县域经济协调,网络聚集阴影的出现不利于民族地区县域经济的协调发展。为推进民族地区县域经济高质量发展,民族地区应从补齐基础设施发展短板、发展各具特色的县域经济和深化县域合作等方面入手。

【Abstract】 This paper tries to explore the relationship between economic linkage networks and economic growth in Guizhou Province at the county level. Specifically,it focuses on the following questions: How are the economic linkage networks in Guizhou Province developing,and in what direction? What is the impact of county-level economic linkage networks on both the economic growth and coordinated regional development of Guizhou Province? How to bring into play a positive role of economic linkage networks in the areas of county-level economic growth and coordinated regional development in Guizhou Province?This paper first constructs an economic linkage network using the spatial gravity model,and then analyzes the development level and trend of a specific county economic linkage network in Guizhou Province in terms of network density,network relatedness,and network centrality. It is found that this county economic linkage network in Guizhou province has adopted a polycentric and radial network spatial pattern,and that the stability,accessibility,and relevance of this county economic linkage networks has gradually increased during the sample period. At the same time,this particular county economic linkage networks in Guizhou province also has obvious core-edge structural characteristics: Its core nodes are mainly issuing relationships and function as the main spillover of the county economic linkage network,while its edgetype nodes are mainly receiving relationships and operate as the main beneficiaries of the county economic linkage network.A county economy is limited by both regional market scale and resource endowment conditions,so it is difficult to form and develop there a diversified economy. Therefore,county economies tend to be more dependent on external economic networks,and ignoring the impact of network externalities on county economic growth will make it difficult to fully display the dynamics and sources of county economic growth. Based on this,this paper empirically investigated the impact of economic linkage networks on county economic growth and regional coordination using the spatial Durbin model in Guizhou province as an case study. This research project found the following: 1) Economic association networks have significant growth effects and spatial spillover effects on county economies in ethnic regions; 2) an increase of network centrality significantly promotes local economic growth,an increase of point-out degree centrality has positive spillover effects on the economic growth of neighboring regions,and an increase of point-in degree centrality halts the economic growth of neighboring regions; 3) economic association networks display noticeable heterogeneity,and the network external effect is more obvious in urban clusters and core regions; 4) the network external economy can promote the coordination of county economies in ethnic regions,while the emergence of network aggregation shadow is not conducive to coordinated development of county economies in ethnic regions.Ethnic regions often have rich natural resource endowments and natural comparative advantages in developing special economies and unique industries. Enhancing exchanges and cooperation among ethnic regions and stimulating the vitality and momentum of endogenous economic growth in ethnic areas appear to be prerequisites for achieving sustainable development there. In order to promote high-quality economic development of counties in ethnic territories,this paper puts forward policy suggestions to make up for the shortcomings of infrastructure development in those regions,develop counties with distinctive economies,and deepen counties’ cooperation.

【基金】 国家社科基金项目“环境约束下长江经济带城市群产业联动高质量发展研究”(21BJL045);西南民族大学“维舟学术创新团队”项目“高质量发展视角下我国生产发展、生活富裕、生态良好的耦合发展研究”(2022WZXSTDW004)阶段性成果
  • 【文献出处】 民族学刊 ,Journal of Ethnology , 编辑部邮箱 ,2023年02期
  • 【分类号】F127
  • 【下载频次】70
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