Article(id=1153992828154798952, tenantId=1146029695717560320, journalId=1146123222451335185, issueId=1153992827261412198, articleNumber=1671-1807(2025)05-0295-06, orderNo=null, doi=null, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=research-article, receivedDate=1726761600000, receivedDateStr=2024-09-20, revisedDate=null, revisedDateStr=null, acceptedDate=null, acceptedDateStr=null, onlineDate=1753062930382, onlineDateStr=2025-07-21, pubDate=1741536000000, pubDateStr=2025-03-10, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1753062930382, onlineIssueDateStr=2025-07-21, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1753062930382, creator=13701087609, updateTime=1753062930382, updator=13701087609, issue=Issue{id=1153992827261412198, tenantId=1146029695717560320, journalId=1146123222451335185, year='2025', volume='25', issue='5', 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=1753062930169, creator=13701087609, updateTime=1753063450817, updator=13701087609, preIssue=null, nextIssue=null, ext={EN=IssueExt(id=1153995011059340165, tenantId=1146029695717560320, journalId=1146123222451335185, issueId=1153992827261412198, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1153995011063534470, tenantId=1146029695717560320, journalId=1146123222451335185, issueId=1153992827261412198, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null}, startPage=295, endPage=300, ext={EN=ArticleExt(id=1153992828972688242, articleId=1153992828154798952, tenantId=1146029695717560320, journalId=1146123222451335185, language=EN, title=Impact of Intellectual Property Protection on Technology Mergers and Acquisitions in Different Locations: Based on the Panel Data of 266 City Pairs in Jiangsu Province and Zhejiang Province, columnId=1151877663716159826, journalTitle=Science Technology and Industry, columnName=Enterprise Application, runingTitle=null, highlight=null, articleAbstract=
Based on panel data of 266 city pairs from 2008 to 2021 in Jiangsu and Zhejiang Provinces, a Probit model was utilized to delve into the impact of intellectual property(IP) protection on corporate technology mergers and acquisitions(M&A). It is found that establishing IP courts can significantly enhance the activity in technology M&A. To ensure the robustness of our findings, interference from other policy changes was controlled. A counterfactual test and key city data exclusion method were employed, further verifying the positive role of IP court establishment in promoting corporate technology M&A activities. The findings can provide strong empirical evidence for strengthening the IP protection mechanism and stimulating the vitality of technology M&A, which is crucial for regional economic development.
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基于2008—2021年江苏省与浙江省266个城市对的面板数据,采用Probit模型深入探讨知识产权法庭设立对企业技术并购活动的影响。实证结果揭示,知识产权法庭的建立显著增强了企业在技术并购领域的活跃性。为确保研究结果的稳健性,排除了其他政策变动可能带来的干扰,并运用反事实检验与关键城市数据剔除法,进一步检验知识产权法庭设立对促进企业技术并购活动的积极作用。研究发现为强化知识产权保护机制及激发技术并购活力提供了有力的经验证据。
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贾佳丽(1999—),女,河北保定人,硕士研究生,研究方向为区域经济与可持续发展。
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贾佳丽(1999—),女,河北保定人,硕士研究生,研究方向为区域经济与可持续发展。
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2023(5): 85-103., articleTitle=知识产权司法保护与企业进口技术复杂度: 基于知识产权案件“三审合一”的准自然实验, refAbstract=null)], funds=[Fund(id=1245743559979152037, tenantId=1146029695717560320, journalId=1146123222451335185, articleId=1153992828154798952, awardId=2024-A101, language=CN, fundingSource=甘肃省高校教师创新基金(2024-A101), fundOrder=null, country=null), Fund(id=1245743560109175475, tenantId=1146029695717560320, journalId=1146123222451335185, articleId=1153992828154798952, awardId=2024027, language=CN, fundingSource=甘肃政法大学科研创新项目(2024027), fundOrder=null, country=null)], companyList=[AuthorCompany(id=1245743555021484376, tenantId=1146029695717560320, journalId=1146123222451335185, articleId=1153992828154798952, xref=null, ext=[AuthorCompanyExt(id=1245743555038261596, tenantId=1146029695717560320, journalId=1146123222451335185, articleId=1153992828154798952, companyId=1245743555021484376, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=School of Economics, Gansu University of Political Science and Law, Lanzhou 730070, China), AuthorCompanyExt(id=1245743555050844512, tenantId=1146029695717560320, journalId=1146123222451335185, articleId=1153992828154798952, companyId=1245743555021484376, language=CN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=甘肃政法大学经济学院, 兰州 730070)])], figs=[ArticleFig(id=1245743558469202453, tenantId=1146029695717560320, journalId=1146123222451335185, articleId=1153992828154798952, language=EN, label=null, caption=null, figureFileSmall=null, figureFileBig=null, tableContent=
| 变量 | 指标 | 样本数 | 均值 | 标准差 | 最小值 | 最大值 |
| Policy | 知识产权法庭设立 | 3 724 | 0.166 | 0.373 | 0.000 | 1.000 |
| Tchmerge | 企业技术并购 | 3 724 | 0.007 | 0.084 | 0.000 | 1.000 |
| Trade | 贸易差异 | 3 724 | 0.002 | 0.006 | 0.000 | 0.065 |
| GDP | 经济规模差距 | 3 724 | 4.418 | 3.289 | 0.01 | 46.775 |
| Market | 市场结构差异 | 3 724 | 0.539 | 0.135 | 0.099 | 1.106 |
| Indu | 工业发展水平差异 | 3 724 | 0.367 | 0.107 | 0.000 | 1.013 |
| FV | 交通网络建设差异 | 3 724 | 13.000 | 1.164 | 5.468 | 17.762 |
), ArticleFig(id=1245743558586642980, tenantId=1146029695717560320, journalId=1146123222451335185, articleId=1153992828154798952, language=CN, label=表1, caption=
描述性统计结果
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| 变量 | 指标 | 样本数 | 均值 | 标准差 | 最小值 | 最大值 |
| Policy | 知识产权法庭设立 | 3 724 | 0.166 | 0.373 | 0.000 | 1.000 |
| Tchmerge | 企业技术并购 | 3 724 | 0.007 | 0.084 | 0.000 | 1.000 |
| Trade | 贸易差异 | 3 724 | 0.002 | 0.006 | 0.000 | 0.065 |
| GDP | 经济规模差距 | 3 724 | 4.418 | 3.289 | 0.01 | 46.775 |
| Market | 市场结构差异 | 3 724 | 0.539 | 0.135 | 0.099 | 1.106 |
| Indu | 工业发展水平差异 | 3 724 | 0.367 | 0.107 | 0.000 | 1.013 |
| FV | 交通网络建设差异 | 3 724 | 13.000 | 1.164 | 5.468 | 17.762 |
), ArticleFig(id=1245743558737637936, tenantId=1146029695717560320, journalId=1146123222451335185, articleId=1153992828154798952, language=EN, label=null, caption=null, figureFileSmall=null, figureFileBig=null, tableContent=
| 变量 | (1) | (2) | (3) | (4) |
| Tchmerge | Tchmerge | Tchmerge1 | Tchmerge2 |
| Policy | 0.622 2*** | 0.541 3*** | 0.548 7** | 0.403 1** |
| (0.170 2) | (0.170 1) | (0.216 7) | (0.1853 ) |
| IN | | -0.325 2* | -0.603 8*** | 0.021 8 |
| | (0.170 0) | (0.210 9) | (0.201 5) |
| Trade | | 0.092 0 | 0.171 4 | 0.211 2 |
| | (0.162 6) | (0.208 9) | (0.188 0) |
| GDP | | 0.288 3 | 1.136 3*** | -0.178 3 |
| | (0.324 3) | (0.437 2) | (0.372 9) |
| Market | | -0.216 9** | -0.350 7** | -0.002 8 |
| | (0.101 0) | (0.136 3) | (0.108 9) |
| Indu | | -0.031 6 | -0.512 3** | 0.008 7 |
| | (0.182 4) | (0.225 6) | (0.198 5) |
| FV | | -0.033 1 | -0.246 0 | 0.034 4 |
| | (0.111 3) | (0.157 4) | (0.128 5) |
| 常数项 | -2.814 6*** | -2.742 5*** | -3.288 9*** | -2.778 5*** |
| (0.212 2) | (0.216 5) | (0.334 4) | (0.236 4) |
| 样本数 | 3 724 | 3 724 | 3 724 | 3 724 |
| 城市对数 | 266 | 266 | 266 | 266 |
), ArticleFig(id=1245743558905410111, tenantId=1146029695717560320, journalId=1146123222451335185, articleId=1153992828154798952, language=CN, label=表2, caption=
基准回归结果
, figureFileSmall=null, figureFileBig=null, tableContent=
| 变量 | (1) | (2) | (3) | (4) |
| Tchmerge | Tchmerge | Tchmerge1 | Tchmerge2 |
| Policy | 0.622 2*** | 0.541 3*** | 0.548 7** | 0.403 1** |
| (0.170 2) | (0.170 1) | (0.216 7) | (0.1853 ) |
| IN | | -0.325 2* | -0.603 8*** | 0.021 8 |
| | (0.170 0) | (0.210 9) | (0.201 5) |
| Trade | | 0.092 0 | 0.171 4 | 0.211 2 |
| | (0.162 6) | (0.208 9) | (0.188 0) |
| GDP | | 0.288 3 | 1.136 3*** | -0.178 3 |
| | (0.324 3) | (0.437 2) | (0.372 9) |
| Market | | -0.216 9** | -0.350 7** | -0.002 8 |
| | (0.101 0) | (0.136 3) | (0.108 9) |
| Indu | | -0.031 6 | -0.512 3** | 0.008 7 |
| | (0.182 4) | (0.225 6) | (0.198 5) |
| FV | | -0.033 1 | -0.246 0 | 0.034 4 |
| | (0.111 3) | (0.157 4) | (0.128 5) |
| 常数项 | -2.814 6*** | -2.742 5*** | -3.288 9*** | -2.778 5*** |
| (0.212 2) | (0.216 5) | (0.334 4) | (0.236 4) |
| 样本数 | 3 724 | 3 724 | 3 724 | 3 724 |
| 城市对数 | 266 | 266 | 266 | 266 |
), ArticleFig(id=1245743559136096850, tenantId=1146029695717560320, journalId=1146123222451335185, articleId=1153992828154798952, language=EN, label=null, caption=null, figureFileSmall=null, figureFileBig=null, tableContent=
| 变量 | (1) | (2) | (3) | (4) | (5) |
| xtlogit | 知识产权示范城市 | 长三角政策 | 反事实检验 | 剔除重点城市 |
| Policy | 1.246 3*** | 0.488 9*** | 0.563 9*** | | 0.639 3*** |
| (0.439 0) | (0.170 6) | (0.172 4) | | (0.236 8) |
| Policy2 | | 0.441 0** | | | |
| | (0.191 2) | | | |
| Policy3 | | | -0.144 7 | | |
| | | (0.186 7) | | |
| Policy2022 | | | | 0.217 1 | |
| | | | (0.200 1) | |
| 控制变量 | 控制 | 控制 | 控制 | 控制 | 控制 |
| 常数项 | -5.714*** | -2.749*** | -4.471 | -2.588*** | -2.992*** |
| (0.480 9) | (0.213 8) | (11.854 8) | (0.088 5) | (0.172 3) |
| 样本数 | 3 724 | 3 724 | 3 724 | 3 724 | 2 800 |
| 城市对数 | 266 | 266 | 266 | 266 | 200 |
), ArticleFig(id=1245743559308063333, tenantId=1146029695717560320, journalId=1146123222451335185, articleId=1153992828154798952, language=CN, label=表3, caption=
稳健性检验结果
, figureFileSmall=null, figureFileBig=null, tableContent=
| 变量 | (1) | (2) | (3) | (4) | (5) |
| xtlogit | 知识产权示范城市 | 长三角政策 | 反事实检验 | 剔除重点城市 |
| Policy | 1.246 3*** | 0.488 9*** | 0.563 9*** | | 0.639 3*** |
| (0.439 0) | (0.170 6) | (0.172 4) | | (0.236 8) |
| Policy2 | | 0.441 0** | | | |
| | (0.191 2) | | | |
| Policy3 | | | -0.144 7 | | |
| | | (0.186 7) | | |
| Policy2022 | | | | 0.217 1 | |
| | | | (0.200 1) | |
| 控制变量 | 控制 | 控制 | 控制 | 控制 | 控制 |
| 常数项 | -5.714*** | -2.749*** | -4.471 | -2.588*** | -2.992*** |
| (0.480 9) | (0.213 8) | (11.854 8) | (0.088 5) | (0.172 3) |
| 样本数 | 3 724 | 3 724 | 3 724 | 3 724 | 2 800 |
| 城市对数 | 266 | 266 | 266 | 266 | 200 |
), ArticleFig(id=1245743559471641209, tenantId=1146029695717560320, journalId=1146123222451335185, articleId=1153992828154798952, language=EN, label=null, caption=null, figureFileSmall=null, figureFileBig=null, tableContent=
| 变量 | (1) | (3) | (5) | (7) |
| 人口规模 | 行政级别 | 第二产业 | 第三产业 |
| Policy×people | 0.875 9* | | | |
| (0.502 0) | | | |
| Policy×gover | | 0.865 8** | | |
| | (0.426 6) | | |
| Policy | 0.374 2** | 0.347 5* | 0.515 1*** | 0.664 4* |
| (0.187 2) | (0.196 6) | (0.189 5) | (0.386 6) |
| people | 1.089 5*** | | | |
| (0.3452) | | | |
| gover | | 0.858 7*** | | |
| | (0.273 9) | | |
| 控制变量 | 控制 | 控制 | 控制 | 控制 |
| 常数项 | -2.877 4*** | -2.896 0*** | -2.845 7*** | -3.660 5*** |
| (0.125 2) | (0.129 4) | (0.259 1) | (0.361 6) |
| 样本数 | 3 724 | 3 724 | 3 724 | 3 724 |
| 城市对数 | 266 | 266 | 266 | 266 |
), ArticleFig(id=1245743559635219078, tenantId=1146029695717560320, journalId=1146123222451335185, articleId=1153992828154798952, language=CN, label=表4, caption=
异质性分析结果
, figureFileSmall=null, figureFileBig=null, tableContent=
| 变量 | (1) | (3) | (5) | (7) |
| 人口规模 | 行政级别 | 第二产业 | 第三产业 |
| Policy×people | 0.875 9* | | | |
| (0.502 0) | | | |
| Policy×gover | | 0.865 8** | | |
| | (0.426 6) | | |
| Policy | 0.374 2** | 0.347 5* | 0.515 1*** | 0.664 4* |
| (0.187 2) | (0.196 6) | (0.189 5) | (0.386 6) |
| people | 1.089 5*** | | | |
| (0.3452) | | | |
| gover | | 0.858 7*** | | |
| | (0.273 9) | | |
| 控制变量 | 控制 | 控制 | 控制 | 控制 |
| 常数项 | -2.877 4*** | -2.896 0*** | -2.845 7*** | -3.660 5*** |
| (0.125 2) | (0.129 4) | (0.259 1) | (0.361 6) |
| 样本数 | 3 724 | 3 724 | 3 724 | 3 724 |
| 城市对数 | 266 | 266 | 266 | 266 |
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