Article(id=1318316510649635266, tenantId=1146029695717560320, journalId=1308397381743640680, issueId=1318316496934261092, articleNumber=null, orderNo=null, doi=null, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=research-article, receivedDate=1749657600000, receivedDateStr=2025-06-12, revisedDate=1754668800000, revisedDateStr=2025-08-09, acceptedDate=null, acceptedDateStr=null, onlineDate=1792240749274, onlineDateStr=2026-10-17, pubDate=1784044800000, pubDateStr=2026-07-15, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1792240749274, onlineIssueDateStr=2026-10-17, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1792240749274, creator=13701087609, updateTime=1792240749274, updator=13701087609, issue=Issue{id=1318316496934261092, tenantId=1146029695717560320, journalId=1308397381743640680, year='2026', volume='44', issue='7', pageStart='1345', pageEnd='1568', issueExtLink='null', onlineDate='null', pubDate='1784044800000', pubDateStr='2026-07-15', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1792240746004, creator='13701087609', updateTime=1792240746004, updator='13701087609', preIssue=null, nextIssue=null, articleTotal=null, ext=null, issueFiles=null, downloadFileDto=null}, startPage=1501, endPage=1512, ext={EN=ArticleExt(id=1318316510876127683, articleId=1318316510649635266, tenantId=1146029695717560320, journalId=1308397381743640680, language=EN, title=Research on the influence mechanism of patent thicket on the high-quality development of enterprises, columnId=1309226334803550422, journalTitle=Studies in Science of Science, columnName=Innovation Explorations, runingTitle=null, highlight=null, articleAbstract=
Against the backdrop of the deep integration between global technological innovation waves and institutional reforms, patent thicket has emerged as a quintessential phenomenon in the evolution of intellectual property systems, characterized by property right fragmentation and unbalanced patent allocation. Despite its growing relevance in modern industrial landscapes, existing literature has not fully explored the specific mechanisms through which its structural contradictions influence the high-quality development of enterprises. This research aims to bridge this gap by adopting a multi-theoretical framework integrating resource-based theory, transaction cost theory, and dynamic capability theory, seeking to systematically dissect the complex interplay between patent thicket dynamics and enterprise development trajectories.
The study constructs a two-dimensional analytical model explicitly incorporating two critical dimensions: density-induced fragmentation costs and quality-driven synergistic benefits. Departing from traditional single-dimensional approaches, this model recognizes patent thicket as an interactive system where the quantitative accumulation of patents and their qualitative attributes co-evolve to shape organizational outcomes. Leveraging a comprehensive dataset of A-share listed companies from 2010 to 2023, the research employs panel data fixed-effect models to establish causal relationships and moderating effect tests to explore contextual contingencies. This empirical strategy enables a nuanced examination of how patent thicket operates across diverse organizational and environmental contexts.
Key findings reveal a dualistic influence of patent thicket on enterprise high-quality development. Specifically, patent thicket density demonstrates a significant inhibitory effect, primarily attributed to escalating transaction costs, innovation bottlenecks, and strategic lock-ins arising from fragmented intellectual property rights. Conversely, patent thicket quality—operationalized through indicators including patent originality, technological centrality, and commercial value—exerts a robust promoting effect by facilitating knowledge spillovers, enhancing competitive positioning, and enabling dynamic capability building.
The study further uncovers that environmental dynamism, characterized by rapid technological changes and market fluctuations, and environmental complexity, reflecting stakeholder diversity and regulatory landscapes, act as positive moderators. These factors amplify both the inhibitory effect of density and the promotive effect of quality, indicating that in volatile environments, challenges posed by patent density intensify while advantages of high-quality patents become more pronounced.
Additionally, the research highlights heterogeneous effects across firm characteristics. Small-scale enterprises exhibit heightened sensitivity to patent density, likely due to their limited resource buffers and bargaining power in patent licensing negotiations. In contrast, high-quality patents demonstrate a more significant innovation-driven effect for enterprises in highly competitive industries, where technological superiority serves as a critical differentiator. These findings illuminate how resource endowment, such as firm size, and market structure, such as industry competitiveness, moderate the patent thicket effect, providing insights into context-specific strategic responses.
By reconstructing patent thicket as an interactive system of density and quality, this study transcends conventional paradigms and offers a more nuanced understanding of its operational laws in dynamic environments. Theoretical contributions include integrating fragmented literatures, proposing a novel analytical framework, and identifying contingency mechanisms. Practically, the findings provide strategic guidance for Chinese enterprises to navigate patent thicket challenges, particularly in formulating balanced patent acquisition strategies, enhancing patent quality management, and adapting to environmental uncertainties. This research thus serves as a vital theoretical anchor for promoting high-quality development within China's evolving innovation ecosystem.
, authors=Peng LI
1, Wen-jing HUANG
1, Hua-tao PENG
1, 2, authorsList=Peng LI, Wen-jing HUANG, Hua-tao PENG, authorCompany=null, correspAuthors=Hua-tao PENG, authorNote=null, correspAuthorsNote=null, copyrightStatement=null, copyrightOwner=null, extLink=null, articleAbsUrl=null, sourceXml=null, magXml=null, pdfUrl=null, pdf=null, pdfFileSize=null, pdfExtLink=null, richHtmlUrl=null, mobilePdfUrl=null, reviewReport=null, pdfFirstPage=null, abstractGraph=null, abstractGraphContent=null, abstractVideo=null, citation=null, cebUrl=null, magXmlContent=null, mapNumber=null, fund=null), CN=ArticleExt(id=1318316511392027076, articleId=1318316510649635266, tenantId=1146029695717560320, journalId=1308397381743640680, language=CN, title=专利丛林对企业高质量发展的影响机制研究, columnId=1309226334996488408, journalTitle=科学学研究, columnName=创新探索, runingTitle=null, highlight=null, articleAbstract=
在全球技术创新浪潮与制度变革深度融合的背景下,专利丛林作为知识产权制度演化过程中产权碎片化与专利权配置失衡的典型现象,其结构性矛盾对企业高质量发展的作用机制尚未可知。本研究基于资源基础理论、交易成本理论和动态能力理论框架,构建包含密度碎片化成本与质量协同收益的双维度分析模型,以2010-2023年A股上市公司为研究对象,采用面板数据固定效应模型与调节效应检验实证研究专利丛林影响企业高质量发展的影响机制。研究发现:专利丛林密度对企业高质量发展具有抑制作用,专利丛林质量具有促进作用;环境动态性和复杂性正向调节专利丛林密度、质量与企业高质量发展之间的关系。小规模企业对专利密度的敏感性更为显著,而高质量专利对高竞争行业企业的创新驱动效应更为显著,揭示了资源禀赋与市场结构对专利丛林效应的差异化机制。本研究突破传统单维度分析框架,将专利丛林重塑为密度与质量的交互作用系统,揭示其在动态环境中的作用规律,为中国经济情境下企业突破专利丛林效应、实现高质量发展提供了理论支撑。
, authors=李鹏
1, 黄文静
1, 彭华涛
1, 2, authorsList=李鹏, 黄文静, 彭华涛, authorCompany=null, correspAuthors=彭华涛, authorNote=
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2022,6., articleTitle=Patenting and standardization: Similarities and differences based on firms' strategic motives and experienced barriers, refAbstract=null)], funds=[Fund(id=1318316516030927345, tenantId=1146029695717560320, journalId=1308397381743640680, articleId=1318316510649635266, awardId=23BGL085, language=CN, fundingSource=国家社会科学基金资助项目(23BGL085), fundOrder=null, country=null)], companyList=[AuthorCompany(id=1318316511626908101, tenantId=1146029695717560320, journalId=1308397381743640680, articleId=1318316510649635266, xref=1, ext=[AuthorCompanyExt(id=1318316511639491014, tenantId=1146029695717560320, journalId=1308397381743640680, articleId=1318316510649635266, companyId=1318316511626908101, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
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1 武汉理工大学创业学院, 湖北武汉 430070)]), AuthorCompany(id=1318316511710794184, tenantId=1146029695717560320, journalId=1308397381743640680, articleId=1318316510649635266, xref=2, ext=[AuthorCompanyExt(id=1318316511719182793, tenantId=1146029695717560320, journalId=1308397381743640680, articleId=1318316510649635266, companyId=1318316511710794184, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
2 School of Management, Wuhan University of Technology, Wuhan 430070, China), AuthorCompanyExt(id=1318316511727571402, tenantId=1146029695717560320, journalId=1308397381743640680, articleId=1318316510649635266, companyId=1318316511710794184, language=CN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
2 武汉理工大学管理学院, 湖北武汉 430070)])], figs=[ArticleFig(id=1318316514999128549, tenantId=1146029695717560320, journalId=1308397381743640680, articleId=1318316510649635266, language=EN, label=Table 1, caption=
Definition and description of main variables
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| 变量维度 | 变量名称 | 变量代码 | 变量说明 |
| 被解释变量 | 高质量发展 | TFP | LP法进行测度,公式见(1)(2) |
| 解释变量 | 专利丛林密度 | Frag | 专利分散指数,公式见(3) |
| 专利丛林质量 | PQ | 知识宽度,公式见(4) |
| 调节变量 | 环境动态性 | Ed | 经行业调整后的环境动态性 |
| 环境复杂性 | Ec | 行业竞争者数量的自然对数 |
| 控制变量 | 董事会规模 | Board | 期末董事会人数的自然对数 |
| 企业年龄 | Age | 企业上市年限加1的自然对数 |
| 企业规模 | Size | 总资产的自然对数 |
| 托宾Q值 | Q | 衡量企业市场价值指标 |
| 资产收益率 | Roe | 净利润/期末资产 |
| 资产负债率 | Lev | 负债/期末资产 |
| 独立董事比例 | PID | 期末独立董事人数/期末董事人数 |
| 两职合一 | CCD | 董事长与总经理两职合一,取值为1,否则取值为0 |
), ArticleFig(id=1318316515074626022, tenantId=1146029695717560320, journalId=1308397381743640680, articleId=1318316510649635266, language=CN, label=表1, caption=
主要变量定义与说明
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| 变量维度 | 变量名称 | 变量代码 | 变量说明 |
| 被解释变量 | 高质量发展 | TFP | LP法进行测度,公式见(1)(2) |
| 解释变量 | 专利丛林密度 | Frag | 专利分散指数,公式见(3) |
| 专利丛林质量 | PQ | 知识宽度,公式见(4) |
| 调节变量 | 环境动态性 | Ed | 经行业调整后的环境动态性 |
| 环境复杂性 | Ec | 行业竞争者数量的自然对数 |
| 控制变量 | 董事会规模 | Board | 期末董事会人数的自然对数 |
| 企业年龄 | Age | 企业上市年限加1的自然对数 |
| 企业规模 | Size | 总资产的自然对数 |
| 托宾Q值 | Q | 衡量企业市场价值指标 |
| 资产收益率 | Roe | 净利润/期末资产 |
| 资产负债率 | Lev | 负债/期末资产 |
| 独立董事比例 | PID | 期末独立董事人数/期末董事人数 |
| 两职合一 | CCD | 董事长与总经理两职合一,取值为1,否则取值为0 |
), ArticleFig(id=1318316515158512103, tenantId=1146029695717560320, journalId=1308397381743640680, articleId=1318316510649635266, language=EN, label=Table 2, caption=
Descriptive statistical analysis
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| 变量 | Mean | Sd | Min | Max |
| 被解释变量 | TFP_LP | 8.609 | 1.028 | 5.205 | 12.83 |
| 解释变量 | PQ | 0.882 | 0.145 | 0 | 0.996 |
| Frag | 0.855 | 0.241 | 0 | 1 |
| 调节变量 | Ed | 1.204 | 1.072 | 0.00867 | 17.42 |
| Ec | 4.646 | 1.052 | 0 | 6.443 |
| 控制变量 | PID | 0.376 | 0.0577 | 0.167 | 0.8 |
| Age | 2.461 | 0.526 | 0.693 | 3.526 |
| Board | 2.136 | 0.201 | 1.099 | 2.89 |
| CCD | 0.251 | 0.434 | 0 | 1 |
| Lev | 0.457 | 0.202 | 0.0108 | 3.166 |
| ROE | 0.019 | 2.858 | -186.6 | 282 |
| Q | 2.049 | 1.454 | 0.641 | 29.17 |
| Size | 22.63 | 1.344 | 17.95 | 28.7 |
), ArticleFig(id=1318316515242398184, tenantId=1146029695717560320, journalId=1308397381743640680, articleId=1318316510649635266, language=CN, label=表2, caption=
描述性统计
, figureFileSmall=null, figureFileBig=null, tableContent=
| 变量 | Mean | Sd | Min | Max |
| 被解释变量 | TFP_LP | 8.609 | 1.028 | 5.205 | 12.83 |
| 解释变量 | PQ | 0.882 | 0.145 | 0 | 0.996 |
| Frag | 0.855 | 0.241 | 0 | 1 |
| 调节变量 | Ed | 1.204 | 1.072 | 0.00867 | 17.42 |
| Ec | 4.646 | 1.052 | 0 | 6.443 |
| 控制变量 | PID | 0.376 | 0.0577 | 0.167 | 0.8 |
| Age | 2.461 | 0.526 | 0.693 | 3.526 |
| Board | 2.136 | 0.201 | 1.099 | 2.89 |
| CCD | 0.251 | 0.434 | 0 | 1 |
| Lev | 0.457 | 0.202 | 0.0108 | 3.166 |
| ROE | 0.019 | 2.858 | -186.6 | 282 |
| Q | 2.049 | 1.454 | 0.641 | 29.17 |
| Size | 22.63 | 1.344 | 17.95 | 28.7 |
), ArticleFig(id=1318316515317895657, tenantId=1146029695717560320, journalId=1308397381743640680, articleId=1318316510649635266, language=EN, label=Table 3, caption=
Analysis of baseline regression results
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| (1) | (2) | (3) | (4) | (5) | (6) |
| lnTFP_LP | lnTFP_LP | lnTFP_LP | lnTFP_LP | lnTFP_LP | lnTFP_LP |
| Frag | -0.004** | | -0.003* | | -0.004** | |
| (0.002) | | (0.002) | | (0.002) | |
| PQ | | 0.012*** | | 0.015*** | | 0.011*** |
| | (0.003) | | (0.003) | | (0.003) |
| Frag_Ec | | | -0.003** | | | |
| | | (0.001) | | | |
| Ec | | | -0.005*** | -0.004** | | |
| | | (0.002) | (0.002) | | |
| PQ_Ec | | | | 0.007** | | |
| | | | (0.003) | | |
| Frag_Ed | | | | | -0.004* | |
| | | | | (0.003) | |
| Ed | | | | | 0.001** | 0.001** |
| | | | | (0.001) | (0.001) |
| PQ_Ed | | | | | | 0.008** |
| | | | | | (0.003) |
| Board | 0.010* | 0.010 | 0.010* | 0.010 | 0.010* | 0.010 |
| (0.006) | (0.006) | (0.006) | (0.006) | (0.006) | (0.006) |
| Roe | -0.000 | -0.000 | -0.000 | -0.000 | -0.000 | -0.000 |
| (0.000) | (0.000) | (0.000) | (0.000) | (0.000) | (0.000) |
| Size | 0.070*** | 0.070*** | 0.070*** | 0.069*** | 0.070*** | 0.069*** |
| (0.002) | (0.002) | (0.002) | (0.002) | (0.002) | (0.002) |
| Lev | -0.010 | -0.009 | -0.010 | -0.010 | -0.010 | -0.010 |
| (0.006) | (0.006) | (0.006) | (0.006) | (0.006) | (0.006) |
| Age | 0.011** | 0.011** | 0.011** | 0.012** | 0.011** | 0.011** |
| (0.005) | (0.005) | (0.005) | (0.005) | (0.005) | (0.005) |
| PID | 0.002 | 0.002 | 0.002 | 0.002 | 0.003 | 0.002 |
| (0.014) | (0.014) | (0.013) | (0.013) | (0.014) | (0.014) |
| Q | 0.003*** | 0.003*** | 0.003*** | 0.003*** | 0.003*** | 0.003*** |
| (0.001) | (0.001) | (0.001) | (0.001) | (0.001) | (0.001) |
| CCD | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 |
| (0.002) | (0.002) | (0.002) | (0.002) | (0.002) | (0.002) |
| _cons | 0.511*** | 0.509*** | 0.533*** | 0.528*** | 0.517*** | 0.519*** |
| (0.046) | (0.046) | (0.046) | (0.046) | (0.046) | (0.046) |
| id | Yes | Yes | Yes | Yes | Yes | Yes |
| year | Yes | Yes | Yes | Yes | Yes | Yes |
| N | 19712 | 19712 | 19712 | 19712 | 19712 | 19712 |
| r2 | 0.927 | 0.927 | 0.927 | 0.927 | 0.927 | 0.927 |
), ArticleFig(id=1318316515414364650, tenantId=1146029695717560320, journalId=1308397381743640680, articleId=1318316510649635266, language=CN, label=表3, caption=
回归结果分析
, figureFileSmall=null, figureFileBig=null, tableContent=
| (1) | (2) | (3) | (4) | (5) | (6) |
| lnTFP_LP | lnTFP_LP | lnTFP_LP | lnTFP_LP | lnTFP_LP | lnTFP_LP |
| Frag | -0.004** | | -0.003* | | -0.004** | |
| (0.002) | | (0.002) | | (0.002) | |
| PQ | | 0.012*** | | 0.015*** | | 0.011*** |
| | (0.003) | | (0.003) | | (0.003) |
| Frag_Ec | | | -0.003** | | | |
| | | (0.001) | | | |
| Ec | | | -0.005*** | -0.004** | | |
| | | (0.002) | (0.002) | | |
| PQ_Ec | | | | 0.007** | | |
| | | | (0.003) | | |
| Frag_Ed | | | | | -0.004* | |
| | | | | (0.003) | |
| Ed | | | | | 0.001** | 0.001** |
| | | | | (0.001) | (0.001) |
| PQ_Ed | | | | | | 0.008** |
| | | | | | (0.003) |
| Board | 0.010* | 0.010 | 0.010* | 0.010 | 0.010* | 0.010 |
| (0.006) | (0.006) | (0.006) | (0.006) | (0.006) | (0.006) |
| Roe | -0.000 | -0.000 | -0.000 | -0.000 | -0.000 | -0.000 |
| (0.000) | (0.000) | (0.000) | (0.000) | (0.000) | (0.000) |
| Size | 0.070*** | 0.070*** | 0.070*** | 0.069*** | 0.070*** | 0.069*** |
| (0.002) | (0.002) | (0.002) | (0.002) | (0.002) | (0.002) |
| Lev | -0.010 | -0.009 | -0.010 | -0.010 | -0.010 | -0.010 |
| (0.006) | (0.006) | (0.006) | (0.006) | (0.006) | (0.006) |
| Age | 0.011** | 0.011** | 0.011** | 0.012** | 0.011** | 0.011** |
| (0.005) | (0.005) | (0.005) | (0.005) | (0.005) | (0.005) |
| PID | 0.002 | 0.002 | 0.002 | 0.002 | 0.003 | 0.002 |
| (0.014) | (0.014) | (0.013) | (0.013) | (0.014) | (0.014) |
| Q | 0.003*** | 0.003*** | 0.003*** | 0.003*** | 0.003*** | 0.003*** |
| (0.001) | (0.001) | (0.001) | (0.001) | (0.001) | (0.001) |
| CCD | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 |
| (0.002) | (0.002) | (0.002) | (0.002) | (0.002) | (0.002) |
| _cons | 0.511*** | 0.509*** | 0.533*** | 0.528*** | 0.517*** | 0.519*** |
| (0.046) | (0.046) | (0.046) | (0.046) | (0.046) | (0.046) |
| id | Yes | Yes | Yes | Yes | Yes | Yes |
| year | Yes | Yes | Yes | Yes | Yes | Yes |
| N | 19712 | 19712 | 19712 | 19712 | 19712 | 19712 |
| r2 | 0.927 | 0.927 | 0.927 | 0.927 | 0.927 | 0.927 |
), ArticleFig(id=1318316515502445035, tenantId=1146029695717560320, journalId=1308397381743640680, articleId=1318316510649635266, language=EN, label=Table 4, caption=
Regression results of robustness test
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| (1) | (2) | (3) | (4) |
| lnTFP_OP | lnTFP_OP | lnTFP_LP | lnTFP_LP |
| Frag | -0.005** | | -0.004** | |
| (0.002) | | (0.002) | |
| PQ | | 0.011*** | | 0.012*** |
| | (0.004) | | (0.004) |
| Board | 0.008 | 0.007 | 0.010 | 0.010 |
| (0.007) | (0.007) | (0.006) | (0.006) |
| Age | 0.007 | 0.007 | 0.011* | 0.011* |
| (0.006) | (0.006) | (0.005) | (0.005) |
| Size | 0.066*** | 0.065*** | 0.070*** | 0.070*** |
| (0.002) | (0.002) | (0.002) | (0.002) |
| Roe | -0.000 | -0.000 | -0.000 | -0.000 |
| (0.000) | (0.000) | (0.000) | (0.000) |
| Q | 0.004*** | 0.004*** | 0.003*** | 0.003*** |
| (0.001) | (0.001) | (0.001) | (0.001) |
| Lev | -0.020** | -0.020** | -0.010 | -0.009 |
| (0.008) | (0.008) | (0.007) | (0.007) |
| PID | -0.000 | -0.001 | 0.002 | 0.002 |
| (0.017) | (0.017) | (0.013) | (0.013) |
| CCD | -0.001 | -0.001 | 0.000 | 0.000 |
| (0.002) | (0.002) | (0.002) | (0.002) |
| _cons | 0.410*** | 0.409*** | 0.511*** | 0.509*** |
| (0.054) | (0.054) | (0.044) | (0.043) |
| id | Yes | Yes | Yes | Yes |
| year | Yes | Yes | Yes | Yes |
| N | 19712 | 19712 | 19712 | 19712 |
| r2 | 0.894 | 0.894 | 0.927 | 0.927 |
), ArticleFig(id=1318316515590525420, tenantId=1146029695717560320, journalId=1308397381743640680, articleId=1318316510649635266, language=CN, label=表4, caption=
稳健性检验回归结果
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| (1) | (2) | (3) | (4) |
| lnTFP_OP | lnTFP_OP | lnTFP_LP | lnTFP_LP |
| Frag | -0.005** | | -0.004** | |
| (0.002) | | (0.002) | |
| PQ | | 0.011*** | | 0.012*** |
| | (0.004) | | (0.004) |
| Board | 0.008 | 0.007 | 0.010 | 0.010 |
| (0.007) | (0.007) | (0.006) | (0.006) |
| Age | 0.007 | 0.007 | 0.011* | 0.011* |
| (0.006) | (0.006) | (0.005) | (0.005) |
| Size | 0.066*** | 0.065*** | 0.070*** | 0.070*** |
| (0.002) | (0.002) | (0.002) | (0.002) |
| Roe | -0.000 | -0.000 | -0.000 | -0.000 |
| (0.000) | (0.000) | (0.000) | (0.000) |
| Q | 0.004*** | 0.004*** | 0.003*** | 0.003*** |
| (0.001) | (0.001) | (0.001) | (0.001) |
| Lev | -0.020** | -0.020** | -0.010 | -0.009 |
| (0.008) | (0.008) | (0.007) | (0.007) |
| PID | -0.000 | -0.001 | 0.002 | 0.002 |
| (0.017) | (0.017) | (0.013) | (0.013) |
| CCD | -0.001 | -0.001 | 0.000 | 0.000 |
| (0.002) | (0.002) | (0.002) | (0.002) |
| _cons | 0.410*** | 0.409*** | 0.511*** | 0.509*** |
| (0.054) | (0.054) | (0.044) | (0.043) |
| id | Yes | Yes | Yes | Yes |
| year | Yes | Yes | Yes | Yes |
| N | 19712 | 19712 | 19712 | 19712 |
| r2 | 0.894 | 0.894 | 0.927 | 0.927 |
), ArticleFig(id=1318316515686994413, tenantId=1146029695717560320, journalId=1308397381743640680, articleId=1318316510649635266, language=EN, label=Table 5, caption=
Regression results of endogeneity test
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| (1) | (2) |
| lnTFP_LP | lnTFP_LP |
| L_Frag | -0.005* | |
| (0.003) | |
| L_PQ | | 0.008** |
| | (0.004) |
| Board | 0.008 | 0.008 |
| (0.007) | (0.007) |
| Size | 0.068*** | 0.067*** |
| (0.003) | (0.002) |
| Age | 0.015** | 0.015** |
| (0.007) | (0.007) |
| Q | 0.004*** | 0.004*** |
| (0.001) | (0.001) |
| Roe | -0.000 | -0.000 |
| (0.000) | (0.000) |
| Lev | -0.013* | -0.013* |
| (0.007) | (0.007) |
| PID | 0.006 | 0.006 |
| (0.015) | (0.015) |
| CCD | -0.001 | -0.001 |
| (0.002) | (0.002) |
| _cons | 0.562*** | 0.559*** |
| (0.056) | (0.056) |
| id | Yes | Yes |
| year | Yes | Yes |
| N | 15435 | 15435 |
| r2 | 0.937 | 0.937 |
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内生性检验回归结果
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| (1) | (2) |
| lnTFP_LP | lnTFP_LP |
| L_Frag | -0.005* | |
| (0.003) | |
| L_PQ | | 0.008** |
| | (0.004) |
| Board | 0.008 | 0.008 |
| (0.007) | (0.007) |
| Size | 0.068*** | 0.067*** |
| (0.003) | (0.002) |
| Age | 0.015** | 0.015** |
| (0.007) | (0.007) |
| Q | 0.004*** | 0.004*** |
| (0.001) | (0.001) |
| Roe | -0.000 | -0.000 |
| (0.000) | (0.000) |
| Lev | -0.013* | -0.013* |
| (0.007) | (0.007) |
| PID | 0.006 | 0.006 |
| (0.015) | (0.015) |
| CCD | -0.001 | -0.001 |
| (0.002) | (0.002) |
| _cons | 0.562*** | 0.559*** |
| (0.056) | (0.056) |
| id | Yes | Yes |
| year | Yes | Yes |
| N | 15435 | 15435 |
| r2 | 0.937 | 0.937 |
), ArticleFig(id=1318316515850572271, tenantId=1146029695717560320, journalId=1308397381743640680, articleId=1318316510649635266, language=EN, label=Table 6, caption=
Regression results of heterogeneity analysis
, figureFileSmall=null, figureFileBig=null, tableContent=
| (1) | (2) | (3) | (4) | (5) | (6) | (7) | (8) |
| 大规模 | 小规模 | 大规模 | 小规模 | 低竞争 | 高竞争 | 低竞争 | 高竞争 |
| lnTFP_LP | lnTFP_LP | lnTFP_LP | lnTFP_LP | lnTFP_LP | lnTFP_LP | lnTFP_LP | lnTFP_LP |
| Frag | -0.003 | -0.005** | | | -0.004* | -0.003 | | |
| (0.002) | (0.002) | | | (0.002) | (0.003) | | |
| PQ | | | 0.003 | 0.013*** | | | 0.005 | 0.014*** |
| | | (0.004) | (0.004) | | | (0.005) | (0.004) |
| Board | -0.003 | 0.016* | -0.003 | 0.016* | 0.004 | 0.015 | 0.004 | 0.015 |
| (0.006) | (0.009) | (0.006) | (0.009) | (0.007) | (0.010) | (0.007) | (0.010) |
| Size | 0.061*** | 0.083*** | 0.060*** | 0.082*** | 0.069*** | 0.065*** | 0.068*** | 0.065*** |
| (0.003) | (0.003) | (0.003) | (0.003) | (0.003) | (0.003) | (0.003) | (0.003) |
| Age | 0.002 | 0.003 | 0.003 | 0.003 | 0.005 | 0.016** | 0.005 | 0.016** |
| (0.007) | (0.008) | (0.007) | (0.008) | (0.007) | (0.007) | (0.007) | (0.007) |
| Q | 0.005*** | 0.003*** | 0.005*** | 0.003*** | 0.003*** | 0.003*** | 0.003*** | 0.003*** |
| (0.001) | (0.001) | (0.001) | (0.001) | (0.001) | (0.001) | (0.001) | (0.001) |
| Roe | 0.002 | -0.000*** | 0.002 | -0.000*** | -0.000 | -0.000 | -0.000 | -0.000 |
| (0.001) | (0.000) | (0.001) | (0.000) | (0.000) | (0.000) | (0.000) | (0.000) |
| PID | -0.013 | 0.037* | -0.013 | 0.036* | -0.012 | 0.012 | -0.013 | 0.012 |
| (0.017) | (0.020) | (0.017) | (0.019) | (0.017) | (0.019) | (0.017) | (0.019) |
| Lev | -0.037*** | -0.004 | -0.037*** | -0.004 | -0.028*** | 0.004 | -0.028*** | 0.004 |
| (0.010) | (0.008) | (0.010) | (0.008) | (0.008) | (0.009) | (0.008) | (0.009) |
| CCD | 0.002 | -0.002 | 0.002 | -0.002 | -0.001 | 0.001 | -0.001 | 0.001 |
| (0.002) | (0.002) | (0.002) | (0.002) | (0.002) | (0.002) | (0.002) | (0.002) |
| _cons | 0.805*** | 0.213*** | 0.805*** | 0.217*** | 0.585*** | 0.579*** | 0.585*** | 0.575*** |
| (0.078) | (0.071) | (0.078) | (0.071) | (0.062) | (0.071) | (0.062) | (0.071) |
| id | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes |
| year | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes |
| N | 9744 | 9704 | 9744 | 9704 | 9528 | 9676 | 9528 | 9676 |
| r2 | 0.923 | 0.856 | 0.923 | 0.857 | 0.947 | 0.924 | 0.947 | 0.925 |
), ArticleFig(id=1318316515921875440, tenantId=1146029695717560320, journalId=1308397381743640680, articleId=1318316510649635266, language=CN, label=表6, caption=
异质性分析回归结果
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| (1) | (2) | (3) | (4) | (5) | (6) | (7) | (8) |
| 大规模 | 小规模 | 大规模 | 小规模 | 低竞争 | 高竞争 | 低竞争 | 高竞争 |
| lnTFP_LP | lnTFP_LP | lnTFP_LP | lnTFP_LP | lnTFP_LP | lnTFP_LP | lnTFP_LP | lnTFP_LP |
| Frag | -0.003 | -0.005** | | | -0.004* | -0.003 | | |
| (0.002) | (0.002) | | | (0.002) | (0.003) | | |
| PQ | | | 0.003 | 0.013*** | | | 0.005 | 0.014*** |
| | | (0.004) | (0.004) | | | (0.005) | (0.004) |
| Board | -0.003 | 0.016* | -0.003 | 0.016* | 0.004 | 0.015 | 0.004 | 0.015 |
| (0.006) | (0.009) | (0.006) | (0.009) | (0.007) | (0.010) | (0.007) | (0.010) |
| Size | 0.061*** | 0.083*** | 0.060*** | 0.082*** | 0.069*** | 0.065*** | 0.068*** | 0.065*** |
| (0.003) | (0.003) | (0.003) | (0.003) | (0.003) | (0.003) | (0.003) | (0.003) |
| Age | 0.002 | 0.003 | 0.003 | 0.003 | 0.005 | 0.016** | 0.005 | 0.016** |
| (0.007) | (0.008) | (0.007) | (0.008) | (0.007) | (0.007) | (0.007) | (0.007) |
| Q | 0.005*** | 0.003*** | 0.005*** | 0.003*** | 0.003*** | 0.003*** | 0.003*** | 0.003*** |
| (0.001) | (0.001) | (0.001) | (0.001) | (0.001) | (0.001) | (0.001) | (0.001) |
| Roe | 0.002 | -0.000*** | 0.002 | -0.000*** | -0.000 | -0.000 | -0.000 | -0.000 |
| (0.001) | (0.000) | (0.001) | (0.000) | (0.000) | (0.000) | (0.000) | (0.000) |
| PID | -0.013 | 0.037* | -0.013 | 0.036* | -0.012 | 0.012 | -0.013 | 0.012 |
| (0.017) | (0.020) | (0.017) | (0.019) | (0.017) | (0.019) | (0.017) | (0.019) |
| Lev | -0.037*** | -0.004 | -0.037*** | -0.004 | -0.028*** | 0.004 | -0.028*** | 0.004 |
| (0.010) | (0.008) | (0.010) | (0.008) | (0.008) | (0.009) | (0.008) | (0.009) |
| CCD | 0.002 | -0.002 | 0.002 | -0.002 | -0.001 | 0.001 | -0.001 | 0.001 |
| (0.002) | (0.002) | (0.002) | (0.002) | (0.002) | (0.002) | (0.002) | (0.002) |
| _cons | 0.805*** | 0.213*** | 0.805*** | 0.217*** | 0.585*** | 0.579*** | 0.585*** | 0.575*** |
| (0.078) | (0.071) | (0.078) | (0.071) | (0.062) | (0.071) | (0.062) | (0.071) |
| id | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes |
| year | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes |
| N | 9744 | 9704 | 9744 | 9704 | 9528 | 9676 | 9528 | 9676 |
| r2 | 0.923 | 0.856 | 0.923 | 0.857 | 0.947 | 0.924 | 0.947 | 0.925 |
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