Article(id=1175385804147929504, tenantId=1146029695717560320, journalId=1146123222451335185, issueId=1175385799072821512, articleNumber=1671-1807(2025)15-0278-07, orderNo=null, doi=null, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1739376000000, receivedDateStr=2025-02-13, revisedDate=null, revisedDateStr=null, acceptedDate=null, acceptedDateStr=null, onlineDate=1758163413321, onlineDateStr=2025-09-18, pubDate=1754755200000, pubDateStr=2025-08-10, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1758163413321, onlineIssueDateStr=2025-09-18, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1758163413321, creator=13701087609, updateTime=1758163413321, updator=13701087609, issue=Issue{id=1175385799072821512, tenantId=1146029695717560320, journalId=1146123222451335185, year='2025', volume='25', issue='15', pageStart='1', pageEnd='331', issueExtLink='null', onlineDate='null', pubDate='null', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=1, specialIssue=0, createTime=1758163412111, creator=13701087609, updateTime=1758163801470, updator=13701087609, preIssue=null, nextIssue=null, ext={EN=IssueExt(id=1175387432229941342, tenantId=1146029695717560320, journalId=1146123222451335185, issueId=1175385799072821512, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1175387432229941343, tenantId=1146029695717560320, journalId=1146123222451335185, issueId=1175385799072821512, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null}, startPage=278, endPage=284, ext={EN=ArticleExt(id=1175385805859205584, articleId=1175385804147929504, tenantId=1146029695717560320, journalId=1146123222451335185, language=EN, title=Can Artificial Intelligence Reduce Enterprise Environmental Costs?, columnId=1151877663716159826, journalTitle=Science Technology and Industry, columnName=Enterprise Application, runingTitle=null, highlight=null, articleAbstract=
At present, the environmental costs of a large number of enterprises in China remain high. Exploring can the introduction of artificial intelligence effectively control the environmental costs of enterprises has significant importance. The financial data of Shanghai and Shenzhen A-share listed companies from 2013 to 2023 was collected to empirically test the relationship between the artificial intelligence level of enterprises and environmental costs. The research findings are as follows there is a significantly negative correlation between the introduction of artificial intelligence technology and the environmental costs of enterprises. The mechanism of action shows that the development of artificial intelligence by enterprises reduces their environmental costs through the mediating effects of alleviating financing constraints, improving the quality of internal control, and enhancing the quality of innovation. The heterogeneity analysis indicates that the impact of artificial intelligence on environmental costs varies under different enterprise scales and industry attributes.
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当前中国大量企业环境成本居高不下,探讨引入人工智能能否有效控制企业环境成本具有重要意义。利用2013—2023年沪深A股上市公司财务数据,实证检验企业人工智能水平与环境成本的关系。研究发现,人工智能技术的引入与企业的环境成本呈显著负相关关系。作用机制表明,企业发展人工智能通过缓解融资约束、提高内部控制质量、提高创新质量的中介效应来降低自身环境成本。异质性分析表明,不同企业规模和行业属性下人工智能对环境成本的影响存在差异。
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米沛雨(2000—),男,河南襄城人,硕士研究生,研究方向为财务管理。
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王积田(1969—),男,黑龙江望奎人,博士,副教授,硕士研究生导师,研究方向为财务管理;
金钊(2001—),女,江苏吴江人,硕士研究生,研究方向为财务管理;
肖毅宁(2002—),男,黑龙江密山人,硕士研究生,研究方向为财务管理;
于健鸿(2000—),男,山东潍坊人,硕士研究生,研究方向为财务管理。
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王积田(1969—),男,黑龙江望奎人,博士,副教授,硕士研究生导师,研究方向为财务管理;
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王积田(1969—),男,黑龙江望奎人,博士,副教授,硕士研究生导师,研究方向为财务管理;
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金钊(2001—),女,江苏吴江人,硕士研究生,研究方向为财务管理;
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金钊(2001—),女,江苏吴江人,硕士研究生,研究方向为财务管理;
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肖毅宁(2002—),男,黑龙江密山人,硕士研究生,研究方向为财务管理;
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肖毅宁(2002—),男,黑龙江密山人,硕士研究生,研究方向为财务管理;
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于健鸿(2000—),男,山东潍坊人,硕士研究生,研究方向为财务管理。
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于健鸿(2000—),男,山东潍坊人,硕士研究生,研究方向为财务管理。
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安徽农业科学,
2024,
52(16): 276-278., articleTitle=数智化背景下全周期农业创新人才培养模式与实践路径研究, refAbstract=null), Reference(id=1176928287319273517, tenantId=1146029695717560320, journalId=1146123222451335185, articleId=1175385804147929504, doi=null, pmid=null, pmcid=null, year=2024, volume=null, issue=22, pageStart=158, pageEnd=164, url=null, language=null, rfNumber=[7], rfOrder=6, authorNames=李振杰, 徐庆凤, journalName=财会通讯, refType=null, unstructuredReference=李振杰, 徐庆凤. 基于ChatGPT的“专精特新”企业环境成本管理体系构建[J].
财会通讯,
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基于内部价值链的N公司成本管理优化研究[D]. 扬州: 扬州大学,
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新闻与写作,
2024(11): 74-86., articleTitle=基于算法机理的生成式人工智能伦理评价指标体系构建与治理研究, refAbstract=null), Reference(id=1176928287625457713, tenantId=1146029695717560320, journalId=1146123222451335185, articleId=1175385804147929504, doi=null, pmid=null, pmcid=null, year=2024, volume=9, issue=2, pageStart=138, pageEnd=139, url=null, language=null, rfNumber=[10], rfOrder=9, authorNames=刘江华, 龚年姣, journalName=财经智库, refType=null, unstructuredReference=刘江华, 龚年姣. 人工智能对能源和气候变化的影响[J].
财经智库,
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工业控制计算机,
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商学研究,
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改革,
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XG钢铁公司环境成本控制研究[D]. 邯郸: 河北工程大学,
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科技和产业,
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合作经济与科技,
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开放教育研究,
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中国商界,
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投资与创业,
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社会科学,
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中南大学学报(社会科学版),
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12(5): 72-86., articleTitle=主导合作、创新质量与企业全要素生产率, refAbstract=null)], funds=null, companyList=[AuthorCompany(id=1176928280834880408, tenantId=1146029695717560320, journalId=1146123222451335185, articleId=1175385804147929504, xref=null, ext=[AuthorCompanyExt(id=1176928280847463320, tenantId=1146029695717560320, journalId=1146123222451335185, articleId=1175385804147929504, companyId=1176928280834880408, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=School of Economics and Management, Northeast Agricultural University, Harbin 150030, China), AuthorCompanyExt(id=1176928280855851929, tenantId=1146029695717560320, journalId=1146123222451335185, articleId=1175385804147929504, companyId=1176928280834880408, language=CN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=东北农业大学经济管理学院, 哈尔滨 150030)])], figs=[ArticleFig(id=1176928284513285107, tenantId=1146029695717560320, journalId=1146123222451335185, articleId=1175385804147929504, language=EN, label=null, caption=null, figureFileSmall=null, figureFileBig=null, tableContent=
| 变量类型 | 变量符号 | 变量名称 | 变量定义 |
| 被解释变量 | EC | 环境成本 | 企业财报中的绿化费、环卫费等环境治理支出除以营业收入 |
| 解释变量 | AI | 人工智能水平 | 上市公司年报文本中73个人工智能相关词频总和加一取对数 |
| 控制变量 | Size | 企业规模 | 对期末总资产取自然对数 |
| SOE | 企业性质 | 若为国有企业取值为1,否则为0 |
| Age | 上市年龄 | 企业已上市年份的自然对数 |
| BM | 账面市值比 | 账面价值/市场价值 |
| ROE | 净资产收益率 | 净利润/净资产 |
| Cashflow | 现金流比率 | 经营活动现金流量净额/期末总资产 |
| Top1 | 第一大股东持股比例 | 第一大股东持股数量/总股数 |
), ArticleFig(id=1176928284643308534, tenantId=1146029695717560320, journalId=1146123222451335185, articleId=1175385804147929504, language=CN, label=表1, caption=
变量定义
, figureFileSmall=null, figureFileBig=null, tableContent=
| 变量类型 | 变量符号 | 变量名称 | 变量定义 |
| 被解释变量 | EC | 环境成本 | 企业财报中的绿化费、环卫费等环境治理支出除以营业收入 |
| 解释变量 | AI | 人工智能水平 | 上市公司年报文本中73个人工智能相关词频总和加一取对数 |
| 控制变量 | Size | 企业规模 | 对期末总资产取自然对数 |
| SOE | 企业性质 | 若为国有企业取值为1,否则为0 |
| Age | 上市年龄 | 企业已上市年份的自然对数 |
| BM | 账面市值比 | 账面价值/市场价值 |
| ROE | 净资产收益率 | 净利润/净资产 |
| Cashflow | 现金流比率 | 经营活动现金流量净额/期末总资产 |
| Top1 | 第一大股东持股比例 | 第一大股东持股数量/总股数 |
), ArticleFig(id=1176928284853023740, tenantId=1146029695717560320, journalId=1146123222451335185, articleId=1175385804147929504, 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 |
| EC | 24 945 | 0.214 988 | 0.792 794 | 0.000 000 | 6.162 258 |
| AI | 24 945 | 0.993 855 | 1.257 731 | 0.000 000 | 4.875 197 |
| Size | 24 945 | 22.368 930 | 1.322 919 | 18.591 980 | 27.467 720 |
| SOE | 24 945 | 0.337 877 | 0.472 996 | 0.000 000 | 1.000 000 |
| Age | 24 945 | 10.765 490 | 7.576 747 | 0.000 000 | 29.000 000 |
| BM | 24 945 | 0.611 461 | 0.255 508 | 0.064 933 | 1.245 837 |
| ROE | 24 945 | 0.052 284 | 0.142 999 | -1.229 690 | 0.503 623 |
| Cashflow | 24 945 | 0.049 562 | 0.067 054 | -0.203 390 | 0.292 475 |
| Top1 | 24 945 | 33.308 970 | 14.685 270 | 8.060 000 | 76.070 000 |
), ArticleFig(id=1176928285356339203, tenantId=1146029695717560320, journalId=1146123222451335185, articleId=1175385804147929504, 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 |
| EC | 24 945 | 0.214 988 | 0.792 794 | 0.000 000 | 6.162 258 |
| AI | 24 945 | 0.993 855 | 1.257 731 | 0.000 000 | 4.875 197 |
| Size | 24 945 | 22.368 930 | 1.322 919 | 18.591 980 | 27.467 720 |
| SOE | 24 945 | 0.337 877 | 0.472 996 | 0.000 000 | 1.000 000 |
| Age | 24 945 | 10.765 490 | 7.576 747 | 0.000 000 | 29.000 000 |
| BM | 24 945 | 0.611 461 | 0.255 508 | 0.064 933 | 1.245 837 |
| ROE | 24 945 | 0.052 284 | 0.142 999 | -1.229 690 | 0.503 623 |
| Cashflow | 24 945 | 0.049 562 | 0.067 054 | -0.203 390 | 0.292 475 |
| Top1 | 24 945 | 33.308 970 | 14.685 270 | 8.060 000 | 76.070 000 |
), ArticleFig(id=1176928285532499976, tenantId=1146029695717560320, journalId=1146123222451335185, articleId=1175385804147929504, language=EN, label=null, caption=null, figureFileSmall=null, figureFileBig=null, tableContent=
| 变量 | (1) | (2) | (3) |
| EC | EC | EC |
| AI | -0.074*** | -0.071*** | -0.039*** |
| (-23.77) | (-22.01) | (-10.08) |
| Size | | -0.016*** | -0.005 |
| (-4.18) | (-1.34) |
| SOE | | 0.014 | 0.042*** |
| (1.35) | (3.98) |
| Age | | 0.001** | 0.002*** |
| (2.50) | (3.02) |
| BM | | -0.003 | 0.066*** |
| (-0.15) | (3.16) |
| ROE | | -0.105*** | -0.111*** |
| (-3.45) | (-3.65) |
| Cashflow | | 0.454*** | 0.191*** |
| (7.38) | (3.06) |
| Top1 | | -0.000 | 0.000 |
| (-0.29) | (0.56) |
| 常数项 | 0.271*** | 0.585*** | 0.353*** |
| (54.30) | (7.85) | (3.98) |
| Year/Industry | No | No | Yes |
| 样本数 | 24 945 | 24 945 | 24 945 |
| adj.R2 | 0.015 | 0.017 | 0.051 |
), ArticleFig(id=1176928285666717705, tenantId=1146029695717560320, journalId=1146123222451335185, articleId=1175385804147929504, language=CN, label=表3, caption=
基准回归结果
, figureFileSmall=null, figureFileBig=null, tableContent=
| 变量 | (1) | (2) | (3) |
| EC | EC | EC |
| AI | -0.074*** | -0.071*** | -0.039*** |
| (-23.77) | (-22.01) | (-10.08) |
| Size | | -0.016*** | -0.005 |
| (-4.18) | (-1.34) |
| SOE | | 0.014 | 0.042*** |
| (1.35) | (3.98) |
| Age | | 0.001** | 0.002*** |
| (2.50) | (3.02) |
| BM | | -0.003 | 0.066*** |
| (-0.15) | (3.16) |
| ROE | | -0.105*** | -0.111*** |
| (-3.45) | (-3.65) |
| Cashflow | | 0.454*** | 0.191*** |
| (7.38) | (3.06) |
| Top1 | | -0.000 | 0.000 |
| (-0.29) | (0.56) |
| 常数项 | 0.271*** | 0.585*** | 0.353*** |
| (54.30) | (7.85) | (3.98) |
| Year/Industry | No | No | Yes |
| 样本数 | 24 945 | 24 945 | 24 945 |
| adj.R2 | 0.015 | 0.017 | 0.051 |
), ArticleFig(id=1176928285788352526, tenantId=1146029695717560320, journalId=1146123222451335185, articleId=1175385804147929504, language=EN, label=null, caption=null, figureFileSmall=null, figureFileBig=null, tableContent=
| 变量 | (1) | (2) | (3) | (4) | (5) |
| EPI2 | EC | EC | AI_dum | EC |
| AI | -0.034*** | | -0.046*** | | -0.050*** |
| (-5.64) | | (-11.58) | | (-11.54) |
| L.AI | | -0.051*** | | | |
| (-10.56) | | | |
| RBT | | | | 0.014*** | |
| | | (7.80) | |
| imr | | | | | -0.068 |
| | | | (-0.68) |
| Size | 0.041*** | -0.003 | 0.003 | 0.176*** | -0.010 |
| (6.57) | (-0.63) | (0.57) | (24.12) | (-0.80) |
| SOE | 0.014 | 0.033*** | 0.025** | -0.253*** | 0.045** |
| (0.92) | (2.76) | (2.03) | (-12.90) | (2.12) |
| Age | -0.004*** | 0.003*** | 0.002*** | -0.018*** | 0.004** |
| (-4.36) | (3.35) | (2.69) | (-15.56) | (2.41) |
| BM | 0.149*** | 0.064*** | 0.009 | -0.501*** | 0.095** |
| (4.70) | (2.59) | (0.38) | (-13.41) | (2.29) |
| ROE | 0.011 | -0.084** | -0.002 | -0.173*** | -0.094*** |
| (0.25) | (-2.43) | (-0.06) | (-3.02) | (-2.72) |
| Cashflow | -0.244*** | 0.262*** | 0.239*** | -0.585*** | 0.237*** |
| (-2.62) | (3.45) | (3.22) | (-4.90) | (2.96) |
| Top1 | -0.001* | -0.000 | -0.001 | -0.008*** | 0.000 |
| (-1.69) | (-0.47) | (-1.64) | (-15.32) | (0.30) |
| 常数项 | -0.814*** | 0.194* | 0.204* | -3.439*** | 0.439 |
| (-6.13) | (1.81) | (1.85) | (-23.19) | (1.34) |
| 样本数 | 24 945 | 23 962 | 13 485 | 24 945 | 24 945 |
| adj.R2 | 0.083 | 0.057 | 0.052 | — | 0.057 |
), ArticleFig(id=1176928285909987344, tenantId=1146029695717560320, journalId=1146123222451335185, articleId=1175385804147929504, language=CN, label=表4, caption=
稳健性与内生性检验結果
, figureFileSmall=null, figureFileBig=null, tableContent=
| 变量 | (1) | (2) | (3) | (4) | (5) |
| EPI2 | EC | EC | AI_dum | EC |
| AI | -0.034*** | | -0.046*** | | -0.050*** |
| (-5.64) | | (-11.58) | | (-11.54) |
| L.AI | | -0.051*** | | | |
| (-10.56) | | | |
| RBT | | | | 0.014*** | |
| | | (7.80) | |
| imr | | | | | -0.068 |
| | | | (-0.68) |
| Size | 0.041*** | -0.003 | 0.003 | 0.176*** | -0.010 |
| (6.57) | (-0.63) | (0.57) | (24.12) | (-0.80) |
| SOE | 0.014 | 0.033*** | 0.025** | -0.253*** | 0.045** |
| (0.92) | (2.76) | (2.03) | (-12.90) | (2.12) |
| Age | -0.004*** | 0.003*** | 0.002*** | -0.018*** | 0.004** |
| (-4.36) | (3.35) | (2.69) | (-15.56) | (2.41) |
| BM | 0.149*** | 0.064*** | 0.009 | -0.501*** | 0.095** |
| (4.70) | (2.59) | (0.38) | (-13.41) | (2.29) |
| ROE | 0.011 | -0.084** | -0.002 | -0.173*** | -0.094*** |
| (0.25) | (-2.43) | (-0.06) | (-3.02) | (-2.72) |
| Cashflow | -0.244*** | 0.262*** | 0.239*** | -0.585*** | 0.237*** |
| (-2.62) | (3.45) | (3.22) | (-4.90) | (2.96) |
| Top1 | -0.001* | -0.000 | -0.001 | -0.008*** | 0.000 |
| (-1.69) | (-0.47) | (-1.64) | (-15.32) | (0.30) |
| 常数项 | -0.814*** | 0.194* | 0.204* | -3.439*** | 0.439 |
| (-6.13) | (1.81) | (1.85) | (-23.19) | (1.34) |
| 样本数 | 24 945 | 23 962 | 13 485 | 24 945 | 24 945 |
| adj.R2 | 0.083 | 0.057 | 0.052 | — | 0.057 |
), ArticleFig(id=1176928286014844948, tenantId=1146029695717560320, journalId=1146123222451335185, articleId=1175385804147929504, language=EN, label=null, caption=null, figureFileSmall=null, figureFileBig=null, tableContent=
| 变量 | (1) | (2) | (3) |
| IC | lnCit | KZ |
| AI | 4.708*** | 0.292*** | -0.154*** |
| (6.84) | (40.57) | (-4.83) |
| Size | 12.629*** | 0.706*** | -0.194*** |
| (17.86) | (92.75) | (-18.15) |
| SOE | 9.007*** | 0.171*** | 7.912*** |
| (5.11) | (8.84) | (137.75) |
| Age | -1.907*** | 0.007*** | 0.852*** |
| (-17.52) | (6.16) | (11.89) |
| BM | 0.996 | -0.970*** | -0.0641 |
| (0.27) | (-25.05) | (-1.29) |
| ROE | 298.039*** | -0.067 | -0.002 53** |
| (58.17) | (-1.19) | (-2.03) |
| Cashflow | 23.439** | -0.277** | -0.084 5*** |
| (2.18) | (-2.34) | (-3.47) |
| Top1 | 0.328*** | -0.003*** | -0.030 0*** |
| (6.69) | (-6.49) | (-37.93) |
| 常数项 | 335.724*** | -13.051*** | 1.623*** |
| (21.91) | (-78.02) | (6.31) |
| 样本数 | 24 945 | 24 945 | 24 945 |
| adj.R2 | 0.168 | 0.542 | 0.569 |
), ArticleFig(id=1176928286144868375, tenantId=1146029695717560320, journalId=1146123222451335185, articleId=1175385804147929504, language=CN, label=表5, caption=
机制检验结果
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| 变量 | (1) | (2) | (3) |
| IC | lnCit | KZ |
| AI | 4.708*** | 0.292*** | -0.154*** |
| (6.84) | (40.57) | (-4.83) |
| Size | 12.629*** | 0.706*** | -0.194*** |
| (17.86) | (92.75) | (-18.15) |
| SOE | 9.007*** | 0.171*** | 7.912*** |
| (5.11) | (8.84) | (137.75) |
| Age | -1.907*** | 0.007*** | 0.852*** |
| (-17.52) | (6.16) | (11.89) |
| BM | 0.996 | -0.970*** | -0.0641 |
| (0.27) | (-25.05) | (-1.29) |
| ROE | 298.039*** | -0.067 | -0.002 53** |
| (58.17) | (-1.19) | (-2.03) |
| Cashflow | 23.439** | -0.277** | -0.084 5*** |
| (2.18) | (-2.34) | (-3.47) |
| Top1 | 0.328*** | -0.003*** | -0.030 0*** |
| (6.69) | (-6.49) | (-37.93) |
| 常数项 | 335.724*** | -13.051*** | 1.623*** |
| (21.91) | (-78.02) | (6.31) |
| 样本数 | 24 945 | 24 945 | 24 945 |
| adj.R2 | 0.168 | 0.542 | 0.569 |
), ArticleFig(id=1176928286249725977, tenantId=1146029695717560320, journalId=1146123222451335185, articleId=1175385804147929504, language=EN, label=null, caption=null, figureFileSmall=null, figureFileBig=null, tableContent=
| 变量 | (1) | (2) | (3) | (4) |
| EC | EC | EC | EC |
| AI | -0.041*** | -0.029*** | -0.059*** | -0.045*** |
| (-5.67) | (-4.10) | (-6.55) | (-7.91) |
| Size | -0.003 | -0.011 | 0.002 | -0.004 |
| (-0.41) | (-1.51) | (0.23) | (-0.71) |
| SOE | 0.002 | 0.040** | 0.054** | 0.019 |
| (0.14) | (2.25) | (2.41) | (1.30) |
| Age | 0.008*** | -0.002** | 0.001 | 0.004*** |
| (7.72) | (-2.07) | (0.74) | (3.90) |
| BM | 0.142*** | 0.038 | -0.006 | 0.126*** |
| (4.06) | (0.97) | (-0.13) | (4.13) |
| ROE | -0.044 | -0.178*** | -0.053 | -0.145*** |
| (-0.92) | (-3.14) | (-1.00) | (-2.69) |
| Cashflow | 0.338*** | 0.135 | 0.104 | 0.351*** |
| (3.25) | (1.21) | (0.75) | (3.80) |
| Top1 | 0.000 | 0.000 | 0.001 | -0.000 |
| (0.11) | (0.37) | (1.26) | (-0.49) |
| 常数项 | 0.187 | 0.404** | 0.076 | 0.328** |
| (1.36) | (2.05) | (0.34) | (2.50) |
| 样本数 | 12 016 | 12 929 | 8 604 | 16 341 |
| adj.R2 | 0.049 | 0.086 | 0.070 | 0.060 |
), ArticleFig(id=1176928286404915230, tenantId=1146029695717560320, journalId=1146123222451335185, articleId=1175385804147929504, language=CN, label=表6, caption=
异质性分析结果
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| 变量 | (1) | (2) | (3) | (4) |
| EC | EC | EC | EC |
| AI | -0.041*** | -0.029*** | -0.059*** | -0.045*** |
| (-5.67) | (-4.10) | (-6.55) | (-7.91) |
| Size | -0.003 | -0.011 | 0.002 | -0.004 |
| (-0.41) | (-1.51) | (0.23) | (-0.71) |
| SOE | 0.002 | 0.040** | 0.054** | 0.019 |
| (0.14) | (2.25) | (2.41) | (1.30) |
| Age | 0.008*** | -0.002** | 0.001 | 0.004*** |
| (7.72) | (-2.07) | (0.74) | (3.90) |
| BM | 0.142*** | 0.038 | -0.006 | 0.126*** |
| (4.06) | (0.97) | (-0.13) | (4.13) |
| ROE | -0.044 | -0.178*** | -0.053 | -0.145*** |
| (-0.92) | (-3.14) | (-1.00) | (-2.69) |
| Cashflow | 0.338*** | 0.135 | 0.104 | 0.351*** |
| (3.25) | (1.21) | (0.75) | (3.80) |
| Top1 | 0.000 | 0.000 | 0.001 | -0.000 |
| (0.11) | (0.37) | (1.26) | (-0.49) |
| 常数项 | 0.187 | 0.404** | 0.076 | 0.328** |
| (1.36) | (2.05) | (0.34) | (2.50) |
| 样本数 | 12 016 | 12 929 | 8 604 | 16 341 |
| adj.R2 | 0.049 | 0.086 | 0.070 | 0.060 |
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