Article(id=1153992986766598288, tenantId=1146029695717560320, journalId=1146123222451335185, issueId=1153992986405888144, articleNumber=1671-1807(2025)07-0001-08, orderNo=null, doi=null, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=research-article, receivedDate=1729180800000, receivedDateStr=2024-10-18, revisedDate=null, revisedDateStr=null, acceptedDate=null, acceptedDateStr=null, onlineDate=1753062968198, onlineDateStr=2025-07-21, pubDate=1744214400000, pubDateStr=2025-04-10, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1753062968198, onlineIssueDateStr=2025-07-21, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1753062968198, creator=13701087609, updateTime=1753062968198, updator=13701087609, issue=Issue{id=1153992986405888144, tenantId=1146029695717560320, journalId=1146123222451335185, year='2025', volume='25', issue='7', pageStart='1', pageEnd='372', issueExtLink='null', onlineDate='null', pubDate='null', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=0, createTime=1753062968112, creator=13701087609, updateTime=1753063464821, updator=13701087609, preIssue=null, nextIssue=null, ext={EN=IssueExt(id=1153995069800567734, tenantId=1146029695717560320, journalId=1146123222451335185, issueId=1153992986405888144, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1153995069800567735, tenantId=1146029695717560320, journalId=1146123222451335185, issueId=1153992986405888144, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null}, startPage=1, endPage=8, ext={EN=ArticleExt(id=1153992987227971730, articleId=1153992986766598288, tenantId=1146029695717560320, journalId=1146123222451335185, language=EN, title=Study on Investment Network Evolution of Chengdu-Chongqing Economic Circle and Externalities, columnId=1151876674645226399, journalTitle=Science Technology and Industry, columnName=Technology Innovation, runingTitle=null, highlight=null, articleAbstract=
The study of investment networks is crucial to the promotion of regional integration. Based on the data of enterprises’ outward investment from 2005 to 2022, the nodes, patterns and structural evolution characteristics of the investment network as a whole and in different industries were analyzed using social network analysis. The investment linkage matrix was also constructed and the SLM(spatial lag model) was used to explore the externalities of the investment network. The results show that the power polarization of investment network nodes is obvious, with Chengdu and Chongqing occupying an absolutely dominant position. The investment network power of manufacturing and financial industries shows ring and fragmented distribution, respectively. The investment network pattern evolves towards multi-core equilibrium, and the manufacturing network pattern is more mature. The investment network has an obvious core-edge structure, but the difference in core degree gradually decreases. The investment network has significant positive externalities on economic growth, showing a trend of decreasing and then increasing. The manufacturing investment network has a stronger role in promoting economic growth. Consumer markets and government policies are important factors driving economic growth in local and linked cities.
, correspAuthors=Jicai DAI, authorNote=null, correspAuthorsNote=null, copyrightStatement=null, copyrightOwner=null, extLink=null, articleAbsUrl=null, sourceXml=null, magXml=null, pdfUrl=null, pdf=null, pdfFileSize=null, pdfExtLink=null, richHtmlUrl=null, mobilePdfUrl=null, reviewReport=null, pdfFirstPage=null, abstractGraph=null, abstractGraphContent=null, abstractVideo=null, citation=null, cebUrl=null, magXmlContent=null, mapNumber=null, authorCompany=null, fund=null, authors=null, authorsList=Xuanshuang WEN, Jicai DAI), CN=ArticleExt(id=1153993009751384607, articleId=1153992986766598288, tenantId=1146029695717560320, journalId=1146123222451335185, language=CN, title=成渝地区双城经济圈投资网络演变及外部性研究, columnId=1151876674787832737, journalTitle=科技和产业, columnName=科技创新, runingTitle=null, highlight=null, articleAbstract=投资网络研究对于促进经济圈一体化发展至关重要。基于2005—2022年企业对外投资数据,采用社会网络分析法,对整体和不同行业投资网络的节点、格局及结构演变特征进行分析。并构建投资联系矩阵,采用SLM(空间滞后模型),探究投资网络的外部性。结果表明:投资网络节点权力极化明显,成都、重庆占据绝对优势地位;制造业和金融业投资网络权力分别呈现环状和零散分布;投资网络格局向多核均衡演变,制造业网络格局发育较成熟;投资网络呈现明显的核心-边缘结构,但城市核心度差异逐渐减小;投资网络对经济增长存在显著的正向外部性,呈现先减后增的趋势;制造业投资网络对经济增长的促进作用较强;消费市场和政府政策是推动当地和联系城市经济增长的重要因素。, correspAuthors=戴技才, authorNote=null, correspAuthorsNote=
戴技才(1974—),男,湖南益阳人,博士,副教授,研究方向为地理信息系统模型、复杂系统。
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文玄霜(1999—),女,重庆人,硕士研究生,研究方向为城市网络。
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1 School of Geography and Tourism, Chongqing Normal University, Chongqing 401331, China
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文玄霜(1999—),女,重庆人,硕士研究生,研究方向为城市网络。
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1 School of Geography and Tourism, Chongqing Normal University, Chongqing 401331, China
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3 Chongqing Key laboratory of Earth Surface Process and Environment Remote Sensing in the Three Gorges Reservoir Area, Chongqing 401331, China, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null), CN=AuthorExt(id=1199769394550244297, tenantId=1146029695717560320, journalId=1146123222451335185, articleId=1153992986766598288, authorId=1199769393082237880, language=CN, stringName=戴技才, firstName=null, middleName=null, lastName=null, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
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3 三峡库区地表过程与环境遥感重庆市重点实验室, 重庆 401331)])], figs=[ArticleFig(id=1199769397008105525, tenantId=1146029695717560320, journalId=1146123222451335185, articleId=1153992986766598288, language=EN, label=null, caption=null, figureFileSmall=QzSs0za0mF6nyTDiz+faew==, figureFileBig=cIHwRLL/BNB7fWkKm8XJGA==, tableContent=null), ArticleFig(id=1199769397188460612, tenantId=1146029695717560320, journalId=1146123222451335185, articleId=1153992986766598288, language=CN, label=图1, caption=
研究区概况 审图号:GS(2019)1822号
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研究区投资网络节点权力及净流动变化 审图号:GS(2019)1822号
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研究区投资网络格局演变 审图号:GS(2019)1822号
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研究区投资网络核心-边缘结构演变 审图号:GS(2019)1822号
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| 变量 | 整体投资网络 | 制造业投资网络 | 金融业投资网络 |
| 2005—2010年 | 2011—2016年 | 2017—2022年 | 2005—2022年 | 2005—2022年 | 2005—2022年 |
| 直接效应 | lnpop | 0.70***(0.13) | 0.16***(0.03) | 0.21***(0.06) | 0.05(0.03) | 0.10**(0.04) | -0.01(0.04) |
| lncon | 0.04***(0.01) | 0.60***(0.02) | 0.53***(0.02) | 0.11***(0.01) | 0.12***(0.01) | 0.12***(0.01) |
| lnrdi | 0.05***(0.01) | 0.02***(0.01) | 0.03***(0.01) | 0.02***(0.00) | 0.02***(0.00) | 0.02***(0.01) |
| lngov | 0.01***(0.05) | 0.10***(0.02) | 0.23***(0.03) | 0.09***(0.01) | 0.11***(0.01) | 0.14***(0.01) |
| 间接效应 | lnpop | 1.57***(0.40) | 0.01*(0.00) | 0.04**(0.02) | 0.12(0.09) | 0.19**(0.08) | -0.02(0.08) |
| lncon | 0.09***(0.02) | 0.03**(0.01) | 0.09***(0.02) | 0.27***(0.02) | 0.24***(0.02) | 0.20***(0.02) |
| lnrdi | 0.10***(0.02) | 0.01*(0.00) | 0.01***(0.00) | 0.04***(0.01) | 0.05***(0.01) | 0.04***(0.01) |
| lngov | 0.11***(0.03) | 0.00*(0.00) | 0.04***(0.01) | 0.23***(0.02) | 0.22***(0.02) | 0.25***(0.02) |
| 总效应 | lnpop | 2.27***(0.50) | 0.16***(0.03) | 0.25***(0.08) | 0.16(0.13) | 0.28**(0.12) | -0.03(0.12) |
| lncon | 0.14***(0.03) | 0.62***(0.02) | 0.62***(0.02) | 0.38***(0.02) | 0.37***(0.02) | 0.33***(0.02) |
| lnrdi | 0.15***(0.02) | 0.03***(0.01) | 0.03***(0.01) | 0.06***(0.02) | 0.07***(0.01) | 0.06***(0.02) |
| lngov | 0.16***(0.04) | 0.11***(0.02) | 0.27***(0.04) | 0.33***(0.03) | 0.33***(0.02) | 0.39***(0.03) |
| Spatial λ | 0.71***(0.04) | 0.05**(0.02) | 0.15***(0.03) | 0.73***(0.01) | 0.69***(0.01) | 0.68***(0.02) |
| R2 | 0.455 | 0.936 | 0.909 | 0.648 | 0.636 | 0.618 |
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投资网络外部性估计结果
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| 变量 | 整体投资网络 | 制造业投资网络 | 金融业投资网络 |
| 2005—2010年 | 2011—2016年 | 2017—2022年 | 2005—2022年 | 2005—2022年 | 2005—2022年 |
| 直接效应 | lnpop | 0.70***(0.13) | 0.16***(0.03) | 0.21***(0.06) | 0.05(0.03) | 0.10**(0.04) | -0.01(0.04) |
| lncon | 0.04***(0.01) | 0.60***(0.02) | 0.53***(0.02) | 0.11***(0.01) | 0.12***(0.01) | 0.12***(0.01) |
| lnrdi | 0.05***(0.01) | 0.02***(0.01) | 0.03***(0.01) | 0.02***(0.00) | 0.02***(0.00) | 0.02***(0.01) |
| lngov | 0.01***(0.05) | 0.10***(0.02) | 0.23***(0.03) | 0.09***(0.01) | 0.11***(0.01) | 0.14***(0.01) |
| 间接效应 | lnpop | 1.57***(0.40) | 0.01*(0.00) | 0.04**(0.02) | 0.12(0.09) | 0.19**(0.08) | -0.02(0.08) |
| lncon | 0.09***(0.02) | 0.03**(0.01) | 0.09***(0.02) | 0.27***(0.02) | 0.24***(0.02) | 0.20***(0.02) |
| lnrdi | 0.10***(0.02) | 0.01*(0.00) | 0.01***(0.00) | 0.04***(0.01) | 0.05***(0.01) | 0.04***(0.01) |
| lngov | 0.11***(0.03) | 0.00*(0.00) | 0.04***(0.01) | 0.23***(0.02) | 0.22***(0.02) | 0.25***(0.02) |
| 总效应 | lnpop | 2.27***(0.50) | 0.16***(0.03) | 0.25***(0.08) | 0.16(0.13) | 0.28**(0.12) | -0.03(0.12) |
| lncon | 0.14***(0.03) | 0.62***(0.02) | 0.62***(0.02) | 0.38***(0.02) | 0.37***(0.02) | 0.33***(0.02) |
| lnrdi | 0.15***(0.02) | 0.03***(0.01) | 0.03***(0.01) | 0.06***(0.02) | 0.07***(0.01) | 0.06***(0.02) |
| lngov | 0.16***(0.04) | 0.11***(0.02) | 0.27***(0.04) | 0.33***(0.03) | 0.33***(0.02) | 0.39***(0.03) |
| Spatial λ | 0.71***(0.04) | 0.05**(0.02) | 0.15***(0.03) | 0.73***(0.01) | 0.69***(0.01) | 0.68***(0.02) |
| R2 | 0.455 | 0.936 | 0.909 | 0.648 | 0.636 | 0.618 |
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