Article(id=1175385802184999437, tenantId=1146029695717560320, journalId=1146123222451335185, issueId=1175385799072821512, articleNumber=1671-1807(2025)15-0219-08, orderNo=null, doi=null, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1740240000000, receivedDateStr=2025-02-23, revisedDate=null, revisedDateStr=null, acceptedDate=null, acceptedDateStr=null, onlineDate=1758163412853, onlineDateStr=2025-09-18, pubDate=1754755200000, pubDateStr=2025-08-10, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1758163412853, onlineIssueDateStr=2025-09-18, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1758163412853, creator=13701087609, updateTime=1758163412853, 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=219, endPage=226, ext={EN=ArticleExt(id=1175385802692510234, articleId=1175385802184999437, tenantId=1146029695717560320, journalId=1146123222451335185, language=EN, title=Impact of Enterprise Digitalization on New Quality Productivity in the Guangdong-Hong Kong-Macao Greater Bay Area, columnId=1151877659354558495, journalTitle=Science Technology and Industry, columnName=Regional Practice, runingTitle=null, highlight=null, articleAbstract=
Based on the data of Shanghai and Shenzhen A-share listed companies from 2011 to 2022, a two-way fixed effect model was used to study the impact of digital transformation of enterprises in the Guangdong-Hong Kong-Macao Greater Bay Area on new quality productivity. The results show that the digital transformation of enterprises has significantly improved the level of new quality productivity. Mechanism-wise, the digital transformation of enterprises further promotes the development of new quality productivity by optimizing human capital, enhancing innovation quality, overcoming financing constraints, and broadening international perspectives. Heterogeneity analysis indicates that non-state-owned enterprises and high-tech enterprises perform more outstandingly in terms of improving new quality productivity in Guangzhou and Shenzhen.
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基于2011—2022年沪深A股上市公司数据,利用双向固定效应模型分析粤港澳大湾区企业数字化对新质生产力的影响。结果显示,企业数字化显著提升了新质生产力水平。机制方面,企业数字化通过优化人力资本、提升创新质量、克服融资约束、提高国际视野进一步推动新质生产力发展。异质性分析显示,广深地区企业、非国有企业和高科技企业在新质生产力提升方面表现更为优异。
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王一帆(1987—),女,吉林通化人,博士,讲师,研究方向为人口资源与环境经济学。
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王一帆(1987—),女,吉林通化人,博士,讲师,研究方向为人口资源与环境经济学。
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王一帆(1987—),女,吉林通化人,博士,讲师,研究方向为人口资源与环境经济学。
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| 变量 | 维度 | 分项指标 | 指标说明 |
企业 新质 生产 力 | 新质 劳动 力 | 研发人员占比 | 研发人员数量/员工总人数 |
| 高素质员工 | 本科及以上员工数量/员工总人数 |
| 研发人员薪资占比 | 研发费用中的工资薪酬/营业收入 |
| CEO职能经历丰富度 | CEO职能经历计数 |
新质 劳动 资料 | 研发直接投入占比 | 研发直接投入/营业收入 |
| 研发租赁费占比 | 研发租赁费/营业收入 |
| 固定资产占比 | 固定资产/资产总额 |
| 机器人渗透率 | 企业层面机器人渗透率 |
| 智能化水平 | 智能化水平词频加一取对数 |
新质 劳动 对象 | 数字资产占比 | 数字化资产/无形资产 |
| 环境绩效 | 华证ESG(环境、社会和治理)环境评分 |
| 企业创新水平 | 企业申请专利加一取对数 |
| 绿色技术水平 | 企业申请绿色专利加一取对数 |
| 绿色专利占比 | 企业申请绿色专利数/企业申请专利数 |
), ArticleFig(id=1176928376238518493, tenantId=1146029695717560320, journalId=1146123222451335185, articleId=1175385802184999437, language=CN, label=表1, caption=
企业新质生产力评价指标体系
, figureFileSmall=null, figureFileBig=null, tableContent=
| 变量 | 维度 | 分项指标 | 指标说明 |
企业 新质 生产 力 | 新质 劳动 力 | 研发人员占比 | 研发人员数量/员工总人数 |
| 高素质员工 | 本科及以上员工数量/员工总人数 |
| 研发人员薪资占比 | 研发费用中的工资薪酬/营业收入 |
| CEO职能经历丰富度 | CEO职能经历计数 |
新质 劳动 资料 | 研发直接投入占比 | 研发直接投入/营业收入 |
| 研发租赁费占比 | 研发租赁费/营业收入 |
| 固定资产占比 | 固定资产/资产总额 |
| 机器人渗透率 | 企业层面机器人渗透率 |
| 智能化水平 | 智能化水平词频加一取对数 |
新质 劳动 对象 | 数字资产占比 | 数字化资产/无形资产 |
| 环境绩效 | 华证ESG(环境、社会和治理)环境评分 |
| 企业创新水平 | 企业申请专利加一取对数 |
| 绿色技术水平 | 企业申请绿色专利加一取对数 |
| 绿色专利占比 | 企业申请绿色专利数/企业申请专利数 |
), ArticleFig(id=1176928376368541918, tenantId=1146029695717560320, journalId=1146123222451335185, articleId=1175385802184999437, language=EN, label=null, caption=null, figureFileSmall=null, figureFileBig=null, tableContent=
| 变量 | (1) | (2) |
| NQP | NQP |
| Dig | 0.010 1***(0.000 5) | 0.009 6***(0.000 5) |
| Lev | -0.003 0(0.004 2) | |
| Lab | | -0.017 2(0.034 5) |
| Size | | 0.004 0***(0.001 1) |
| Age | | 0.014 2***(0.005 4) |
| ROA | | -0.039 2***(0.007 5) |
| Fix | | 0.043 7***(0.006 1) |
| Dual | | -0.003 3***(0.001 2) |
| Ind | | 0.000 3**(0.000 1) |
| Boa | | 0.017 8***(0.004 5) |
| Sto | | -0.000 1*(0.000 1) |
| Aud | | 0.005 0(0.003 8) |
| 个体效应 | 控制 | 控制 |
| 时间效应 | 控制 | 控制 |
| 样本数 | 2 801 | 2 801 |
| R2 | 0.865 9 | 0.873 4 |
), ArticleFig(id=1176928376460816607, tenantId=1146029695717560320, journalId=1146123222451335185, articleId=1175385802184999437, language=CN, label=表2, caption=
基准回归分析结果
, figureFileSmall=null, figureFileBig=null, tableContent=
| 变量 | (1) | (2) |
| NQP | NQP |
| Dig | 0.010 1***(0.000 5) | 0.009 6***(0.000 5) |
| Lev | -0.003 0(0.004 2) | |
| Lab | | -0.017 2(0.034 5) |
| Size | | 0.004 0***(0.001 1) |
| Age | | 0.014 2***(0.005 4) |
| ROA | | -0.039 2***(0.007 5) |
| Fix | | 0.043 7***(0.006 1) |
| Dual | | -0.003 3***(0.001 2) |
| Ind | | 0.000 3**(0.000 1) |
| Boa | | 0.017 8***(0.004 5) |
| Sto | | -0.000 1*(0.000 1) |
| Aud | | 0.005 0(0.003 8) |
| 个体效应 | 控制 | 控制 |
| 时间效应 | 控制 | 控制 |
| 样本数 | 2 801 | 2 801 |
| R2 | 0.865 9 | 0.873 4 |
), ArticleFig(id=1176928376536314080, tenantId=1146029695717560320, journalId=1146123222451335185, articleId=1175385802184999437, language=EN, label=null, caption=null, figureFileSmall=null, figureFileBig=null, tableContent=
| 变量 | (3) | (4) |
| 行业固定 | 2013—2022年 |
| Dig | 0.009 4***(0.000 5) | 0.009 4***(0.000 6) |
| Lev | -0.004 4(0.004 3) | -0.005 3(0.004 6) |
| Lab | -0.035 4(0.038 8) | -0.015 8(0.038 1) |
| Size | 0.005 5***(0.001 1) | 0.004 1***(0.001 2) |
| Age | 0.011 7**(0.005 6) | 0.006 8(0.007 8) |
| ROA | -0.037 1***(0.007 5) | -0.040 5***(0.007 6) |
| Fix | 0.040 5***(0.006 2) | 0.043 6***(0.006 7) |
| Dual | -0.003 6***(0.001 2) | -0.003 8***(0.001 3) |
| Ind | 0.000 3**(0.000 1) | 0.000 4***(0.000 1) |
| Boa | 0.018 6***(0.004 5) | 0.021 0***(0.004 9) |
| Sto | -0.000 2**(0.000 1) | -0.000 1**(0.000 1) |
| Aud | 0.001 6(0.004 1) | 0.008 1*(0.004 3) |
| 个体效应 | 控制 | 控制 |
| 时间效应 | 控制 | 控制 |
| 行业效应 | 控制 | |
| 样本数 | 2 801 | 2 543 |
| R2 | 0.878 4 | 0.876 0 |
), ArticleFig(id=1176928376636977377, tenantId=1146029695717560320, journalId=1146123222451335185, articleId=1175385802184999437, language=CN, label=表3, caption=
稳健性检验结果
, figureFileSmall=null, figureFileBig=null, tableContent=
| 变量 | (3) | (4) |
| 行业固定 | 2013—2022年 |
| Dig | 0.009 4***(0.000 5) | 0.009 4***(0.000 6) |
| Lev | -0.004 4(0.004 3) | -0.005 3(0.004 6) |
| Lab | -0.035 4(0.038 8) | -0.015 8(0.038 1) |
| Size | 0.005 5***(0.001 1) | 0.004 1***(0.001 2) |
| Age | 0.011 7**(0.005 6) | 0.006 8(0.007 8) |
| ROA | -0.037 1***(0.007 5) | -0.040 5***(0.007 6) |
| Fix | 0.040 5***(0.006 2) | 0.043 6***(0.006 7) |
| Dual | -0.003 6***(0.001 2) | -0.003 8***(0.001 3) |
| Ind | 0.000 3**(0.000 1) | 0.000 4***(0.000 1) |
| Boa | 0.018 6***(0.004 5) | 0.021 0***(0.004 9) |
| Sto | -0.000 2**(0.000 1) | -0.000 1**(0.000 1) |
| Aud | 0.001 6(0.004 1) | 0.008 1*(0.004 3) |
| 个体效应 | 控制 | 控制 |
| 时间效应 | 控制 | 控制 |
| 行业效应 | 控制 | |
| 样本数 | 2 801 | 2 543 |
| R2 | 0.878 4 | 0.876 0 |
), ArticleFig(id=1176928376829915362, tenantId=1146029695717560320, journalId=1146123222451335185, articleId=1175385802184999437, language=EN, label=null, caption=null, figureFileSmall=null, figureFileBig=null, tableContent=
| 变量 | (5) | (6) | (7) | (8) |
| Hum | NQP | Inn | NQP |
| Dig | 0.354 2* | 0.009 4*** | 0.480 8*** | 0.009 3*** |
| (0.212 6) | (0.000 5) | (0.158 0) | (0.000 5) |
| Hum | | 0.000 3*** | | |
| (0.000 0) | | |
| Inn | | | | 0.000 5*** |
| | | (0.000 1) |
| Lev | -8.192 5*** | -0.000 8 | -5.688 2*** | -0.000 3 |
| (1.725 4) | (0.004 2) | (1.282 5) | (0.004 1) |
| Lab | 165.947 7*** | -0.061 9* | -20.258 0* | -0.007 7 |
| (14.281 6) | (0.035 3) | (10.615 6) | (0.034 2) |
| Size | 2.832 5*** | 0.003 2*** | 0.155 8 | 0.003 9*** |
| (0.438 3) | (0.001 1) | (0.325 8) | (0.001 0) |
| Age | -3.587 9 | 0.015 1*** | -3.986 4** | 0.016 0*** |
| (2.251 9) | (0.005 4) | (1.673 8) | (0.005 4) |
| ROA | -15.039 0*** | -0.035 1*** | -11.061 8*** | -0.034 0*** |
| (3.085 5) | (0.007 4) | (2.293 4) | (0.007 4) |
| Fix | -15.950 1*** | 0.048 0*** | -1.543 4 | 0.044 4*** |
| (2.531 9) | (0.006 1) | (1.882 0) | (0.006 1) |
| Dual | -0.425 7 | -0.003 2*** | -0.105 6 | -0.003 3*** |
| (0.496 1) | (0.001 2) | (0.368 8) | (0.001 2) |
| Ind | 0.083 4 | 0.000 3** | 0.014 8 | 0.000 3** |
| (0.051 7) | (0.000 1) | (0.038 4) | (0.000 1) |
| Boa | 3.238 1* | 0.016 9*** | -3.252 7** | 0.019 3*** |
| (1.874 9) | (0.004 5) | (1.393 6) | (0.004 5) |
| Sto | -0.070 3** | -0.000 1 | -0.100 0*** | -0.000 1 |
| (0.027 7) | (0.000 1) | (0.020 6) | (0.000 1) |
| Aud | 10.313 3*** | 0.002 2 | 0.479 9 | 0.004 8 |
| (1.569 8) | (0.003 8) | (1.166 9) | (0.003 8) |
| 个体效应 | 控制 | 控制 | 控制 | 控制 |
| 时间效应 | 控制 | 控制 | 控制 | 控制 |
| 样本数 | 2 801 | 2 801 | 2 801 | 2 801 |
| R2 | 0.900 9 | 0.874 9 | 0.777 1 | 0.876 0 |
), ArticleFig(id=1176928377006076131, tenantId=1146029695717560320, journalId=1146123222451335185, articleId=1175385802184999437, language=CN, label=表4, caption=
机制检验回归结果1
, figureFileSmall=null, figureFileBig=null, tableContent=
| 变量 | (5) | (6) | (7) | (8) |
| Hum | NQP | Inn | NQP |
| Dig | 0.354 2* | 0.009 4*** | 0.480 8*** | 0.009 3*** |
| (0.212 6) | (0.000 5) | (0.158 0) | (0.000 5) |
| Hum | | 0.000 3*** | | |
| (0.000 0) | | |
| Inn | | | | 0.000 5*** |
| | | (0.000 1) |
| Lev | -8.192 5*** | -0.000 8 | -5.688 2*** | -0.000 3 |
| (1.725 4) | (0.004 2) | (1.282 5) | (0.004 1) |
| Lab | 165.947 7*** | -0.061 9* | -20.258 0* | -0.007 7 |
| (14.281 6) | (0.035 3) | (10.615 6) | (0.034 2) |
| Size | 2.832 5*** | 0.003 2*** | 0.155 8 | 0.003 9*** |
| (0.438 3) | (0.001 1) | (0.325 8) | (0.001 0) |
| Age | -3.587 9 | 0.015 1*** | -3.986 4** | 0.016 0*** |
| (2.251 9) | (0.005 4) | (1.673 8) | (0.005 4) |
| ROA | -15.039 0*** | -0.035 1*** | -11.061 8*** | -0.034 0*** |
| (3.085 5) | (0.007 4) | (2.293 4) | (0.007 4) |
| Fix | -15.950 1*** | 0.048 0*** | -1.543 4 | 0.044 4*** |
| (2.531 9) | (0.006 1) | (1.882 0) | (0.006 1) |
| Dual | -0.425 7 | -0.003 2*** | -0.105 6 | -0.003 3*** |
| (0.496 1) | (0.001 2) | (0.368 8) | (0.001 2) |
| Ind | 0.083 4 | 0.000 3** | 0.014 8 | 0.000 3** |
| (0.051 7) | (0.000 1) | (0.038 4) | (0.000 1) |
| Boa | 3.238 1* | 0.016 9*** | -3.252 7** | 0.019 3*** |
| (1.874 9) | (0.004 5) | (1.393 6) | (0.004 5) |
| Sto | -0.070 3** | -0.000 1 | -0.100 0*** | -0.000 1 |
| (0.027 7) | (0.000 1) | (0.020 6) | (0.000 1) |
| Aud | 10.313 3*** | 0.002 2 | 0.479 9 | 0.004 8 |
| (1.569 8) | (0.003 8) | (1.166 9) | (0.003 8) |
| 个体效应 | 控制 | 控制 | 控制 | 控制 |
| 时间效应 | 控制 | 控制 | 控制 | 控制 |
| 样本数 | 2 801 | 2 801 | 2 801 | 2 801 |
| R2 | 0.900 9 | 0.874 9 | 0.777 1 | 0.876 0 |
), ArticleFig(id=1176928377131905252, tenantId=1146029695717560320, journalId=1146123222451335185, articleId=1175385802184999437, language=EN, label=null, caption=null, figureFileSmall=null, figureFileBig=null, tableContent=
| 变量 | (9) | (10) | (11) | (12) |
| Fin | NQP | Int | NQP |
| Dig | -0.007 1*** | 0.009 3*** | 0.626 0** | 0.009 5*** |
| (0.001 3) | (0.000 5) | (0.261 8) | (0.000 5) |
| Fin | | -0.033 3*** | | |
| (0.007 9) | | |
| Int | | | | 0.000 1*** |
| | | (0.000 0) |
| Lev | -0.050 1*** | -0.004 6 | 0.369 6 | -0.003 0 |
| (0.010 8) | (0.004 2) | (2.125 3) | (0.004 2) |
| Lab | -0.079 0 | -0.019 9 | 81.870 5*** | -0.026 3 |
| (0.089 5) | (0.034 4) | (17.591 5) | (0.034 6) |
| Size | -0.010 7*** | 0.003 6*** | 2.720 2*** | 0.003 7*** |
| (0.002 7) | (0.001 1) | (0.539 9) | (0.001 1) |
| Age | -0.056 4*** | 0.012 3** | 10.553 1*** | 0.013 0** |
| (0.014 1) | (0.005 4) | (2.773 8) | (0.005 5) |
| ROA | -0.034 2* | -0.040 3*** | -8.263 7** | -0.038 3*** |
| (0.019 3) | (0.007 4) | (3.800 5) | (0.007 5) |
| Fix | 0.024 9 | 0.044 5*** | 0.056 6 | 0.043 7*** |
| (0.015 9) | (0.006 1) | (3.118 7) | (0.006 1) |
| Dual | 0.000 7 | -0.003 3*** | 0.722 0 | -0.003 4*** |
| (0.003 1) | (0.001 2) | (0.611 1) | (0.001 2) |
| Ind | -0.000 5 | 0.000 3** | -0.204 3*** | 0.000 3** |
| (0.000 3) | (0.000 1) | (0.063 7) | (0.000 1) |
| Boa | -0.014 2 | 0.017 3*** | -6.539 2*** | 0.018 5*** |
| (0.011 7) | (0.004 5) | (2.309 4) | (0.004 5) |
| Sto | 0.001 0*** | -0.000 1 | -0.017 2 | -0.000 1* |
| (0.000 2) | (0.000 1) | (0.034 1) | (0.000 1) |
| Aud | -0.050 5*** | 0.003 3 | 0.477 4 | 0.005 0 |
| (0.009 8) | (0.003 8) | (1.933 6) | (0.003 8) |
| 个体效应 | 控制 | 控制 | 控制 | 控制 |
| 时间效应 | 控制 | 控制 | 控制 | 控制 |
| 样本数 | 2 801 | 2 801 | 2 801 | 2 801 |
| R2 | 0.976 6 | 0.874 3 | 0.839 4 | 0.873 8 |
), ArticleFig(id=1176928377396146405, tenantId=1146029695717560320, journalId=1146123222451335185, articleId=1175385802184999437, language=CN, label=表5, caption=
机制检验回归结果2
, figureFileSmall=null, figureFileBig=null, tableContent=
| 变量 | (9) | (10) | (11) | (12) |
| Fin | NQP | Int | NQP |
| Dig | -0.007 1*** | 0.009 3*** | 0.626 0** | 0.009 5*** |
| (0.001 3) | (0.000 5) | (0.261 8) | (0.000 5) |
| Fin | | -0.033 3*** | | |
| (0.007 9) | | |
| Int | | | | 0.000 1*** |
| | | (0.000 0) |
| Lev | -0.050 1*** | -0.004 6 | 0.369 6 | -0.003 0 |
| (0.010 8) | (0.004 2) | (2.125 3) | (0.004 2) |
| Lab | -0.079 0 | -0.019 9 | 81.870 5*** | -0.026 3 |
| (0.089 5) | (0.034 4) | (17.591 5) | (0.034 6) |
| Size | -0.010 7*** | 0.003 6*** | 2.720 2*** | 0.003 7*** |
| (0.002 7) | (0.001 1) | (0.539 9) | (0.001 1) |
| Age | -0.056 4*** | 0.012 3** | 10.553 1*** | 0.013 0** |
| (0.014 1) | (0.005 4) | (2.773 8) | (0.005 5) |
| ROA | -0.034 2* | -0.040 3*** | -8.263 7** | -0.038 3*** |
| (0.019 3) | (0.007 4) | (3.800 5) | (0.007 5) |
| Fix | 0.024 9 | 0.044 5*** | 0.056 6 | 0.043 7*** |
| (0.015 9) | (0.006 1) | (3.118 7) | (0.006 1) |
| Dual | 0.000 7 | -0.003 3*** | 0.722 0 | -0.003 4*** |
| (0.003 1) | (0.001 2) | (0.611 1) | (0.001 2) |
| Ind | -0.000 5 | 0.000 3** | -0.204 3*** | 0.000 3** |
| (0.000 3) | (0.000 1) | (0.063 7) | (0.000 1) |
| Boa | -0.014 2 | 0.017 3*** | -6.539 2*** | 0.018 5*** |
| (0.011 7) | (0.004 5) | (2.309 4) | (0.004 5) |
| Sto | 0.001 0*** | -0.000 1 | -0.017 2 | -0.000 1* |
| (0.000 2) | (0.000 1) | (0.034 1) | (0.000 1) |
| Aud | -0.050 5*** | 0.003 3 | 0.477 4 | 0.005 0 |
| (0.009 8) | (0.003 8) | (1.933 6) | (0.003 8) |
| 个体效应 | 控制 | 控制 | 控制 | 控制 |
| 时间效应 | 控制 | 控制 | 控制 | 控制 |
| 样本数 | 2 801 | 2 801 | 2 801 | 2 801 |
| R2 | 0.976 6 | 0.874 3 | 0.839 4 | 0.873 8 |
), ArticleFig(id=1176928377584890086, tenantId=1146029695717560320, journalId=1146123222451335185, articleId=1175385802184999437, language=EN, label=null, caption=null, figureFileSmall=null, figureFileBig=null, tableContent=
| 变量 | (13) | (14) | (15) | (16) | (17) | (18) |
| 广深 | 其他 | 国企 | 非国企 | 高科技 | 其他 |
| Dig | 0.009 9*** | 0.007 1*** | 0.008 2*** | 0.009 4*** | 0.009 1*** | 0.008 2*** |
| (0.000 6) | (0.001 0) | (0.000 9) | (0.000 6) | (0.000 6) | (0.000 8) |
| Lev | 0.001 5 | -0.016 7** | -0.021 7*** | -0.003 4 | -0.004 2 | -0.020 5*** |
| (0.005 0) | (0.007 7) | (0.008 4) | (0.005 0) | (0.005 3) | (0.006 2) |
| Lab | -0.019 2 | -0.072 2 | 0.050 1 | -0.059 3 | -0.061 0 | 0.104 5*** |
| (0.038 3) | (0.116 8) | (0.056 1) | (0.044 0) | (0.074 6) | (0.039 1) |
| Size | 0.004 2*** | 0.003 9** | 0.003 6 | 0.004 0*** | 0.003 7*** | 0.004 5*** |
| (0.001 3) | (0.001 8) | (0.002 4) | (0.001 3) | (0.001 3) | (0.001 7) |
| Age | 0.011 8* | 0.030 4*** | 0.030 4*** | -0.000 0 | 0.018 7*** | -0.003 3 |
| (0.006 5) | (0.010 6) | (0.011 3) | (0.006 7) | (0.006 9) | (0.008 5) |
| ROA | -0.045 8*** | -0.022 0* | -0.000 3 | -0.043 9*** | -0.038 1*** | -0.011 0 |
| (0.009 3) | (0.011 9) | (0.016 3) | (0.008 5) | (0.009 0) | (0.012 8) |
| Fix | 0.046 3*** | 0.035 1*** | 0.048 6*** | 0.035 0*** | 0.043 9*** | 0.037 4*** |
| (0.007 3) | (0.011 2) | (0.010 6) | (0.007 5) | (0.007 6) | (0.009 1) |
| Dual | -0.002 2 | -0.005 5*** | -0.005 8** | -0.002 2 | -0.003 4** | -0.005 4** |
| (0.001 5) | (0.001 9) | (0.002 5) | (0.001 4) | (0.001 4) | (0.002 1) |
| Ind | 0.000 3** | 0.000 2 | 0.000 5** | 0.000 2 | 0.000 3** | 0.000 2 |
| (0.000 2) | (0.000 2) | (0.000 2) | (0.000 1) | (0.000 2) | (0.000 2) |
| Boa | 0.016 0*** | 0.022 7*** | 0.010 7 | 0.019 5*** | 0.022 7*** | -0.000 2 |
| (0.005 6) | (0.007 4) | (0.008 3) | (0.005 5) | (0.005 4) | (0.007 9) |
| Sto | -0.000 1 | -0.000 4*** | -0.000 1 | -0.000 1 | -0.000 2** | 0.000 1 |
| (0.000 1) | (0.000 1) | (0.000 1) | (0.000 1) | (0.000 1) | (0.000 1) |
| Aud | 0.001 9 | 0.021 5*** | -0.000 7 | 0.007 6 | 0.002 0 | -0.004 9 |
| (0.004 5) | (0.007 2) | (0.005 0) | (0.005 4) | (0.004 9) | (0.006 7) |
| 个体效应 | 控制 | 控制 | 控制 | 控制 | 控制 | 控制 |
| 时间效应 | 控制 | 控制 | 控制 | 控制 | 控制 | 控制 |
| 样本数 | 2 102 | 698 | 701 | 2 098 | 1 975 | 822 |
| R2 | 0.873 5 | 0.880 1 | 0.899 3 | 0.870 1 | 0.868 5 | 0.820 4 |
), ArticleFig(id=1176928377761050855, tenantId=1146029695717560320, journalId=1146123222451335185, articleId=1175385802184999437, language=CN, label=表6, caption=
异质性回归分析结果
, figureFileSmall=null, figureFileBig=null, tableContent=
| 变量 | (13) | (14) | (15) | (16) | (17) | (18) |
| 广深 | 其他 | 国企 | 非国企 | 高科技 | 其他 |
| Dig | 0.009 9*** | 0.007 1*** | 0.008 2*** | 0.009 4*** | 0.009 1*** | 0.008 2*** |
| (0.000 6) | (0.001 0) | (0.000 9) | (0.000 6) | (0.000 6) | (0.000 8) |
| Lev | 0.001 5 | -0.016 7** | -0.021 7*** | -0.003 4 | -0.004 2 | -0.020 5*** |
| (0.005 0) | (0.007 7) | (0.008 4) | (0.005 0) | (0.005 3) | (0.006 2) |
| Lab | -0.019 2 | -0.072 2 | 0.050 1 | -0.059 3 | -0.061 0 | 0.104 5*** |
| (0.038 3) | (0.116 8) | (0.056 1) | (0.044 0) | (0.074 6) | (0.039 1) |
| Size | 0.004 2*** | 0.003 9** | 0.003 6 | 0.004 0*** | 0.003 7*** | 0.004 5*** |
| (0.001 3) | (0.001 8) | (0.002 4) | (0.001 3) | (0.001 3) | (0.001 7) |
| Age | 0.011 8* | 0.030 4*** | 0.030 4*** | -0.000 0 | 0.018 7*** | -0.003 3 |
| (0.006 5) | (0.010 6) | (0.011 3) | (0.006 7) | (0.006 9) | (0.008 5) |
| ROA | -0.045 8*** | -0.022 0* | -0.000 3 | -0.043 9*** | -0.038 1*** | -0.011 0 |
| (0.009 3) | (0.011 9) | (0.016 3) | (0.008 5) | (0.009 0) | (0.012 8) |
| Fix | 0.046 3*** | 0.035 1*** | 0.048 6*** | 0.035 0*** | 0.043 9*** | 0.037 4*** |
| (0.007 3) | (0.011 2) | (0.010 6) | (0.007 5) | (0.007 6) | (0.009 1) |
| Dual | -0.002 2 | -0.005 5*** | -0.005 8** | -0.002 2 | -0.003 4** | -0.005 4** |
| (0.001 5) | (0.001 9) | (0.002 5) | (0.001 4) | (0.001 4) | (0.002 1) |
| Ind | 0.000 3** | 0.000 2 | 0.000 5** | 0.000 2 | 0.000 3** | 0.000 2 |
| (0.000 2) | (0.000 2) | (0.000 2) | (0.000 1) | (0.000 2) | (0.000 2) |
| Boa | 0.016 0*** | 0.022 7*** | 0.010 7 | 0.019 5*** | 0.022 7*** | -0.000 2 |
| (0.005 6) | (0.007 4) | (0.008 3) | (0.005 5) | (0.005 4) | (0.007 9) |
| Sto | -0.000 1 | -0.000 4*** | -0.000 1 | -0.000 1 | -0.000 2** | 0.000 1 |
| (0.000 1) | (0.000 1) | (0.000 1) | (0.000 1) | (0.000 1) | (0.000 1) |
| Aud | 0.001 9 | 0.021 5*** | -0.000 7 | 0.007 6 | 0.002 0 | -0.004 9 |
| (0.004 5) | (0.007 2) | (0.005 0) | (0.005 4) | (0.004 9) | (0.006 7) |
| 个体效应 | 控制 | 控制 | 控制 | 控制 | 控制 | 控制 |
| 时间效应 | 控制 | 控制 | 控制 | 控制 | 控制 | 控制 |
| 样本数 | 2 102 | 698 | 701 | 2 098 | 1 975 | 822 |
| R2 | 0.873 5 | 0.880 1 | 0.899 3 | 0.870 1 | 0.868 5 | 0.820 4 |
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