Article(id=1153420101719155499, tenantId=1146029695717560320, journalId=1146123222451335185, issueId=1153001424821674657, articleNumber=1671-1807(2025)08-0266-11, orderNo=null, doi=null, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=research-article, receivedDate=1730390400000, receivedDateStr=2024-11-01, revisedDate=null, revisedDateStr=null, acceptedDate=null, acceptedDateStr=null, onlineDate=1752926381759, onlineDateStr=2025-07-19, pubDate=1745510400000, pubDateStr=2025-04-25, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1752926381759, onlineIssueDateStr=2025-07-19, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1752926381759, creator=13701087609, updateTime=1752926381759, updator=13701087609, issue=Issue{id=1153001424821674657, tenantId=1146029695717560320, journalId=1146123222451335185, year='2025', volume='25', issue='8', pageStart='1', pageEnd='368', issueExtLink='null', onlineDate='null', pubDate='null', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=0, createTime=1752826561408, creator=13701087609, updateTime=1763438371676, updator=13701087609, preIssue=null, nextIssue=null, ext={EN=IssueExt(id=1197510583135286126, tenantId=1146029695717560320, journalId=1146123222451335185, issueId=1153001424821674657, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1197510583135286127, tenantId=1146029695717560320, journalId=1146123222451335185, issueId=1153001424821674657, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null}, startPage=266, endPage=276, ext={EN=ArticleExt(id=1153420102348301117, articleId=1153420101719155499, tenantId=1146029695717560320, journalId=1146123222451335185, language=EN, title=Research on the Mechanism Underlying Artificial Intelligence Policy Aimed at Bolstering Enterprises’ Capacities for Intelligent Innovation, columnId=1151877662013747283, journalTitle=Science Technology and Industry, columnName=Policy & Planning, runingTitle=null, highlight=null, articleAbstract=
A comprehensive evaluation index system was developed for assessing the intelligent innovation capabilities of enterprises, integrating data from A-share listed companies and artificial intelligence policies spanning 2010 to 2022.Employing a multi-period difference-in-differences(DID) approach, the effects and mechanisms were investigated through which artificial intelligence policies enhanced enterprise intelligent innovation capabilities. The findings indicate that these policies facilitate improvements in such capabilities by optimizing resource allocation and signaling positively via three primary channels, which are alleviating financing constraints, augmenting research and development investments, and fostering talent aggregation. Notably, the impact is more pronounced among firms located in eastern regions as well as those classified as SRDI, manufacturing, or information technology enterprises. The conclusions drawn from this research offer significant insights for industrial policy formulation and strategies aimed at bolstering enterprise-level intelligent innovation.
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通过构建企业智能创新能力衡量指标,结合2010—2022年A股上市公司和人工智能政策数据,利用多期双重差分法探讨人工智能政策对企业智能创新能力的促进效应及机制。研究发现,人工智能政策通过降低企业融资约束、提高企业科研投入、推动企业人才集聚三种途径优化资源配置和传递积极信号,从而驱动企业智能创新能力提升,该作用在东部、专精特新、制造和信息企业中效果更明显。研究结论对产业和政策布局以及驱动企业智能创新具有重要启示。
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丁子仪(2000—),男,宁夏银川人,硕士研究生,研究方向为企业智能创新、政策分析。
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丁子仪(2000—),男,宁夏银川人,硕士研究生,研究方向为企业智能创新、政策分析。
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丁子仪(2000—),男,宁夏银川人,硕士研究生,研究方向为企业智能创新、政策分析。
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| 变量类型 | 变量名称 | 变量符号 | 变量设定 |
| 被解释变量 | 企业智能 创新能力 | Ability | 企业智能创新专利申请数量取对数[22] |
企业智能 创新质量 | Quality | 企业智能创新专利授权数量取对数 |
| 核心解释变量 | 政策实施 | Policy | 人工智能政策实施虚拟变量 |
| 机制变量 | 融资约束 | FC | SA绝对值 |
| 研发投入 | Invest | 企业当年研发投入资金取对数 |
| 人才集聚 | Talent | 企业当年研发人员数量取对数 |
其他控制 变量 | 年限 | Age | 企业成立年限 |
| 总产值 | Size | 企业总资产取对数 |
| 资产负债率 | Lev | 企业资产负债率:企业总负债/(总资产+1) |
| 资产报酬率 | ROA | 企业资产报酬率:净利润/(总资产+1) |
| 董事会规模 | Board | 董事会人数总数 |
| 两职兼任 | Dual | 董事长兼任总经理取1,不兼任取0 |
), ArticleFig(id=1197613197072052316, tenantId=1146029695717560320, journalId=1146123222451335185, articleId=1153420101719155499, language=CN, label=表1, caption=
变量设定
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| 变量类型 | 变量名称 | 变量符号 | 变量设定 |
| 被解释变量 | 企业智能 创新能力 | Ability | 企业智能创新专利申请数量取对数[22] |
企业智能 创新质量 | Quality | 企业智能创新专利授权数量取对数 |
| 核心解释变量 | 政策实施 | Policy | 人工智能政策实施虚拟变量 |
| 机制变量 | 融资约束 | FC | SA绝对值 |
| 研发投入 | Invest | 企业当年研发投入资金取对数 |
| 人才集聚 | Talent | 企业当年研发人员数量取对数 |
其他控制 变量 | 年限 | Age | 企业成立年限 |
| 总产值 | Size | 企业总资产取对数 |
| 资产负债率 | Lev | 企业资产负债率:企业总负债/(总资产+1) |
| 资产报酬率 | ROA | 企业资产报酬率:净利润/(总资产+1) |
| 董事会规模 | Board | 董事会人数总数 |
| 两职兼任 | Dual | 董事长兼任总经理取1,不兼任取0 |
), ArticleFig(id=1197613197139161181, tenantId=1146029695717560320, journalId=1146123222451335185, articleId=1153420101719155499, language=EN, label=null, caption=null, figureFileSmall=null, figureFileBig=null, tableContent=
| 变量符号 | 观测值 | 均值 | 标准差 | 最小值 | 中位数 | 最大值 |
| Ability | 13 806 | 0.615 | 0.917 | 0.000 | 0.000 | 7.802 |
| Quality | 13 806 | 0.128 | 0.427 | 0.000 | 0.000 | 5.293 |
| Policy | 13 806 | 0.644 | 0.479 | 0.000 | 1.000 | 1.000 |
| FC | 13 806 | 5.902 | 0.839 | 2.415 | 5.806 | 9.375 |
| Invest | 2 551 | 17.857 | 1.187 | 15.122 | 17.808 | 21.135 |
| Talent | 2 050 | 5.456 | 1.073 | 2.197 | 5.407 | 9.400 |
| Age | 13 806 | 17.029 | 5.927 | 2.000 | 17.000 | 64.000 |
| Size | 13 806 | 22.166 | 1.462 | 19.179 | 21.919 | 26.664 |
| Lev | 13 806 | 0.392 | 0.190 | 0.051 | 0.385 | 0.819 |
| ROA | 13 806 | 0.049 | 0.056 | -0.177 | 0.047 | 0.218 |
| Board | 13 460 | 2.236 | 0.183 | 0.000 | 2.303 | 2.944 |
| Dual | 13 806 | 0.328 | 0.469 | 0.000 | 0.000 | 1.000 |
), ArticleFig(id=1197613197218852959, tenantId=1146029695717560320, journalId=1146123222451335185, articleId=1153420101719155499, language=CN, label=表2, caption=
描述性统计
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| 变量符号 | 观测值 | 均值 | 标准差 | 最小值 | 中位数 | 最大值 |
| Ability | 13 806 | 0.615 | 0.917 | 0.000 | 0.000 | 7.802 |
| Quality | 13 806 | 0.128 | 0.427 | 0.000 | 0.000 | 5.293 |
| Policy | 13 806 | 0.644 | 0.479 | 0.000 | 1.000 | 1.000 |
| FC | 13 806 | 5.902 | 0.839 | 2.415 | 5.806 | 9.375 |
| Invest | 2 551 | 17.857 | 1.187 | 15.122 | 17.808 | 21.135 |
| Talent | 2 050 | 5.456 | 1.073 | 2.197 | 5.407 | 9.400 |
| Age | 13 806 | 17.029 | 5.927 | 2.000 | 17.000 | 64.000 |
| Size | 13 806 | 22.166 | 1.462 | 19.179 | 21.919 | 26.664 |
| Lev | 13 806 | 0.392 | 0.190 | 0.051 | 0.385 | 0.819 |
| ROA | 13 806 | 0.049 | 0.056 | -0.177 | 0.047 | 0.218 |
| Board | 13 460 | 2.236 | 0.183 | 0.000 | 2.303 | 2.944 |
| Dual | 13 806 | 0.328 | 0.469 | 0.000 | 0.000 | 1.000 |
), ArticleFig(id=1197613197311127649, tenantId=1146029695717560320, journalId=1146123222451335185, articleId=1153420101719155499, language=EN, label=null, caption=null, figureFileSmall=null, figureFileBig=null, tableContent=
| 变量 | Ability |
| (1) | (2) | (3) | (4) |
| Policy | 0.492*** | 0.479*** | 0.483*** | 0.432*** |
| (0.016) | (0.016) | (0.023) | (0.025) |
| Size | | 0.139*** | 0.185*** | 0.140*** |
| | (0.006) | (0.022) | (0.028) |
| Lev | | -0.239*** | -0.154* | -0.159** |
| | (0.049) | (0.081) | (0.080) |
| ROA | | 0.371*** | 0.012 | 0.071 |
| | (0.141) | (0.169) | (0.173) |
| Board | | -0.010** | -0.014 | -0.010 |
| | (0.005) | (0.010) | (0.011) |
| Dual | | -0.105*** | -0.025 | -0.027 |
| | (0.016) | (0.027) | (0.027) |
| 常数项 | 0.298*** | -2.431*** | -3.582*** | -2.586*** |
| (0.013) | (0.125) | (0.493) | (0.621) |
| 观测值 | 13 806 | 13 806 | 13 682 | 13 682 |
| R2 | 0.066 | 0.102 | 0.629 | 0.631 |
| 固定时间 | NO | NO | NO | YES |
| 固定企业 | NO | NO | YES | YES |
), ArticleFig(id=1197613197399208035, tenantId=1146029695717560320, journalId=1146123222451335185, articleId=1153420101719155499, language=CN, label=表3, caption=
基准回归结果
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| 变量 | Ability |
| (1) | (2) | (3) | (4) |
| Policy | 0.492*** | 0.479*** | 0.483*** | 0.432*** |
| (0.016) | (0.016) | (0.023) | (0.025) |
| Size | | 0.139*** | 0.185*** | 0.140*** |
| | (0.006) | (0.022) | (0.028) |
| Lev | | -0.239*** | -0.154* | -0.159** |
| | (0.049) | (0.081) | (0.080) |
| ROA | | 0.371*** | 0.012 | 0.071 |
| | (0.141) | (0.169) | (0.173) |
| Board | | -0.010** | -0.014 | -0.010 |
| | (0.005) | (0.010) | (0.011) |
| Dual | | -0.105*** | -0.025 | -0.027 |
| | (0.016) | (0.027) | (0.027) |
| 常数项 | 0.298*** | -2.431*** | -3.582*** | -2.586*** |
| (0.013) | (0.125) | (0.493) | (0.621) |
| 观测值 | 13 806 | 13 806 | 13 682 | 13 682 |
| R2 | 0.066 | 0.102 | 0.629 | 0.631 |
| 固定时间 | NO | NO | NO | YES |
| 固定企业 | NO | NO | YES | YES |
), ArticleFig(id=1197613197483094116, tenantId=1146029695717560320, journalId=1146123222451335185, articleId=1153420101719155499, language=EN, label=null, caption=null, figureFileSmall=null, figureFileBig=null, tableContent=
| 变量 | Ability | Ability | Quality | Quality |
| (1) | (2) | (3) | (4) |
| Policy | 0.440*** | 0.432*** | 0.053*** | 0.051*** |
| (0.025) | (0.025) | (0.012) | (0.012) |
| Control | NO | YES | NO | YES |
| 常数项 | 0.331*** | -2.586*** | 0.095*** | -0.692*** |
| (0.016) | (0.621) | (0.008) | (0.243) |
| 观测值 | 13 682 | 13 682 | 13 682 | 13 682 |
| R2 | 0.629 | 0.631 | 0.497 | 0.498 |
| 固定时间 | Yes | Yes | Yes | Yes |
| 固定企业 | Yes | Yes | Yes | Yes |
), ArticleFig(id=1197613197550202982, tenantId=1146029695717560320, journalId=1146123222451335185, articleId=1153420101719155499, language=CN, label=表4, caption=
替换被解释变量:企业智能创新质量
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| 变量 | Ability | Ability | Quality | Quality |
| (1) | (2) | (3) | (4) |
| Policy | 0.440*** | 0.432*** | 0.053*** | 0.051*** |
| (0.025) | (0.025) | (0.012) | (0.012) |
| Control | NO | YES | NO | YES |
| 常数项 | 0.331*** | -2.586*** | 0.095*** | -0.692*** |
| (0.016) | (0.621) | (0.008) | (0.243) |
| 观测值 | 13 682 | 13 682 | 13 682 | 13 682 |
| R2 | 0.629 | 0.631 | 0.497 | 0.498 |
| 固定时间 | Yes | Yes | Yes | Yes |
| 固定企业 | Yes | Yes | Yes | Yes |
), ArticleFig(id=1197613197688615016, tenantId=1146029695717560320, journalId=1146123222451335185, articleId=1153420101719155499, language=EN, label=null, caption=null, figureFileSmall=null, figureFileBig=null, tableContent=
| 变量 | Ability |
政策提前 3年 | 政策提前 2年 | 政策推迟 2年 | 政策推迟 3年 |
| (1) | (2) | (3) | (4) |
| 政策虚拟时间 | -0.009 | 0.019 | 0.095*** | 0.039* |
| (0.025) | (0.024) | (0.023) | (0.023) |
| 常数项 | -2.386*** | -2.278*** | -2.570*** | -2.855*** |
| (0.484) | (0.485) | (0.412) | (0.431) |
| Control | YES | YES | YES | YES |
| 观测值 | 9 540 | 9 557 | 12 754 | 11 889 |
| R2 | 0.650 | 0.650 | 0.623 | 0.633 |
| 固定时间 | YES | YES | YES | YES |
| 固定企业 | YES | YES | YES | YES |
), ArticleFig(id=1197613197759918186, tenantId=1146029695717560320, journalId=1146123222451335185, articleId=1153420101719155499, language=CN, label=表5, caption=
反事实检验
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| 变量 | Ability |
政策提前 3年 | 政策提前 2年 | 政策推迟 2年 | 政策推迟 3年 |
| (1) | (2) | (3) | (4) |
| 政策虚拟时间 | -0.009 | 0.019 | 0.095*** | 0.039* |
| (0.025) | (0.024) | (0.023) | (0.023) |
| 常数项 | -2.386*** | -2.278*** | -2.570*** | -2.855*** |
| (0.484) | (0.485) | (0.412) | (0.431) |
| Control | YES | YES | YES | YES |
| 观测值 | 9 540 | 9 557 | 12 754 | 11 889 |
| R2 | 0.650 | 0.650 | 0.623 | 0.633 |
| 固定时间 | YES | YES | YES | YES |
| 固定企业 | YES | YES | YES | YES |
), ArticleFig(id=1197613197831221356, tenantId=1146029695717560320, journalId=1146123222451335185, articleId=1153420101719155499, language=EN, label=null, caption=null, figureFileSmall=null, figureFileBig=null, tableContent=
| 变量 | Ability | FC | Ability |
| (1) | (2) | (3) |
| FC | | | 0.256*** |
| | | (0.033) |
| Policy | 0.440*** | 0.029*** | 0.432*** |
| (0.019) | (0.006) | (0.019) |
| 常数项 | 0.418*** | 5.517*** | -0.993*** |
| (0.070) | (0.022) | (0.196) |
| Control | YES | YES | YES |
| 观测值 | 13 682 | 13 682 | 13 682 |
| R2 | 0.629 | 0.965 | 0.631 |
| 固定时间 | YES | YES | YES |
| 固定企业 | YES | YES | YES |
| Sobel Tests | 中介效应ab=0.048,z=12.112,P<0.001, Proportion=0.096 |
), ArticleFig(id=1197613197894135918, tenantId=1146029695717560320, journalId=1146123222451335185, articleId=1153420101719155499, language=CN, label=表6, caption=
企业融资约束的中介机制
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| 变量 | Ability | FC | Ability |
| (1) | (2) | (3) |
| FC | | | 0.256*** |
| | | (0.033) |
| Policy | 0.440*** | 0.029*** | 0.432*** |
| (0.019) | (0.006) | (0.019) |
| 常数项 | 0.418*** | 5.517*** | -0.993*** |
| (0.070) | (0.022) | (0.196) |
| Control | YES | YES | YES |
| 观测值 | 13 682 | 13 682 | 13 682 |
| R2 | 0.629 | 0.965 | 0.631 |
| 固定时间 | YES | YES | YES |
| 固定企业 | YES | YES | YES |
| Sobel Tests | 中介效应ab=0.048,z=12.112,P<0.001, Proportion=0.096 |
), ArticleFig(id=1197613197990604912, tenantId=1146029695717560320, journalId=1146123222451335185, articleId=1153420101719155499, language=EN, label=null, caption=null, figureFileSmall=null, figureFileBig=null, tableContent=
| 变量 | Ability | Invest | Ability |
| (1) | (2) | (3) |
| Invest | | | 0.116*** |
| | | (0.041) |
| Policy | 0.432*** | 0.079** | 0.401*** |
| (0.019) | (0.034) | (0.052) |
| 常数项 | -2.586*** | 3.952*** | -2.724** |
| (0.388) | (0.665) | (1.099) |
| Control | YES | YES | YES |
| 观测值 | 13 682 | 2 444 | 2 444 |
| R2 | 0.631 | 0.939 | 0.662 |
| 固定时间 | YES | YES | YES |
| 固定企业 | YES | YES | YES |
| Sobel Tests | 中介效应a*b = 0.087, z =7.237, P<0.001, Proportion=0.189 |
), ArticleFig(id=1197613198061908082, tenantId=1146029695717560320, journalId=1146123222451335185, articleId=1153420101719155499, language=CN, label=表7, caption=
企业创新投入的中介机制
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| 变量 | Ability | Invest | Ability |
| (1) | (2) | (3) |
| Invest | | | 0.116*** |
| | | (0.041) |
| Policy | 0.432*** | 0.079** | 0.401*** |
| (0.019) | (0.034) | (0.052) |
| 常数项 | -2.586*** | 3.952*** | -2.724** |
| (0.388) | (0.665) | (1.099) |
| Control | YES | YES | YES |
| 观测值 | 13 682 | 2 444 | 2 444 |
| R2 | 0.631 | 0.939 | 0.662 |
| 固定时间 | YES | YES | YES |
| 固定企业 | YES | YES | YES |
| Sobel Tests | 中介效应a*b = 0.087, z =7.237, P<0.001, Proportion=0.189 |
), ArticleFig(id=1197613199152427124, tenantId=1146029695717560320, journalId=1146123222451335185, articleId=1153420101719155499, language=EN, label=null, caption=null, figureFileSmall=null, figureFileBig=null, tableContent=
| 变量 | Ability | Talent | Ability |
| (1) | (2) | (3) |
| Talent | | | 0.165** |
| | | (0.071) |
| Policy | 0.432*** | 0.087*** | 0.463*** |
| (0.019) | (0.031) | (0.071) |
| 常数项 | -2.586*** | -6.252*** | 0.637 |
| (0.388) | (0.798) | (1.330) |
| Control | YES | YES | YES |
| 观测值 | 13 682 | 1 928 | 1 928 |
| R2 | 0.631 | 0.961 | 0.710 |
| 固定时间 | YES | YES | YES |
| 固定企业 | YES | YES | YES |
| Sobel Tests | 中介效应a*b = 0.033, z =2.620, P<0.009, Proportion=0.106 |
), ArticleFig(id=1197613199236313206, tenantId=1146029695717560320, journalId=1146123222451335185, articleId=1153420101719155499, language=CN, label=表8, caption=
企业人才集聚的中介机制
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| 变量 | Ability | Talent | Ability |
| (1) | (2) | (3) |
| Talent | | | 0.165** |
| | | (0.071) |
| Policy | 0.432*** | 0.087*** | 0.463*** |
| (0.019) | (0.031) | (0.071) |
| 常数项 | -2.586*** | -6.252*** | 0.637 |
| (0.388) | (0.798) | (1.330) |
| Control | YES | YES | YES |
| 观测值 | 13 682 | 1 928 | 1 928 |
| R2 | 0.631 | 0.961 | 0.710 |
| 固定时间 | YES | YES | YES |
| 固定企业 | YES | YES | YES |
| Sobel Tests | 中介效应a*b = 0.033, z =2.620, P<0.009, Proportion=0.106 |
), ArticleFig(id=1197613199299227768, tenantId=1146029695717560320, journalId=1146123222451335185, articleId=1153420101719155499, language=EN, label=null, caption=null, figureFileSmall=null, figureFileBig=null, tableContent=
| 变量 | Ability |
| 西部地区 | 东北地区 | 中部地区 | 东部地区 |
| (1) | (2) | (3) | (4) |
| Policy | 0.447*** | 0.434*** | 0.443*** | 0.334*** |
| (0.020) | (0.019) | (0.020) | (0.031) |
| 地区 | 0.226 | -0.153 | 0.625** | -0.590** |
| (0.234) | (0.335) | (0.294) | (0.249) |
| Policy×地区 | -0.194*** | -0.066 | -0.065 | 0.129*** |
| (0.049) | (0.098) | (0.040) | (0.033) |
| Control | YES | YES | YES | YES |
| 常数项 | -2.542*** | -2.581*** | -2.687*** | -2.081*** |
| (0.388) | (0.388) | (0.393) | (0.428) |
| 观测值 | 13 682 | 13 682 | 13 682 | 13 682 |
| R2 | 0.632 | 0.631 | 0.632 | 0.632 |
| 固定时间 | YES | YES | YES | YES |
| 固定个体 | YES | YES | YES | YES |
), ArticleFig(id=1197613199370530938, tenantId=1146029695717560320, journalId=1146123222451335185, articleId=1153420101719155499, language=CN, label=表9, caption=
企业区域的异质性
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| 变量 | Ability |
| 西部地区 | 东北地区 | 中部地区 | 东部地区 |
| (1) | (2) | (3) | (4) |
| Policy | 0.447*** | 0.434*** | 0.443*** | 0.334*** |
| (0.020) | (0.019) | (0.020) | (0.031) |
| 地区 | 0.226 | -0.153 | 0.625** | -0.590** |
| (0.234) | (0.335) | (0.294) | (0.249) |
| Policy×地区 | -0.194*** | -0.066 | -0.065 | 0.129*** |
| (0.049) | (0.098) | (0.040) | (0.033) |
| Control | YES | YES | YES | YES |
| 常数项 | -2.542*** | -2.581*** | -2.687*** | -2.081*** |
| (0.388) | (0.388) | (0.393) | (0.428) |
| 观测值 | 13 682 | 13 682 | 13 682 | 13 682 |
| R2 | 0.632 | 0.631 | 0.632 | 0.632 |
| 固定时间 | YES | YES | YES | YES |
| 固定个体 | YES | YES | YES | YES |
), ArticleFig(id=1197613199437639804, tenantId=1146029695717560320, journalId=1146123222451335185, articleId=1153420101719155499, language=EN, label=null, caption=null, figureFileSmall=null, figureFileBig=null, tableContent=
| 变量 | Ability |
| 专精特新认证 | 制造业 | 信息行业 |
| (1) | (2) | (3) |
| Policy | 0.408*** | 0.350*** | 0.423*** |
| (0.021) | (0.027) | (0.020) |
认证 行业 | 0.028 | -0.054 | 0.074 |
| (0.039) | (0.060) | (0.084) |
Policy×认证 Policy×行业 | 0.108*** | 0.109*** | 0.103** |
| (0.033) | (0.030) | (0.044) |
| 常数项 | -2.663*** | -2.553*** | -2.524*** |
| (0.391) | (0.393) | (0.388) |
| Control | YES | YES | YES |
| 观测值 | 13 682 | 13 682 | 13 682 |
| R2 | 0.632 | 0.632 | 0.632 |
| 固定时间 | YES | YES | YES |
| 固定个体 | YES | YES | YES |
), ArticleFig(id=1197613199534108798, tenantId=1146029695717560320, journalId=1146123222451335185, articleId=1153420101719155499, language=CN, label=表10, caption=
企业认证和行业的异质性
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| 变量 | Ability |
| 专精特新认证 | 制造业 | 信息行业 |
| (1) | (2) | (3) |
| Policy | 0.408*** | 0.350*** | 0.423*** |
| (0.021) | (0.027) | (0.020) |
认证 行业 | 0.028 | -0.054 | 0.074 |
| (0.039) | (0.060) | (0.084) |
Policy×认证 Policy×行业 | 0.108*** | 0.109*** | 0.103** |
| (0.033) | (0.030) | (0.044) |
| 常数项 | -2.663*** | -2.553*** | -2.524*** |
| (0.391) | (0.393) | (0.388) |
| Control | YES | YES | YES |
| 观测值 | 13 682 | 13 682 | 13 682 |
| R2 | 0.632 | 0.632 | 0.632 |
| 固定时间 | YES | YES | YES |
| 固定个体 | YES | YES | YES |
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