Article(id=1153753466825597695, tenantId=1146029695717560320, journalId=1146123222451335185, issueId=1153728261185069506, articleNumber=1671-1807(2025)01-0221-10, orderNo=null, doi=null, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=research-article, receivedDate=1723478400000, receivedDateStr=2024-08-13, revisedDate=null, revisedDateStr=null, acceptedDate=null, acceptedDateStr=null, onlineDate=1753005862193, onlineDateStr=2025-07-20, pubDate=1736438400000, pubDateStr=2025-01-10, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1753005862193, onlineIssueDateStr=2025-07-20, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1753005862193, creator=13701087609, updateTime=1753005862193, updator=13701087609, issue=Issue{id=1153728261185069506, tenantId=1146029695717560320, journalId=1146123222451335185, year='2025', volume='25', issue='1', pageStart='1', pageEnd='361', issueExtLink='null', onlineDate='null', pubDate='null', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=0, createTime=1752999852701, creator=13701087609, updateTime=1753063089305, updator=13701087609, preIssue=null, nextIssue=null, ext={EN=IssueExt(id=1153993494768116564, tenantId=1146029695717560320, journalId=1146123222451335185, issueId=1153728261185069506, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1153993494768116565, tenantId=1146029695717560320, journalId=1146123222451335185, issueId=1153728261185069506, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null}, startPage=221, endPage=230, ext={EN=ArticleExt(id=1153753467551212288, articleId=1153753466825597695, tenantId=1146029695717560320, journalId=1146123222451335185, language=EN, title=Enterprise Digital Transformation on Green Innovation:Based on the Dual Effects of Information Channels and Innovation-driven Mechanisms, columnId=1151877663716159826, journalTitle=Science Technology and Industry, columnName=Enterprise Application, runingTitle=null, highlight=null, articleAbstract=
Digitalization and greening are the two major trends of the new round of scie.jpgic and technological revolution and industrial change, and they are also two epochal characteristics of the new quality productivity. Based on the panel data of A-share listed companies in Shanghai and Shenzhen from 2012 to 2022, how digital transformation of enterprises empowers green innovation was studied. It is found that there is a significant promotion effect of digital transformation of enterprises on green innovation, which is more obvious for state-owned enterprises, low-financing enterprises, high-technology enterprises, non-resource city enterprises, enterprises in heavy pollution industry, and large-scale enterprises. The results of the mechanism of action suggest that digital technology can improve green innovation capacity by enhancing the transparency of corporate information and increasing R&D investment.
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数字化和绿色化作为新一轮科技革命和产业变革的两大趋势,也是新质生产力的两大时代特征。基于沪深A股上市公司2012—2022年面板数据,探讨企业数字化转型如何赋能绿色创新。研究发现,企业数字化转型对绿色创新存在显著促进效应,对于国有企业、低融资企业、高科技企业、非资源型城市企业、重污染行业企业以及大规模企业而言,这种促进效应更加明显。作用机制结果表明,数字技术可以通过提升企业信息透明度以及加大研发投入来提高绿色创新能力。
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齐银银(1997—),女,陕西宝鸡人,硕士研究生,研究方向为创新管理。
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齐银银(1997—),女,陕西宝鸡人,硕士研究生,研究方向为创新管理。
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2022(5): 24-42., articleTitle=融资约束、企业异质性与增值税减税的政策效果, refAbstract=null)], funds=[Fund(id=1274386997942739964, tenantId=1146029695717560320, journalId=1146123222451335185, articleId=1153753466825597695, awardId=23JP126, language=CN, fundingSource=陕西省教育厅青年创新团队科研计划(23JP126), fundOrder=null, country=null)], companyList=[AuthorCompany(id=1274386992372704216, tenantId=1146029695717560320, journalId=1146123222451335185, articleId=1153753466825597695, xref=null, ext=[AuthorCompanyExt(id=1274386992385287129, tenantId=1146029695717560320, journalId=1146123222451335185, articleId=1153753466825597695, companyId=1274386992372704216, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=School of Economics and Management, Xi’an Shiyou University, Xi’an 710065, China), AuthorCompanyExt(id=1274386992397870042, tenantId=1146029695717560320, journalId=1146123222451335185, articleId=1153753466825597695, companyId=1274386992372704216, language=CN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=西安石油大学经济管理学院, 西安 710065)])], figs=[ArticleFig(id=1274386996155966440, tenantId=1146029695717560320, journalId=1146123222451335185, articleId=1153753466825597695, language=EN, label=null, caption=null, figureFileSmall=null, figureFileBig=null, tableContent=
| 变量类型 | 变量名称 | 变量符号 | 变量测度 |
| 被解释变量 | 绿色创新 | lnGI | 绿色专利申请数加1取自然对数 |
| 解释变量 | 数字化转型 | lnDT | CSMAR数字化转型研究数据库中的“上市公司数字化转型指数” |
| 中介变量 | 信息透明度 | Analyst | 一年内有多少个分析师(团队)对该公司进行过跟踪分析 |
| 研发投入 | FI | 研发投入/营业收入 |
| 控制变量 | 企业规模 | Size | 企业年末总资产的自然对数 |
| 资产负债率 | LEV | 企业年底总负债/总资产 |
| 净资产收益率 | ROE | 企业年底净利润/股东权益余额 |
| 企业产权性质 | SOE | 国有控股企业取值为1,其他为0 |
| 营业收入增长率 | Growth | (本年营业收入-上年营业收入)/上年营业收入 |
| 企业价值 | TobinQ | (企业总市值+总负债)/企业总资产 |
| 上市年限 | AGE | 企业上市年份的自然对数 |
| 环境规制程度 | ER | 企业所在地区年度投入废气废水污染治理金额/该年工业产值 |
| 地区生产总值 | lnGDP | 省级层面人均生产总值的自然对数 |
), ArticleFig(id=1274386996260824041, tenantId=1146029695717560320, journalId=1146123222451335185, articleId=1153753466825597695, language=CN, label=表1, caption=
变量定义
, figureFileSmall=null, figureFileBig=null, tableContent=
| 变量类型 | 变量名称 | 变量符号 | 变量测度 |
| 被解释变量 | 绿色创新 | lnGI | 绿色专利申请数加1取自然对数 |
| 解释变量 | 数字化转型 | lnDT | CSMAR数字化转型研究数据库中的“上市公司数字化转型指数” |
| 中介变量 | 信息透明度 | Analyst | 一年内有多少个分析师(团队)对该公司进行过跟踪分析 |
| 研发投入 | FI | 研发投入/营业收入 |
| 控制变量 | 企业规模 | Size | 企业年末总资产的自然对数 |
| 资产负债率 | LEV | 企业年底总负债/总资产 |
| 净资产收益率 | ROE | 企业年底净利润/股东权益余额 |
| 企业产权性质 | SOE | 国有控股企业取值为1,其他为0 |
| 营业收入增长率 | Growth | (本年营业收入-上年营业收入)/上年营业收入 |
| 企业价值 | TobinQ | (企业总市值+总负债)/企业总资产 |
| 上市年限 | AGE | 企业上市年份的自然对数 |
| 环境规制程度 | ER | 企业所在地区年度投入废气废水污染治理金额/该年工业产值 |
| 地区生产总值 | lnGDP | 省级层面人均生产总值的自然对数 |
), ArticleFig(id=1274386996340515818, tenantId=1146029695717560320, journalId=1146123222451335185, articleId=1153753466825597695, language=EN, label=null, caption=null, figureFileSmall=null, figureFileBig=null, tableContent=
| 变量 | 样本数 | 均值 | 标准差 | 最小值 | 最大值 |
| lnGI | 13 871 | 0.446 | 0.866 | 0.000 | 3.932 |
| lnDT | 13 871 | 3.621 | 0.283 | 3.160 | 4.206 |
| Analyst | 13 871 | 1.555 | 1.199 | 0.000 | 3.850 |
| FI | 13 871 | 11.422 | 12.981 | 0.000 | 87.750 |
| Size | 13 871 | 22.486 | 1.288 | 20.217 | 26.538 |
| LEV | 13 871 | 0.416 | 0.188 | 0.056 | 0.836 |
| ROE | 13 871 | 0.065 | 0.104 | -0.403 | 0.340 |
| SOE | 13 871 | 0.365 | 0.481 | 0.000 | 1.000 |
| Growth | 13 871 | 0.139 | 0.300 | -0.439 | 1.659 |
| TobinQ | 13 871 | 1.971 | 1.218 | 0.000 | 7.531 |
| AGE | 13 871 | 2.407 | 0.599 | 0.693 | 3.332 |
| ER | 13 871 | 5.905 | 3.899 | 2.595 | 25.883 |
| lnGDP | 13 871 | 11.211 | 0.439 | 10.227 | 12.123 |
), ArticleFig(id=1274386996424401899, tenantId=1146029695717560320, journalId=1146123222451335185, articleId=1153753466825597695, language=CN, label=表2, caption=
变量描述性统计
, figureFileSmall=null, figureFileBig=null, tableContent=
| 变量 | 样本数 | 均值 | 标准差 | 最小值 | 最大值 |
| lnGI | 13 871 | 0.446 | 0.866 | 0.000 | 3.932 |
| lnDT | 13 871 | 3.621 | 0.283 | 3.160 | 4.206 |
| Analyst | 13 871 | 1.555 | 1.199 | 0.000 | 3.850 |
| FI | 13 871 | 11.422 | 12.981 | 0.000 | 87.750 |
| Size | 13 871 | 22.486 | 1.288 | 20.217 | 26.538 |
| LEV | 13 871 | 0.416 | 0.188 | 0.056 | 0.836 |
| ROE | 13 871 | 0.065 | 0.104 | -0.403 | 0.340 |
| SOE | 13 871 | 0.365 | 0.481 | 0.000 | 1.000 |
| Growth | 13 871 | 0.139 | 0.300 | -0.439 | 1.659 |
| TobinQ | 13 871 | 1.971 | 1.218 | 0.000 | 7.531 |
| AGE | 13 871 | 2.407 | 0.599 | 0.693 | 3.332 |
| ER | 13 871 | 5.905 | 3.899 | 2.595 | 25.883 |
| lnGDP | 13 871 | 11.211 | 0.439 | 10.227 | 12.123 |
), ArticleFig(id=1274386996516676588, tenantId=1146029695717560320, journalId=1146123222451335185, articleId=1153753466825597695, language=EN, label=null, caption=null, figureFileSmall=null, figureFileBig=null, tableContent=
| 变量 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 |
| 1 lnGI | 1 | | | | | | | | | | | | |
| 2 lnDT | 0.211*** | 1 | | | | | | | | | | | |
| 3 Analyst | 0.096*** | 0.415** | 1 | | | | | | | | | | |
| 4 FI | 0.175*** | 0.034*** | 0.021** | 1 | | | | | | | | | |
| 5 Size | 0.271*** | 0.025*** | -0.224*** | 0.368*** | 1 | | | | | | | | |
| 6 LEV | 0.172* | -0.030*** | -0.290*** | -0.005 | 0.422*** | 1 | | | | | | | |
| 7 ROE | 0.059** | -0.050** | -0.098*** | 0.441*** | 0.166*** | -0.142 2*** | 1 | | | | | | |
| 8 SOE | 0.096*** | -0.156*** | -0.187** | -0.021** | 0.363** | 0.294 2** | 0.007 | 1 | | | | | |
| 9 Growth | 0.003 | 0.044*** | -0.036*** | 0.186*** | 0.031*** | 0.008 | 0.287*** | -0.073*** | 1 | | | | |
| 10 TobinQ | -0.066* | 0.071*** | 0.234*** | 0.151** | -0.326*** | -0.303*** | 0.164** | -0.118** | 0.077** | 1 | | | |
| 11 AGE | 0.033** | 0.013 | -0.146** | -0.126*** | 0.429*** | 0.330 2*** | -0.010 | 0.438*** | -0.100*** | -0.067** | 1 | | |
| 12 ER | -0.030* | -0.090** | -0.071*** | -0.080** | 0.124*** | 0.064 2** | -0.023*** | 0.125** | -0.028** | -0.053** | 0.195** | 1 | |
| 13 lnGDP | 0.039*** | 0.277*** | 0.145*** | -0.032*** | 0.146*** | -0.007 | -0.022** | -0.088*** | -0.008 | -0.009 | 0.147*** | -0.180** | 1 |
| VIF | — | 1.33 | 1.42 | 1.79 | 2.62 | 1.64 | 1.44 | 2.04 | 1.39 | 1.36 | 1.66 | 1.12 | 1.23 |
), ArticleFig(id=1274386996596368365, tenantId=1146029695717560320, journalId=1146123222451335185, articleId=1153753466825597695, language=CN, label=表3, caption=
相关系数与多重共线性检验
, figureFileSmall=null, figureFileBig=null, tableContent=
| 变量 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 |
| 1 lnGI | 1 | | | | | | | | | | | | |
| 2 lnDT | 0.211*** | 1 | | | | | | | | | | | |
| 3 Analyst | 0.096*** | 0.415** | 1 | | | | | | | | | | |
| 4 FI | 0.175*** | 0.034*** | 0.021** | 1 | | | | | | | | | |
| 5 Size | 0.271*** | 0.025*** | -0.224*** | 0.368*** | 1 | | | | | | | | |
| 6 LEV | 0.172* | -0.030*** | -0.290*** | -0.005 | 0.422*** | 1 | | | | | | | |
| 7 ROE | 0.059** | -0.050** | -0.098*** | 0.441*** | 0.166*** | -0.142 2*** | 1 | | | | | | |
| 8 SOE | 0.096*** | -0.156*** | -0.187** | -0.021** | 0.363** | 0.294 2** | 0.007 | 1 | | | | | |
| 9 Growth | 0.003 | 0.044*** | -0.036*** | 0.186*** | 0.031*** | 0.008 | 0.287*** | -0.073*** | 1 | | | | |
| 10 TobinQ | -0.066* | 0.071*** | 0.234*** | 0.151** | -0.326*** | -0.303*** | 0.164** | -0.118** | 0.077** | 1 | | | |
| 11 AGE | 0.033** | 0.013 | -0.146** | -0.126*** | 0.429*** | 0.330 2*** | -0.010 | 0.438*** | -0.100*** | -0.067** | 1 | | |
| 12 ER | -0.030* | -0.090** | -0.071*** | -0.080** | 0.124*** | 0.064 2** | -0.023*** | 0.125** | -0.028** | -0.053** | 0.195** | 1 | |
| 13 lnGDP | 0.039*** | 0.277*** | 0.145*** | -0.032*** | 0.146*** | -0.007 | -0.022** | -0.088*** | -0.008 | -0.009 | 0.147*** | -0.180** | 1 |
| VIF | — | 1.33 | 1.42 | 1.79 | 2.62 | 1.64 | 1.44 | 2.04 | 1.39 | 1.36 | 1.66 | 1.12 | 1.23 |
), ArticleFig(id=1274386996692837358, tenantId=1146029695717560320, journalId=1146123222451335185, articleId=1153753466825597695, language=EN, label=null, caption=null, figureFileSmall=null, figureFileBig=null, tableContent=
| 变量 | (1) | (2) | (3) | (4) |
| lnGI | lnGI | lnGI | lnGI |
| lnDT | 0.316 0*** (0.040 6) | 0.282 4*** (0.041 7) | 0.331 6*** (0.040 9) | 0.298 6*** (0.042 1) |
| Size | 0.060 8*** (0.013 2) | 0.052 0*** (0.013 5) | 0.066 5*** (0.013 4) | 0.058 3*** (0.013 7) |
| LEV | 0.016 8 (0.053 3) | 0.057 4 (0.054 1) | 0.021 4 (0.053 5) | 0.062 1 (0.054 4) |
| ROE | 0.055 7 (0.056 4) | 0.057 3 (0.056 6) | 0.044 6 (0.056 6) | 0.046 2 (0.056 8) |
| SOE | 0.088 5*** (0.032 4) | 0.099 1*** (0.032 4) | 0.091 0*** (0.032 4) | 0.101 4*** (0.032 4) |
| Growth | 0.034 0** (0.015 8) | 0.043 6*** (0.016 0) | 0.036 1** (0.015 8) | 0.045 7*** (0.016 1) |
| TobinQ | 0.008 4* (0.005 1) | 0.008 9 (0.005 6) | 0.008 8* (0.005 1) | 0.009 7* (0.005 6) |
| AGE | -0.009 7 (0.025 6) | -0.068 2** (0.029 6) | -0.006 3 (0.025 7) | -0.065 7** (0.029 8) |
| ER | 0.003 2 (0.003 5) | -0.004 5 (0.004 9) | 0.002 3 (0.003 5) | -0.006 1 (0.005 0) |
| lnGDP | -0.010 6 (0.038 9) | -0.137 3* (0.081 9) | -0.015 0 (0.039 1) | -0.154 7* (0.082 1) |
| 常数项 | -1.997 6*** (0.399 5) | -0.203 4 (0.959 9) | -2.117 1*** (0.464 4) | -0.187 5 (0.988 9) |
| 时间固定效应 | 不控制 | 控制 | 不控制 | 控制 |
| 行业固定效应 | 不控制 | 不控制 | 控制 | 控制 |
| 样本数 | 13 871 | 13 871 | 13 871 | 13 871 |
| R2 | 0.707 0 | 0.708 8 | 0.707 7 | 0.709 4 |
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基准回归结果
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| 变量 | (1) | (2) | (3) | (4) |
| lnGI | lnGI | lnGI | lnGI |
| lnDT | 0.316 0*** (0.040 6) | 0.282 4*** (0.041 7) | 0.331 6*** (0.040 9) | 0.298 6*** (0.042 1) |
| Size | 0.060 8*** (0.013 2) | 0.052 0*** (0.013 5) | 0.066 5*** (0.013 4) | 0.058 3*** (0.013 7) |
| LEV | 0.016 8 (0.053 3) | 0.057 4 (0.054 1) | 0.021 4 (0.053 5) | 0.062 1 (0.054 4) |
| ROE | 0.055 7 (0.056 4) | 0.057 3 (0.056 6) | 0.044 6 (0.056 6) | 0.046 2 (0.056 8) |
| SOE | 0.088 5*** (0.032 4) | 0.099 1*** (0.032 4) | 0.091 0*** (0.032 4) | 0.101 4*** (0.032 4) |
| Growth | 0.034 0** (0.015 8) | 0.043 6*** (0.016 0) | 0.036 1** (0.015 8) | 0.045 7*** (0.016 1) |
| TobinQ | 0.008 4* (0.005 1) | 0.008 9 (0.005 6) | 0.008 8* (0.005 1) | 0.009 7* (0.005 6) |
| AGE | -0.009 7 (0.025 6) | -0.068 2** (0.029 6) | -0.006 3 (0.025 7) | -0.065 7** (0.029 8) |
| ER | 0.003 2 (0.003 5) | -0.004 5 (0.004 9) | 0.002 3 (0.003 5) | -0.006 1 (0.005 0) |
| lnGDP | -0.010 6 (0.038 9) | -0.137 3* (0.081 9) | -0.015 0 (0.039 1) | -0.154 7* (0.082 1) |
| 常数项 | -1.997 6*** (0.399 5) | -0.203 4 (0.959 9) | -2.117 1*** (0.464 4) | -0.187 5 (0.988 9) |
| 时间固定效应 | 不控制 | 控制 | 不控制 | 控制 |
| 行业固定效应 | 不控制 | 不控制 | 控制 | 控制 |
| 样本数 | 13 871 | 13 871 | 13 871 | 13 871 |
| R2 | 0.707 0 | 0.708 8 | 0.707 7 | 0.709 4 |
), ArticleFig(id=1274386996864803824, tenantId=1146029695717560320, journalId=1146123222451335185, articleId=1153753466825597695, language=EN, label=null, caption=null, figureFileSmall=null, figureFileBig=null, tableContent=
| 变量 | (1) | (2) | (3) | (4) |
| lnDT | lnGI | lnGI | lnGI |
| lnIV | 0.016 1*** (0.004 8) | | | |
| lnDT | | 3.875 6** (1.819 1) | | |
| L1.lnDT | | | 0.257 2*** (0.044 1) | |
| L2.lnDT | | | | 0.211 7*** (0.046 7) |
| 控制变量 | 控制 | 控制 | 控制 | 控制 |
| 时间固定效应 | 控制 | 控制 | 控制 | 控制 |
| 行业固定效应 | 控制 | 控制 | 控制 | 控制 |
| 样本数 | 13 871 | 13 871 | 12 610 | 11 349 |
| R2 | 0.877 9 | 0.536 9 | 0.724 5 | 0.740 5 |
Kleibergen-Paap rk LM统计量 | 10.228*** | | | |
Cragg-Donald Wald F统计量 | 11.350 | | | |
Kleibergen-Paap rk Wald F统计量 | 10.177 | | | |
), ArticleFig(id=1274386996952884209, tenantId=1146029695717560320, journalId=1146123222451335185, articleId=1153753466825597695, language=CN, label=表5, caption=
内生性检验结果
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| 变量 | (1) | (2) | (3) | (4) |
| lnDT | lnGI | lnGI | lnGI |
| lnIV | 0.016 1*** (0.004 8) | | | |
| lnDT | | 3.875 6** (1.819 1) | | |
| L1.lnDT | | | 0.257 2*** (0.044 1) | |
| L2.lnDT | | | | 0.211 7*** (0.046 7) |
| 控制变量 | 控制 | 控制 | 控制 | 控制 |
| 时间固定效应 | 控制 | 控制 | 控制 | 控制 |
| 行业固定效应 | 控制 | 控制 | 控制 | 控制 |
| 样本数 | 13 871 | 13 871 | 12 610 | 11 349 |
| R2 | 0.877 9 | 0.536 9 | 0.724 5 | 0.740 5 |
Kleibergen-Paap rk LM统计量 | 10.228*** | | | |
Cragg-Donald Wald F统计量 | 11.350 | | | |
Kleibergen-Paap rk Wald F统计量 | 10.177 | | | |
), ArticleFig(id=1274386997070324722, tenantId=1146029695717560320, journalId=1146123222451335185, articleId=1153753466825597695, language=EN, label=null, caption=null, figureFileSmall=null, figureFileBig=null, tableContent=
| 变量 | (1) | (2) | (3) | (4) | (5) |
| lnGI | lnGI | lnGI | lnGI | lnGI |
| lnDT | 0.143 5*** (0.036 7) | 0.458 0*** (8.141 0) | 0.331 9*** (0.043 0) | 0.242 8*** (0.053 0) | 0.315 5*** (0.049 5) |
| 常数项 | 0.431 9 (0.825 8) | -12.969 0*** (2.121 7) | 0.072 0 (1.018 7) | 1.365 4 (1.094 2) | -1.948 6* (1.162 5) |
| 控制变量 | 控制 | 控制 | 控制 | 控制 | 控制 |
| 时间固定效应 | 控制 | 控制 | 控制 | 控制 | 控制 |
| 行业固定效应 | 控制 | 控制 | 控制 | 控制 | 控制 |
| 样本数 | 13 871 | 13 871 | 12 905 | 8 822 | 10 342 |
| R2 | 0.714 7 | 0.735 8 | 0.709 7 | 0.677 3 | 0.727 5 |
), ArticleFig(id=1274386997154210803, tenantId=1146029695717560320, journalId=1146123222451335185, articleId=1153753466825597695, language=CN, label=表6, caption=
稳健性检验结果
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| 变量 | (1) | (2) | (3) | (4) | (5) |
| lnGI | lnGI | lnGI | lnGI | lnGI |
| lnDT | 0.143 5*** (0.036 7) | 0.458 0*** (8.141 0) | 0.331 9*** (0.043 0) | 0.242 8*** (0.053 0) | 0.315 5*** (0.049 5) |
| 常数项 | 0.431 9 (0.825 8) | -12.969 0*** (2.121 7) | 0.072 0 (1.018 7) | 1.365 4 (1.094 2) | -1.948 6* (1.162 5) |
| 控制变量 | 控制 | 控制 | 控制 | 控制 | 控制 |
| 时间固定效应 | 控制 | 控制 | 控制 | 控制 | 控制 |
| 行业固定效应 | 控制 | 控制 | 控制 | 控制 | 控制 |
| 样本数 | 13 871 | 13 871 | 12 905 | 8 822 | 10 342 |
| R2 | 0.714 7 | 0.735 8 | 0.709 7 | 0.677 3 | 0.727 5 |
), ArticleFig(id=1274386997225513972, tenantId=1146029695717560320, journalId=1146123222451335185, articleId=1153753466825597695, language=EN, label=null, caption=null, figureFileSmall=null, figureFileBig=null, tableContent=
| 变量 | (1) | (2) | (3) | (4) |
| 低融资约束 | 高融资约束 | 高科技企业 | 非高科技企业 |
| lnGI | lnGI | lnGI | lnGI |
| lnDT | 0.419 4*** (0.072 3) | 0.150 3*** (0.052 7) | 0.350 9*** (0.054 1) | 0.139 5** (0.066 4) |
| 控制变量 | 控制 | 控制 | 控制 | 控制 |
| 时间固定效应 | 控制 | 控制 | 控制 | 控制 |
| 行业固定效应 | 控制 | 控制 | 控制 | 控制 |
| 样本数 | 6 714 | 6 962 | 9 705 | 4 161 |
| R2 | 0.766 0 | 0.630 0 | 0.718 0 | 0.662 5 |
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异质性分析结果1
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| 变量 | (1) | (2) | (3) | (4) |
| 低融资约束 | 高融资约束 | 高科技企业 | 非高科技企业 |
| lnGI | lnGI | lnGI | lnGI |
| lnDT | 0.419 4*** (0.072 3) | 0.150 3*** (0.052 7) | 0.350 9*** (0.054 1) | 0.139 5** (0.066 4) |
| 控制变量 | 控制 | 控制 | 控制 | 控制 |
| 时间固定效应 | 控制 | 控制 | 控制 | 控制 |
| 行业固定效应 | 控制 | 控制 | 控制 | 控制 |
| 样本数 | 6 714 | 6 962 | 9 705 | 4 161 |
| R2 | 0.766 0 | 0.630 0 | 0.718 0 | 0.662 5 |
), ArticleFig(id=1274386997389091830, tenantId=1146029695717560320, journalId=1146123222451335185, articleId=1153753466825597695, language=EN, label=null, caption=null, figureFileSmall=null, figureFileBig=null, tableContent=
| 变量 | (1) | (2) | (3) | (4) |
| 非资源型城市 | 资源型城市 | 国有企业 | 非国有企业 |
| lnGI | lnGI | lnGI | lnGI |
| lnDT | 0.332 4*** (0.044 6) | 0.121 6 (0.131 1) | 0.441 9*** (0.074 3) | 0.204 5*** (0.050 9) |
| 控制变量 | 控制 | 控制 | 控制 | 控制 |
| 时间固定效应 | 控制 | 控制 | 控制 | 控制 |
| 行业固定效应 | 控制 | 控制 | 控制 | 控制 |
| 样本数 | 12 353 | 1 518 | 5 064 | 8 807 |
| R2 | 0.723 4 | 0.533 0 | 0.722 2 | 0.712 8 |
), ArticleFig(id=1274386997464589303, tenantId=1146029695717560320, journalId=1146123222451335185, articleId=1153753466825597695, language=CN, label=表8, caption=
异质性分析结果2
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| 变量 | (1) | (2) | (3) | (4) |
| 非资源型城市 | 资源型城市 | 国有企业 | 非国有企业 |
| lnGI | lnGI | lnGI | lnGI |
| lnDT | 0.332 4*** (0.044 6) | 0.121 6 (0.131 1) | 0.441 9*** (0.074 3) | 0.204 5*** (0.050 9) |
| 控制变量 | 控制 | 控制 | 控制 | 控制 |
| 时间固定效应 | 控制 | 控制 | 控制 | 控制 |
| 行业固定效应 | 控制 | 控制 | 控制 | 控制 |
| 样本数 | 12 353 | 1 518 | 5 064 | 8 807 |
| R2 | 0.723 4 | 0.533 0 | 0.722 2 | 0.712 8 |
), ArticleFig(id=1274386997569446904, tenantId=1146029695717560320, journalId=1146123222451335185, articleId=1153753466825597695, language=EN, label=null, caption=null, figureFileSmall=null, figureFileBig=null, tableContent=
| 变量 | (1) | (2) | (3) | (4) |
| 非重污染企业 | 重污染企业 | 较大规模企业 | 较小规模企业 |
| lnGI | lnGI | lnGI | lnGI |
| lnDT | 0.270 4*** (0.086 3) | 0.315 5*** (0.049 5) | 0.373 7*** (0.073 5) | 0.102 6** (0.052 1) |
| 控制变量 | 控制 | 控制 | 控制 | 控制 |
| 时间固定效应 | 控制 | 控制 | 控制 | 控制 |
| 行业固定效应 | 控制 | 控制 | 控制 | 控制 |
| 样本数 | 10 342 | 3 520 | 6 900 | 6 888 |
| R2 | 0.647 4 | 0.727 5 | 0.768 0 | 0.635 3 |
), ArticleFig(id=1274386997644944377, tenantId=1146029695717560320, journalId=1146123222451335185, articleId=1153753466825597695, language=CN, label=表9, caption=
异质性分析结果3
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| 变量 | (1) | (2) | (3) | (4) |
| 非重污染企业 | 重污染企业 | 较大规模企业 | 较小规模企业 |
| lnGI | lnGI | lnGI | lnGI |
| lnDT | 0.270 4*** (0.086 3) | 0.315 5*** (0.049 5) | 0.373 7*** (0.073 5) | 0.102 6** (0.052 1) |
| 控制变量 | 控制 | 控制 | 控制 | 控制 |
| 时间固定效应 | 控制 | 控制 | 控制 | 控制 |
| 行业固定效应 | 控制 | 控制 | 控制 | 控制 |
| 样本数 | 10 342 | 3 520 | 6 900 | 6 888 |
| R2 | 0.647 4 | 0.727 5 | 0.768 0 | 0.635 3 |
), ArticleFig(id=1274386997720441850, tenantId=1146029695717560320, journalId=1146123222451335185, articleId=1153753466825597695, language=EN, label=null, caption=null, figureFileSmall=null, figureFileBig=null, tableContent=
| 变量 | (1) | (2) | (3) | (4) |
| Analyst | lnGI | FI | lnGI |
| Analyst | | 0.585 9** (0.230 9) | | |
| FI | | | | 0.023 7*** (0.006 7) |
| lnDT | 0.177 2*** (0.055 8) | 0.294 4*** (0.042 1) | 0.007 9*** (0.001 6) | 0.294 0*** (0.042 1) |
| 控制变量 | 控制 | 控制 | 控制 | 控制 |
| 时间固定效应 | 控制 | 控制 | 控制 | 控制 |
| 行业固定效应 | 控制 | 控制 | 控制 | 控制 |
| 样本数 | 13 871 | 13 871 | 13 871 | 13 871 |
| R2 | 0.733 9 | 0.709 7 | 0.828 0 | 0.709 6 |
| Sobel检验 | Z=6.514*** | Z=6.945*** |
| Bootstrap检验 | [0.006,0.015] | [0.036,0.065] |
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机制检验结果
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| 变量 | (1) | (2) | (3) | (4) |
| Analyst | lnGI | FI | lnGI |
| Analyst | | 0.585 9** (0.230 9) | | |
| FI | | | | 0.023 7*** (0.006 7) |
| lnDT | 0.177 2*** (0.055 8) | 0.294 4*** (0.042 1) | 0.007 9*** (0.001 6) | 0.294 0*** (0.042 1) |
| 控制变量 | 控制 | 控制 | 控制 | 控制 |
| 时间固定效应 | 控制 | 控制 | 控制 | 控制 |
| 行业固定效应 | 控制 | 控制 | 控制 | 控制 |
| 样本数 | 13 871 | 13 871 | 13 871 | 13 871 |
| R2 | 0.733 9 | 0.709 7 | 0.828 0 | 0.709 6 |
| Sobel检验 | Z=6.514*** | Z=6.945*** |
| Bootstrap检验 | [0.006,0.015] | [0.036,0.065] |
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