Article(id=1149712412443590678, tenantId=1146029695717560320, journalId=1146120045056339983, issueId=1149712410799419683, articleNumber=1002-980X(2025)02-0085-12, orderNo=null, doi=10.12404/j.issn.1002-980X.J24062003, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1718812800000, receivedDateStr=2024-06-20, revisedDate=null, revisedDateStr=null, acceptedDate=null, acceptedDateStr=null, onlineDate=1752042399750, onlineDateStr=2025-07-09, pubDate=1740412800000, pubDateStr=2025-02-25, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1752042399750, onlineIssueDateStr=2025-07-09, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1752042399750, creator=13701087609, updateTime=1752042399750, updator=13701087609, issue=Issue{id=1149712410799419683, tenantId=1146029695717560320, journalId=1146120045056339983, year='2025', volume='44', issue='2', pageStart='1', pageEnd='164', issueExtLink='null', onlineDate='null', pubDate='null', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1752042399357, creator=13701087609, updateTime=1758523722277, updator=13701087609, preIssue=null, nextIssue=null, ext={EN=IssueExt(id=1176897049510424840, tenantId=1146029695717560320, journalId=1146120045056339983, issueId=1149712410799419683, language=EN, specialIssueTitle=, coverIllustrator=, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1176897049510424841, tenantId=1146029695717560320, journalId=1146120045056339983, issueId=1149712410799419683, language=CN, specialIssueTitle=, coverIllustrator=, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null}, startPage=85, endPage=96, ext={EN=ArticleExt(id=1149712412699443224, articleId=1149712412443590678, tenantId=1146029695717560320, journalId=1146120045056339983, language=EN, title=Can the Construction of Network Infrastructure Promote Inter-regional Capital Flow?, columnId=1176895712160793356, journalTitle=Journal of Technology Economics, columnName=Original article, runingTitle=null, highlight=null, articleAbstract=
In the context of building a new development pattern, promoting inter-regional capital flow and realizing the integration of regional elements through digitalization is an important part of smoothing the domestic circulation and building a unified national market. The trans-regional investment data of China's A-share listed companies from 2010 to 2021 was collected, and a multi-time point DID model was constructed to empirically test the impact and mechanism of network infrastructure construction on the inter-regional capital flow. The results show that the construction of network infrastructure significantly promotes the inter-regional capital flow, and the core conclusions are still stable after considering factors such as endogeneity and other policy interference. The mechanism test shows that the network infrastructure construction promotes the inter-regional capital flow by improving the digital management level of enterprises and alleviating the information asymmetry of enterprises. Heterogeneity analysis shows that the promoting effect is more significant for non-state-owned enterprises, enterprises with high financing constraints, and enterprises with high market segmentation. From the perspective of enterprise capital flow, enterprises invest more across provinces than in different cities in the same province. It provides a useful reference for how to better release the dividends of the digital economy and accelerate the construction of a unified national market.
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在构建新发展格局背景下,以数字化推动资本跨区域流动、实现区域要素整合是畅通国内大循环和建设全国统一大市场的重要内容。本文整理获取2010—2021年中国A股上市公司异地投资数据,构建多时点DID模型实证检验了网络基础设施建设对资本跨区域流动的影响效应及作用机制。研究结果表明,网络基础设施建设显著促进了资本跨区域流动,考虑内生性、其他政策干扰等因素后,核心结论依然稳健;机制检验表明,网络基础设施建设通过提高企业数字化管理水平、缓解企业信息不对称促进资本跨区域流动;异质性分析表明,该促进效应对非国有企业、高融资约束企业、市场分割程度高地区企业更显著;从企业资本流向看,企业跨省投资要多于同省异市投资。本文为如何更好释放数字经济红利,加快建设全国统一大市场提供了有益参考。
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张伟广(1991—),博士,东北财经大学经济学院副教授,硕士研究生导师,研究方向:产业政策与产业发展;
阴丽君(1998—),东北财经大学经济学院硕士研究生,研究方向:产业经济与企业发展。
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张伟广(1991—),博士,东北财经大学经济学院副教授,硕士研究生导师,研究方向:产业政策与产业发展;
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张伟广(1991—),博士,东北财经大学经济学院副教授,硕士研究生导师,研究方向:产业政策与产业发展;
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阴丽君(1998—),东北财经大学经济学院硕士研究生,研究方向:产业经济与企业发展。
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阴丽君(1998—),东北财经大学经济学院硕士研究生,研究方向:产业经济与企业发展。
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59(1): 17-35., articleTitle=Judging borrowers by the company they keep: Friendship networks and information asymmetry in online peer-to-peerlending, refAbstract=null)], funds=[Fund(id=1176895771153674296, tenantId=1146029695717560320, journalId=1146120045056339983, articleId=1149712412443590678, awardId=2025lslybwzzkt-065, language=CN, fundingSource=辽宁省经济社会发展研究课题“东北地区资本跨区域流动的量化特征与影响因素研究”(2025lslybwzzkt-065), fundOrder=null, country=null), Fund(id=1176895771216588857, tenantId=1146029695717560320, journalId=1146120045056339983, articleId=1149712412443590678, awardId=JYTMS20230668, language=CN, fundingSource=辽宁省教育厅高校基本科研项目面上项目“辽宁产业链现代化水平测度、特征分析与提升路径研究”(JYTMS20230668), fundOrder=null, country=null), Fund(id=1176895771275309114, tenantId=1146029695717560320, journalId=1146120045056339983, articleId=1149712412443590678, awardId=2022M723485, language=CN, fundingSource=中国博士后科学基金面上资助项目“产业政策对企业高质量发展的影响研究:基于僵尸化防治视角”(2022M723485), fundOrder=null, country=null)], companyList=[AuthorCompany(id=1176895767886312443, tenantId=1146029695717560320, journalId=1146120045056339983, articleId=1149712412443590678, xref=null, ext=[AuthorCompanyExt(id=1176895767890506748, tenantId=1146029695717560320, journalId=1146120045056339983, articleId=1149712412443590678, companyId=1176895767886312443, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=School of Economics, Dongbei University of Finance and Economics, Dalian 116025, China), AuthorCompanyExt(id=1176895767898895357, tenantId=1146029695717560320, journalId=1146120045056339983, articleId=1149712412443590678, companyId=1176895767886312443, language=CN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=东北财经大学经济学院, 大连 116025)])], figs=[ArticleFig(id=1176895769324957728, tenantId=1146029695717560320, journalId=1146120045056339983, articleId=1149712412443590678, language=EN, label=null, caption=null, figureFileSmall=lhOghbAO2R4B14yg6ZljcQ==, figureFileBig=zGj4qznB4HsnxPh0Rg8ZJw==, tableContent=null), ArticleFig(id=1176895769425621026, tenantId=1146029695717560320, journalId=1146120045056339983, articleId=1149712412443590678, language=CN, label=图1, caption=
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| 变量 | 控制变量 | 度量方式 |
| 城市层面 | 经济发展水平(PGDP) | 人均地区生产总值 |
| 人口密度(PD) | 地区常住人口与城市面积之比 |
| 交通基础设施(TR) | 城市是否开通高铁,是取1,否取0 |
| 工资水平(MW) | 工资总额与职工平均人数之比 |
| 产业结构(IS) | 第二、第三产业之和与地区生产总值之比 |
| 金融发展程度(DF) | 年末金融机构存贷款余额与地区生产总值之比 |
| 企业层面 | 企业规模(scale) | 企业年末的固定资产对数 |
| 企业年龄(age) | 当前年份减企业成立时间加1取对数 |
| 企业利润率(profit) | 企业总资产净利润率 |
| 企业负债率(debt) | 负债合计与总资产的比值 |
| 市场价值(mvalue) | 托宾Q值 |
| 资产结构(capis) | 企业固定资产净额与存货净额之和在总资产中的占比 |
| 是否被四大审计(big4) | 上市公司是否被四大会计事务所审计,是取1,否取0 |
| 股权集中度(oc) | 前五大股东持股比例的赫芬达尔指数 |
), ArticleFig(id=1176895769735999527, tenantId=1146029695717560320, journalId=1146120045056339983, articleId=1149712412443590678, language=CN, label=表1, caption=
变量定义
, figureFileSmall=null, figureFileBig=null, tableContent=
| 变量 | 控制变量 | 度量方式 |
| 城市层面 | 经济发展水平(PGDP) | 人均地区生产总值 |
| 人口密度(PD) | 地区常住人口与城市面积之比 |
| 交通基础设施(TR) | 城市是否开通高铁,是取1,否取0 |
| 工资水平(MW) | 工资总额与职工平均人数之比 |
| 产业结构(IS) | 第二、第三产业之和与地区生产总值之比 |
| 金融发展程度(DF) | 年末金融机构存贷款余额与地区生产总值之比 |
| 企业层面 | 企业规模(scale) | 企业年末的固定资产对数 |
| 企业年龄(age) | 当前年份减企业成立时间加1取对数 |
| 企业利润率(profit) | 企业总资产净利润率 |
| 企业负债率(debt) | 负债合计与总资产的比值 |
| 市场价值(mvalue) | 托宾Q值 |
| 资产结构(capis) | 企业固定资产净额与存货净额之和在总资产中的占比 |
| 是否被四大审计(big4) | 上市公司是否被四大会计事务所审计,是取1,否取0 |
| 股权集中度(oc) | 前五大股东持股比例的赫芬达尔指数 |
), ArticleFig(id=1176895769815691304, tenantId=1146029695717560320, journalId=1146120045056339983, articleId=1149712412443590678, language=EN, label=null, caption=null, figureFileSmall=null, figureFileBig=null, tableContent=
| 变量名称 | 观测值 | 均值 | 标准差 | 最小值 | 最大值 |
| lndiffinvest | 28977 | 1.8457 | 1.1259 | 0.0000 | 4.8598 |
| treat_post | 28977 | 0.5280 | 0.4992 | 0.0000 | 1.0000 |
| PGDP | 28977 | 11.4046 | 0.5070 | 9.9769 | 12.2234 |
| PD | 28977 | 6.5886 | 0.7201 | 4.2139 | 7.8089 |
| TR | 28977 | 0.8828 | 0.3217 | 0.0000 | 1.0000 |
| DF | 28977 | 3.9203 | 1.6311 | 1.2536 | 7.5059 |
| IS | 28977 | 0.9577 | 0.0453 | 0.7909 | 0.9996 |
| age | 28977 | 10.7746 | 7.4257 | 1.0000 | 27.0000 |
| scale | 28977 | 20.1966 | 1.7341 | 15.5630 | 24.8637 |
| profit | 28977 | 0.0393 | 0.0590 | -0.2386 | 0.1952 |
| debt | 28977 | -1.0041 | 0.6184 | -2.9552 | -0.0805 |
| big4 | 28977 | 0.0681 | 0.2520 | 0.0000 | 1.0000 |
| capis | 28977 | -1.2752 | 0.8553 | -5.2920 | -0.2318 |
| oc | 28977 | 0.5053 | 0.1967 | 0.2112 | 0.9460 |
| mvalue | 28977 | 1.0377 | 0.3245 | 0.6190 | 2.2297 |
), ArticleFig(id=1176895769920548905, tenantId=1146029695717560320, journalId=1146120045056339983, articleId=1149712412443590678, language=CN, label=表2, caption=
主要变量描述性统计
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| 变量名称 | 观测值 | 均值 | 标准差 | 最小值 | 最大值 |
| lndiffinvest | 28977 | 1.8457 | 1.1259 | 0.0000 | 4.8598 |
| treat_post | 28977 | 0.5280 | 0.4992 | 0.0000 | 1.0000 |
| PGDP | 28977 | 11.4046 | 0.5070 | 9.9769 | 12.2234 |
| PD | 28977 | 6.5886 | 0.7201 | 4.2139 | 7.8089 |
| TR | 28977 | 0.8828 | 0.3217 | 0.0000 | 1.0000 |
| DF | 28977 | 3.9203 | 1.6311 | 1.2536 | 7.5059 |
| IS | 28977 | 0.9577 | 0.0453 | 0.7909 | 0.9996 |
| age | 28977 | 10.7746 | 7.4257 | 1.0000 | 27.0000 |
| scale | 28977 | 20.1966 | 1.7341 | 15.5630 | 24.8637 |
| profit | 28977 | 0.0393 | 0.0590 | -0.2386 | 0.1952 |
| debt | 28977 | -1.0041 | 0.6184 | -2.9552 | -0.0805 |
| big4 | 28977 | 0.0681 | 0.2520 | 0.0000 | 1.0000 |
| capis | 28977 | -1.2752 | 0.8553 | -5.2920 | -0.2318 |
| oc | 28977 | 0.5053 | 0.1967 | 0.2112 | 0.9460 |
| mvalue | 28977 | 1.0377 | 0.3245 | 0.6190 | 2.2297 |
), ArticleFig(id=1176895770025406506, tenantId=1146029695717560320, journalId=1146120045056339983, articleId=1149712412443590678, language=EN, label=null, caption=null, figureFileSmall=null, figureFileBig=null, tableContent=
| 变量 | (1) | (2) |
| lndiffinvest | lndiffinvest |
| treat_post | 0.0613**(0.0293) | 0.0580**(0.0245) |
| PGDP | | -0.1167**(0.0494) |
| PD | | -0.0199(0.0612) |
| TR | | 0.0137(0.0308) |
| DF | | -0.0250(0.0157) |
| IS | | 0.9267*(0.5335) |
| age | | -0.0169(0.0220) |
| scale | | 0.2930***(0.0215) |
| profit | | -0.0218(0.0961) |
| debt | | 0.2437***(0.0184) |
| big4 | | 0.0416(0.0694) |
| capis | | -0.2867***(0.0387) |
| oc | | -0.2546***(0.0740) |
| mvalue | | -0.0297(0.0280) |
| _cons | 1.8133***(0.0156) | -3.2233***(0.7978) |
| 企业固定效应 | 是 | 是 |
| 年份固定效应 | 是 | 是 |
| 观测值 | 28977 | 28977 |
| 调整R2 | 0.8073 | 0.8345 |
), ArticleFig(id=1176895770109292587, tenantId=1146029695717560320, journalId=1146120045056339983, articleId=1149712412443590678, language=CN, label=表3, caption=
基准回归结果
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| 变量 | (1) | (2) |
| lndiffinvest | lndiffinvest |
| treat_post | 0.0613**(0.0293) | 0.0580**(0.0245) |
| PGDP | | -0.1167**(0.0494) |
| PD | | -0.0199(0.0612) |
| TR | | 0.0137(0.0308) |
| DF | | -0.0250(0.0157) |
| IS | | 0.9267*(0.5335) |
| age | | -0.0169(0.0220) |
| scale | | 0.2930***(0.0215) |
| profit | | -0.0218(0.0961) |
| debt | | 0.2437***(0.0184) |
| big4 | | 0.0416(0.0694) |
| capis | | -0.2867***(0.0387) |
| oc | | -0.2546***(0.0740) |
| mvalue | | -0.0297(0.0280) |
| _cons | 1.8133***(0.0156) | -3.2233***(0.7978) |
| 企业固定效应 | 是 | 是 |
| 年份固定效应 | 是 | 是 |
| 观测值 | 28977 | 28977 |
| 调整R2 | 0.8073 | 0.8345 |
), ArticleFig(id=1176895770188984364, tenantId=1146029695717560320, journalId=1146120045056339983, articleId=1149712412443590678, language=EN, label=null, caption=null, figureFileSmall=null, figureFileBig=null, tableContent=
| 变量 | (1) | (2) |
| treat_post | lndiffinvest |
| Iv_post | 0.0816*** (0.0097) | |
| treat_post | | 0.0638* (0.0328) |
| 控制变量 | 是 | 是 |
| 企业固定效应 | 是 | 是 |
| 年份固定效应 | 是 | 是 |
| 观测值 | 28977 | 28977 |
| 调整R2 | 0.9158 | 0.1414 |
| Kleibergen-Paaprk LM | 1235.659(P=0.0000) |
| Kleibergen-Paaprk Wald F | 6101.87(P=0.0000) |
), ArticleFig(id=1176895770281259053, tenantId=1146029695717560320, journalId=1146120045056339983, articleId=1149712412443590678, language=CN, label=表4, caption=
工具变量回归结果
, figureFileSmall=null, figureFileBig=null, tableContent=
| 变量 | (1) | (2) |
| treat_post | lndiffinvest |
| Iv_post | 0.0816*** (0.0097) | |
| treat_post | | 0.0638* (0.0328) |
| 控制变量 | 是 | 是 |
| 企业固定效应 | 是 | 是 |
| 年份固定效应 | 是 | 是 |
| 观测值 | 28977 | 28977 |
| 调整R2 | 0.9158 | 0.1414 |
| Kleibergen-Paaprk LM | 1235.659(P=0.0000) |
| Kleibergen-Paaprk Wald F | 6101.87(P=0.0000) |
), ArticleFig(id=1176895770352562222, tenantId=1146029695717560320, journalId=1146120045056339983, articleId=1149712412443590678, language=EN, label=null, caption=null, figureFileSmall=null, figureFileBig=null, tableContent=
| 变量 | (1) | (2) | (3) |
| 替换被解释变量 | PSM-DID |
| 是否异地投资 | 异地投资总量 | PSM近邻匹配 |
| treat_post | 0.3118*** (0.1166) | 0.1865*** (0.0043) | 0.0611** (0.0246) |
| 控制变量 | 是 | 是 | 是 |
| 企业固定效应 | 否 | 否 | 是 |
| 年份固定效应 | 否 | 否 | 是 |
| 观测值 | 28977 | 28977 | 21974 |
| 调整R2 | | | 0.8361 |
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替换变量测度和倾向得分匹配回归结果
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| 变量 | (1) | (2) | (3) |
| 替换被解释变量 | PSM-DID |
| 是否异地投资 | 异地投资总量 | PSM近邻匹配 |
| treat_post | 0.3118*** (0.1166) | 0.1865*** (0.0043) | 0.0611** (0.0246) |
| 控制变量 | 是 | 是 | 是 |
| 企业固定效应 | 否 | 否 | 是 |
| 年份固定效应 | 否 | 否 | 是 |
| 观测值 | 28977 | 28977 | 21974 |
| 调整R2 | | | 0.8361 |
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| 变量 | (1) | (2) | (3) | (4) |
排除公平竞争 审查制度影响 | 排除大数据 综合试验田影响 | 排除公共数据 开放平台影响 | 排除产业 政策影响 |
| treat_post | 0.0568**(0.0257) | 0.0241**(0.0118) | 0.0239**(0.0118) | 0.0509**(0.0240) |
| cfDID | 0.0226(0.0319) | | | |
| bigdataDID | | -0.0048(0.0111) | | |
| openDID | | | -0.0007(0.0058) | |
| 控制变量 | 是 | 是 | 是 | 是 |
| 企业固定效应 | 是 | 是 | 是 | 是 |
| 年份固定效应 | 是 | 是 | 是 | 是 |
| 行业-年份固定效应 | 否 | 否 | 否 | 是 |
| 观测值 | 27467 | 28977 | 28977 | 28966 |
| 调整R2 | 0.8337 | 0.6004 | 0.6004 | 0.8396 |
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排除其他政策影响
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| 变量 | (1) | (2) | (3) | (4) |
排除公平竞争 审查制度影响 | 排除大数据 综合试验田影响 | 排除公共数据 开放平台影响 | 排除产业 政策影响 |
| treat_post | 0.0568**(0.0257) | 0.0241**(0.0118) | 0.0239**(0.0118) | 0.0509**(0.0240) |
| cfDID | 0.0226(0.0319) | | | |
| bigdataDID | | -0.0048(0.0111) | | |
| openDID | | | -0.0007(0.0058) | |
| 控制变量 | 是 | 是 | 是 | 是 |
| 企业固定效应 | 是 | 是 | 是 | 是 |
| 年份固定效应 | 是 | 是 | 是 | 是 |
| 行业-年份固定效应 | 否 | 否 | 否 | 是 |
| 观测值 | 27467 | 28977 | 28977 | 28966 |
| 调整R2 | 0.8337 | 0.6004 | 0.6004 | 0.8396 |
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| 变量 | (1) | (2) | (3) | (4) |
| 国有企业 | 非国有企业 | 融资约束高 | 融资约束低 |
| treat_post | 0.0260(0.0354) | 0.0875***(0.0305) | 0.0757**(0.0350) | 0.0479(0.0296) |
| 控制变量 | 是 | 是 | 是 | 是 |
| 企业固定效应 | 是 | 是 | 是 | 是 |
| 年份固定效应 | 是 | 是 | 是 | 是 |
| 观测值 | 10676 | 18203 | 12212 | 12240 |
| 调整R2 | 0.8494 | 0.8371 | 0.8492 | 0.8269 |
| 系数差异P | 0.0000 | 0.0000 |
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股权性质和融资约束异质性估计结果
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| 变量 | (1) | (2) | (3) | (4) |
| 国有企业 | 非国有企业 | 融资约束高 | 融资约束低 |
| treat_post | 0.0260(0.0354) | 0.0875***(0.0305) | 0.0757**(0.0350) | 0.0479(0.0296) |
| 控制变量 | 是 | 是 | 是 | 是 |
| 企业固定效应 | 是 | 是 | 是 | 是 |
| 年份固定效应 | 是 | 是 | 是 | 是 |
| 观测值 | 10676 | 18203 | 12212 | 12240 |
| 调整R2 | 0.8494 | 0.8371 | 0.8492 | 0.8269 |
| 系数差异P | 0.0000 | 0.0000 |
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| 变量 | (1) | (2) | (3) | (4) |
| 市场分割高 | 市场分割低 | 异省子公司数量 | 省内异市子公司数量 |
| treat_post | 0.0767**(0.0334) | 0.0044(0.0345) | 0.9673**(0.4262) | -0.2452(0.2071) |
| 控制变量 | 是 | 是 | 是 | 是 |
| 企业固定效应 | 是 | 是 | 是 | 是 |
| 年份固定效应 | 是 | 是 | 是 | 是 |
| 观测值 | 16316 | 12661 | 23070 | 23070 |
| 调整R2 | 0.8376 | 0.8288 | 0.7490 | 0.7244 |
| 系数差异P | 0.0604 | |
), ArticleFig(id=1176895770860073013, tenantId=1146029695717560320, journalId=1146120045056339983, articleId=1149712412443590678, language=CN, label=表8, caption=
市场分割和投资去向异质性估计结果
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| 变量 | (1) | (2) | (3) | (4) |
| 市场分割高 | 市场分割低 | 异省子公司数量 | 省内异市子公司数量 |
| treat_post | 0.0767**(0.0334) | 0.0044(0.0345) | 0.9673**(0.4262) | -0.2452(0.2071) |
| 控制变量 | 是 | 是 | 是 | 是 |
| 企业固定效应 | 是 | 是 | 是 | 是 |
| 年份固定效应 | 是 | 是 | 是 | 是 |
| 观测值 | 16316 | 12661 | 23070 | 23070 |
| 调整R2 | 0.8376 | 0.8288 | 0.7490 | 0.7244 |
| 系数差异P | 0.0604 | |
), ArticleFig(id=1176895770922987574, tenantId=1146029695717560320, journalId=1146120045056339983, articleId=1149712412443590678, language=EN, label=null, caption=null, figureFileSmall=null, figureFileBig=null, tableContent=
| 变量 | (1) | (2) |
| Digital | ASY |
| treat_post | 3.0465***(1.1112) | -0.0481***(0.0177) |
| 控制变量 | 是 | 是 |
| 年份固定效应 | 是 | 是 |
| 企业固定效应 | 是 | 是 |
| 观测值 | 28174 | 28563 |
| 调整R2 | 0.6907 | 0.6554 |
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机制分析回归结果
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| 变量 | (1) | (2) |
| Digital | ASY |
| treat_post | 3.0465***(1.1112) | -0.0481***(0.0177) |
| 控制变量 | 是 | 是 |
| 年份固定效应 | 是 | 是 |
| 企业固定效应 | 是 | 是 |
| 观测值 | 28174 | 28563 |
| 调整R2 | 0.6907 | 0.6554 |
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