Article(id=1174390602218221754, tenantId=1146029695717560320, journalId=1146123222451335185, issueId=1174385906053165285, articleNumber=1671-1807(2025)14-0227-08, orderNo=null, doi=null, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1737561600000, receivedDateStr=2025-01-23, revisedDate=null, revisedDateStr=null, acceptedDate=null, acceptedDateStr=null, onlineDate=1757926138691, onlineDateStr=2025-09-15, pubDate=1753372800000, pubDateStr=2025-07-25, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1757926138691, onlineIssueDateStr=2025-09-15, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1757926138691, creator=13701087609, updateTime=1757926138691, updator=13701087609, issue=Issue{id=1174385906053165285, tenantId=1146029695717560320, journalId=1146123222451335185, year='2025', volume='25', issue='14', pageStart='1', pageEnd='286', issueExtLink='null', onlineDate='null', pubDate='null', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1757925019038, creator=13701087609, updateTime=1758072769121, updator=13701087609, preIssue=null, nextIssue=null, ext={EN=IssueExt(id=1175005614947316471, tenantId=1146029695717560320, journalId=1146123222451335185, issueId=1174385906053165285, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1175005614947316472, tenantId=1146029695717560320, journalId=1146123222451335185, issueId=1174385906053165285, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null}, startPage=227, endPage=234, ext={EN=ArticleExt(id=1174390602658623677, articleId=1174390602218221754, tenantId=1146029695717560320, journalId=1146123222451335185, language=EN, title=Combined Effects of Intellectual Property Protection and Research Funding Input on the Scientific Research Output of Universities, columnId=1151877662013747283, journalTitle=Science Technology and Industry, columnName=Policy & Planning, runingTitle=null, highlight=null, articleAbstract=
Intellectual property protection and scientific research investment are important policy tools to promote scientific research in colleges and universities. Based on the perspective of policy mix, the relevant provincial data from 2008 to 2022 was used, and the propensity score matching method was applied to study the absolute effect and incentive effect of different policy mix on the scientific research output of universities, and heterogeneity test by region was conducted. The results show that the policy combination of high intellectual property protection and high scientific research investment has a significant role in promoting the scientific research output of universities. Compared with high IPR protection and low IPR protection and high IPR protection, high IPR protection and high IPR protection have a greater role in promoting the scientific research output of universities.
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知识产权保护与科研经费投入是推动高校科研工作的重要政策工具。基于政策组合视角,采用2008—2022年的相关省域数据,运用倾向得分匹配方法研究不同政策组合对高校科研产出的绝对效应及其激励效果差异,并分地区进行异质性检验。研究发现:高知识产权保护与高科研经费投入的政策组合对高校科研产出有着显著的促进作用;与高知识产权保护低科研经费投入、低知识产权保护高科研经费投入相比,高知识产权保护高科研经费投入对高校科研产出的促进作用更大。
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杨剑(1979—),男,安徽芜湖人,博士,教授,研究方向为科技政策、绩效评价;
郑婉婷(2000—),女,河南周口人,硕士研究生,研究方向为科技政策、绩效评价。
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杨剑(1979—),男,安徽芜湖人,博士,教授,研究方向为科技政策、绩效评价;
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杨剑(1979—),男,安徽芜湖人,博士,教授,研究方向为科技政策、绩效评价;
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郑婉婷(2000—),女,河南周口人,硕士研究生,研究方向为科技政策、绩效评价。
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郑婉婷(2000—),女,河南周口人,硕士研究生,研究方向为科技政策、绩效评价。
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25(4): 123-136., articleTitle=中国高校科技产出绩效评测及影响因素研究, refAbstract=null), Reference(id=1175038806504915472, tenantId=1146029695717560320, journalId=1146123222451335185, articleId=1174390602218221754, doi=null, pmid=null, pmcid=null, year=2023, volume=null, issue=3, pageStart=128, pageEnd=144, url=null, language=null, rfNumber=[16], rfOrder=15, authorNames=武元浩, 巴雅尔满来, 张文春, journalName=中国人民大学教育学刊, refType=null, unstructuredReference=武元浩, 巴雅尔满来, 张文春. 我国“一流大学”建设高校科研创新效率测度及影响因素分析——基于三阶段DEA模型的实证研究[J].
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41(1): 103-116., articleTitle=The bias due to incomplete matching, refAbstract=null)], funds=[Fund(id=1175038804978188800, tenantId=1146029695717560320, journalId=1146123222451335185, articleId=1174390602218221754, awardId=23YJA630115, language=CN, fundingSource=教育部人文社科一般项目(23YJA630115), fundOrder=null, country=null)], companyList=[AuthorCompany(id=1175038801333338581, tenantId=1146029695717560320, journalId=1146123222451335185, articleId=1174390602218221754, xref=null, ext=[AuthorCompanyExt(id=1175038801337532886, tenantId=1146029695717560320, journalId=1146123222451335185, articleId=1174390602218221754, companyId=1175038801333338581, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=School of Management, Anhui University, Hefei 230031, China), AuthorCompanyExt(id=1175038801345921495, tenantId=1146029695717560320, journalId=1146123222451335185, articleId=1174390602218221754, companyId=1175038801333338581, language=CN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=安徽大学管理学院, 合肥 230031)])], figs=[ArticleFig(id=1175038802423857640, tenantId=1146029695717560320, journalId=1146123222451335185, articleId=1174390602218221754, language=EN, label=null, caption=null, figureFileSmall=null, figureFileBig=null, tableContent=
| 获得政策支持类型 | 观测值数量/个 |
| 高知识产权保护高科研经费投入 | 68 |
| 低知识产权保护低科研经费投入 | 286 |
| 高知识产权保护低科研经费投入 | 48 |
| 低知识产权保护高科研经费投入 | 48 |
), ArticleFig(id=1175038802486772201, tenantId=1146029695717560320, journalId=1146123222451335185, articleId=1174390602218221754, language=CN, label=表1, caption=
各类政策支持的样本观测值数量
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| 获得政策支持类型 | 观测值数量/个 |
| 高知识产权保护高科研经费投入 | 68 |
| 低知识产权保护低科研经费投入 | 286 |
| 高知识产权保护低科研经费投入 | 48 |
| 低知识产权保护高科研经费投入 | 48 |
), ArticleFig(id=1175038802558075370, tenantId=1146029695717560320, journalId=1146123222451335185, articleId=1174390602218221754, language=EN, label=null, caption=null, figureFileSmall=null, figureFileBig=null, tableContent=
| 变量类型 | 变量名称 | 变量符号 | 变量说明 |
| 结果变量 | 科研产出 | pap | 指当年发表的学术论文数的自然对数,包括国外以及全国性刊物发表 |
| 处理变量 | 高知识产权高科研投入对比低知识产权低科研投入 | mixhh_mixll | 取值为1表示高校获得高知识产权高科研投入,取值为0表示高校获得低知识产权低科研投入 |
| 高知识产权高科研投入对比高知识产权低科研投入 | mixhh_mixhl | 取值为1表示高校获得高知识产权高科研投入,取值为0表示高校获得高知识产权低科研投入 |
| 高知识产权高科研投入对比低知识产权高科研投入 | mixhh_mixlh | 取值为1表示高校获得高知识产权高科研投入,取值为0表示高校获得低知识产权高科研投入 |
| 协变量 | 经济发展水平 | pgdp | 各省份人均地区生产总值的自然对数 |
| 工业化水平 | ind | 工业增加值占地区生产总值的比例 |
| 信息化水平 | inf | 邮电业务总量占地区生产总值的比例 |
| 人力资本水平 | hum | 每十万人在校大学生的自然对数 |
| 技术市场发展水平 | tmd | 技术市场成交额占地区生产总值的比例 |
| 研发强度 | radi | R&D经费内部支出占地区生产总值的比例 |
), ArticleFig(id=1175038802625184235, tenantId=1146029695717560320, journalId=1146123222451335185, articleId=1174390602218221754, language=CN, label=表2, caption=
研究变量一览
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| 变量类型 | 变量名称 | 变量符号 | 变量说明 |
| 结果变量 | 科研产出 | pap | 指当年发表的学术论文数的自然对数,包括国外以及全国性刊物发表 |
| 处理变量 | 高知识产权高科研投入对比低知识产权低科研投入 | mixhh_mixll | 取值为1表示高校获得高知识产权高科研投入,取值为0表示高校获得低知识产权低科研投入 |
| 高知识产权高科研投入对比高知识产权低科研投入 | mixhh_mixhl | 取值为1表示高校获得高知识产权高科研投入,取值为0表示高校获得高知识产权低科研投入 |
| 高知识产权高科研投入对比低知识产权高科研投入 | mixhh_mixlh | 取值为1表示高校获得高知识产权高科研投入,取值为0表示高校获得低知识产权高科研投入 |
| 协变量 | 经济发展水平 | pgdp | 各省份人均地区生产总值的自然对数 |
| 工业化水平 | ind | 工业增加值占地区生产总值的比例 |
| 信息化水平 | inf | 邮电业务总量占地区生产总值的比例 |
| 人力资本水平 | hum | 每十万人在校大学生的自然对数 |
| 技术市场发展水平 | tmd | 技术市场成交额占地区生产总值的比例 |
| 研发强度 | radi | R&D经费内部支出占地区生产总值的比例 |
), ArticleFig(id=1175038802751013356, tenantId=1146029695717560320, journalId=1146123222451335185, articleId=1174390602218221754, language=EN, label=null, caption=null, figureFileSmall=null, figureFileBig=null, tableContent=
| 变量 | 观测值 | 均值 | 标准差 | 最小值 | 最大值 |
| ipp | 450 | 0.644 | 0.143 | 0.408 | 0.938 |
| gov | 450 | 13.487 | 1.002 | 10.345 | 16.124 |
| pap | 450 | 9.490 | 0.774 | 6.617 | 11.130 |
| pgdp | 450 | 10.761 | 0.548 | 9.085 | 12.156 |
| ind | 450 | 0.345 | 0.084 | 0.100 | 0.574 |
| inf | 450 | 0.070 | 0.126 | 0.015 | 2.520 |
| tmd | 450 | 0.016 | 0.028 | 0.000* | 0.191 |
| hum | 450 | 7.839 | 0.330 | 6.876 | 8.817 |
| radi | 450 | 0.020 | 0.015 | 0.002 | 0.070 |
), ArticleFig(id=1175038802826510829, tenantId=1146029695717560320, journalId=1146123222451335185, articleId=1174390602218221754, language=CN, label=表3, caption=
变量描述性统计
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| 变量 | 观测值 | 均值 | 标准差 | 最小值 | 最大值 |
| ipp | 450 | 0.644 | 0.143 | 0.408 | 0.938 |
| gov | 450 | 13.487 | 1.002 | 10.345 | 16.124 |
| pap | 450 | 9.490 | 0.774 | 6.617 | 11.130 |
| pgdp | 450 | 10.761 | 0.548 | 9.085 | 12.156 |
| ind | 450 | 0.345 | 0.084 | 0.100 | 0.574 |
| inf | 450 | 0.070 | 0.126 | 0.015 | 2.520 |
| tmd | 450 | 0.016 | 0.028 | 0.000* | 0.191 |
| hum | 450 | 7.839 | 0.330 | 6.876 | 8.817 |
| radi | 450 | 0.020 | 0.015 | 0.002 | 0.070 |
), ArticleFig(id=1175038802985894382, tenantId=1146029695717560320, journalId=1146123222451335185, articleId=1174390602218221754, language=EN, label=null, caption=null, figureFileSmall=null, figureFileBig=null, tableContent=
| 变量 | mixhh_mixll | mixhh_mixhl | mixhh_mixlh |
| treat | 0.847*** (7.99) | 0.683*** (6.80) | 0.150* (1.71) |
| pgdp | -0.088 (-0.91) | -0.132 (-0.82) | 0.022 (0.15) |
| ind | 3.273*** (7.23) | 1.857** (2.17) | 2.645*** (3.10) |
| inf | 0.025 (0.11) | 0.253 (0.21) | 0.949 (1.15) |
| tmd | -3.662* (-1.66) | -2.074 (-0.78) | -1.195 (-0.42) |
| hum | 0.872*** (5.34) | 0.385 (1.44) | 0.508* (1.78) |
| radi | 4.706 (1.61) | 5.605 (0.86) | 3.627 (0.57) |
| 常数项 | 2.205** (2.07) | 7.200*** (2.76) | 4.712* (1.72) |
| 观测值 | 354 | 116 | 116 |
| R2 | 0.448 | 0.373 | 0.231 |
), ArticleFig(id=1175038803057197551, tenantId=1146029695717560320, journalId=1146123222451335185, articleId=1174390602218221754, language=CN, label=表4, caption=
基准回归结果
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| 变量 | mixhh_mixll | mixhh_mixhl | mixhh_mixlh |
| treat | 0.847*** (7.99) | 0.683*** (6.80) | 0.150* (1.71) |
| pgdp | -0.088 (-0.91) | -0.132 (-0.82) | 0.022 (0.15) |
| ind | 3.273*** (7.23) | 1.857** (2.17) | 2.645*** (3.10) |
| inf | 0.025 (0.11) | 0.253 (0.21) | 0.949 (1.15) |
| tmd | -3.662* (-1.66) | -2.074 (-0.78) | -1.195 (-0.42) |
| hum | 0.872*** (5.34) | 0.385 (1.44) | 0.508* (1.78) |
| radi | 4.706 (1.61) | 5.605 (0.86) | 3.627 (0.57) |
| 常数项 | 2.205** (2.07) | 7.200*** (2.76) | 4.712* (1.72) |
| 观测值 | 354 | 116 | 116 |
| R2 | 0.448 | 0.373 | 0.231 |
), ArticleFig(id=1175038803157860848, tenantId=1146029695717560320, journalId=1146123222451335185, articleId=1174390602218221754, language=EN, label=null, caption=null, figureFileSmall=null, figureFileBig=null, tableContent=
| 变量 | mixhh_mixll | mixhh_mixhl | mixhh_mixlh |
| pgdp | 5.388*** (7.31) | 5.282*** (4.89) | 1.099 (1.22) |
| ind | 4.992 (1.46) | -1.901 (-0.40) | 15.321** (2.45) |
| inf | -7.496 (-1.61) | 3.356 (0.43) | -21.725*** (-3.74) |
| tmd | 19.936 (1.37) | 12.195 (0.69) | 3.271 (0.18) |
| hum | -0.934 (-0.94) | -2.020 (-1.28) | 0.733 (0.37) |
| radi | -19.191 (-0.82) | -52.352 (-1.40) | 30.505 (0.74) |
| 常数项 | -54.455*** (-5.78) | -40.749*** (-2.64) | -22.226 (-1.14) |
| 观测值 | 354 | 116 | 116 |
| R2 | 0.494 0 | 0.278 6 | 0.297 4 |
), ArticleFig(id=1175038803271107057, tenantId=1146029695717560320, journalId=1146123222451335185, articleId=1174390602218221754, language=CN, label=表5, caption=
变量的Logit模型估计结果
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| 变量 | mixhh_mixll | mixhh_mixhl | mixhh_mixlh |
| pgdp | 5.388*** (7.31) | 5.282*** (4.89) | 1.099 (1.22) |
| ind | 4.992 (1.46) | -1.901 (-0.40) | 15.321** (2.45) |
| inf | -7.496 (-1.61) | 3.356 (0.43) | -21.725*** (-3.74) |
| tmd | 19.936 (1.37) | 12.195 (0.69) | 3.271 (0.18) |
| hum | -0.934 (-0.94) | -2.020 (-1.28) | 0.733 (0.37) |
| radi | -19.191 (-0.82) | -52.352 (-1.40) | 30.505 (0.74) |
| 常数项 | -54.455*** (-5.78) | -40.749*** (-2.64) | -22.226 (-1.14) |
| 观测值 | 354 | 116 | 116 |
| R2 | 0.494 0 | 0.278 6 | 0.297 4 |
), ArticleFig(id=1175038803342410226, tenantId=1146029695717560320, journalId=1146123222451335185, articleId=1174390602218221754, language=EN, label=null, caption=null, figureFileSmall=null, figureFileBig=null, tableContent=
| 处理变量 | 样本 | R2 | LR chi2 | P>chi2 | MeanBias | MedBias |
| mixhh_mixll | 匹配前 | 0.502 | 173.78 | <0.001 | 86.5 | 78.2 |
| 匹配后 | 0.032 | 4.99 | 0.545 | 8.3 | 7.4 |
| mixhh_mixhl | 匹配前 | 0.280 | 44.11 | <0.001 | 43.7 | 29.2 |
| 匹配后 | 0.025 | 3.48 | 0.747 | 4.1 | 3.1 |
| mixhh_mixlh | 匹配前 | 0.297 | 46.69 | <0.001 | 43.3 | 39.1 |
| 匹配后 | 0.038 | 6.38 | 0.382 | 14.1 | 13.6 |
), ArticleFig(id=1175038803438879219, tenantId=1146029695717560320, journalId=1146123222451335185, articleId=1174390602218221754, language=CN, label=表6, caption=
变量的平衡性检验结果
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| 处理变量 | 样本 | R2 | LR chi2 | P>chi2 | MeanBias | MedBias |
| mixhh_mixll | 匹配前 | 0.502 | 173.78 | <0.001 | 86.5 | 78.2 |
| 匹配后 | 0.032 | 4.99 | 0.545 | 8.3 | 7.4 |
| mixhh_mixhl | 匹配前 | 0.280 | 44.11 | <0.001 | 43.7 | 29.2 |
| 匹配后 | 0.025 | 3.48 | 0.747 | 4.1 | 3.1 |
| mixhh_mixlh | 匹配前 | 0.297 | 46.69 | <0.001 | 43.3 | 39.1 |
| 匹配后 | 0.038 | 6.38 | 0.382 | 14.1 | 13.6 |
), ArticleFig(id=1175038803581485556, tenantId=1146029695717560320, journalId=1146123222451335185, articleId=1174390602218221754, language=EN, label=null, caption=null, figureFileSmall=null, figureFileBig=null, tableContent=
| 处理变量 | 政策支持类型 | 样本 | 处理组 | 控制组 | ATT | 标准误差 | t |
| mixhh_mixll | 高知识产权高科研投入对 | 匹配前 | 10.219 | 9.215 | 1.004 | 0.097 | 10.35 | |
| 比低知识产权低科研投入 | 匹配后 | 10.240 | 9.171 | 1.069 | 0.134 | 7.98 |
), ArticleFig(id=1175038803648594421, tenantId=1146029695717560320, journalId=1146123222451335185, articleId=1174390602218221754, language=CN, label=表7, caption=
高知识产权高科研投入政策组合对样本高校作用的绝对效应
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| 处理变量 | 政策支持类型 | 样本 | 处理组 | 控制组 | ATT | 标准误差 | t |
| mixhh_mixll | 高知识产权高科研投入对 | 匹配前 | 10.219 | 9.215 | 1.004 | 0.097 | 10.35 | |
| 比低知识产权低科研投入 | 匹配后 | 10.240 | 9.171 | 1.069 | 0.134 | 7.98 |
), ArticleFig(id=1175038803719897590, tenantId=1146029695717560320, journalId=1146123222451335185, articleId=1174390602218221754, language=EN, label=null, caption=null, figureFileSmall=null, figureFileBig=null, tableContent=
| 处理变量 | 政策支持类型 | 样本 | 处理组 | 控制组 | ATT | 标准误差 | t |
| mixhh_mixhl | 高知识产权高科研投入对 | 匹配前 | 10.219 | 9.602 | 0.617 | 0.085 | 7.28 |
| 比高知识产权低科研投入 | 匹配后 | 10.233 | 9.420 | 0.813 | 0.117 | 6.96 |
| mixhh_mixlh | 高知识产权高科研投入对 | 匹配前 | 10.219 | 9.985 | 0.234 | 0.077 | 3.06 |
| 比低知识产权高科研投入 | 匹配后 | 10.173 | 9.937 | 0.236 | 0.120 | 1.98 |
), ArticleFig(id=1175038803866698231, tenantId=1146029695717560320, journalId=1146123222451335185, articleId=1174390602218221754, language=CN, label=表8, caption=
高知识产权高科研投入政策组合对样本高校作用的相对效应
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| 处理变量 | 政策支持类型 | 样本 | 处理组 | 控制组 | ATT | 标准误差 | t |
| mixhh_mixhl | 高知识产权高科研投入对 | 匹配前 | 10.219 | 9.602 | 0.617 | 0.085 | 7.28 |
| 比高知识产权低科研投入 | 匹配后 | 10.233 | 9.420 | 0.813 | 0.117 | 6.96 |
| mixhh_mixlh | 高知识产权高科研投入对 | 匹配前 | 10.219 | 9.985 | 0.234 | 0.077 | 3.06 |
| 比低知识产权高科研投入 | 匹配后 | 10.173 | 9.937 | 0.236 | 0.120 | 1.98 |
), ArticleFig(id=1175038803954778616, tenantId=1146029695717560320, journalId=1146123222451335185, articleId=1174390602218221754, language=EN, label=null, caption=null, figureFileSmall=null, figureFileBig=null, tableContent=
| 处理变量 | 政策支持类型 | 半径匹配 | 核匹配 |
| ATT | t | ATT | t |
| mixhh_mixll | 高知识产权高科研投入对比低知识产权低科研投入 | 1.096*** | 7.66 | 1.054*** | 6.39 |
| mixhh_mixhl | 高知识产权高科研投入对比高知识产权低科研投入 | 0.809*** | 7.08 | 0.820*** | 7.04 |
| mixhh_mixlh | 高知识产权高科研投入对比低知识产权高科研投入 | 0.250** | 2.20 | 0.271** | 2.26 |
), ArticleFig(id=1175038804026081785, tenantId=1146029695717560320, journalId=1146123222451335185, articleId=1174390602218221754, language=CN, label=表9, caption=
研究结果的稳健性检验结果(半径匹配和核匹配)
, figureFileSmall=null, figureFileBig=null, tableContent=
| 处理变量 | 政策支持类型 | 半径匹配 | 核匹配 |
| ATT | t | ATT | t |
| mixhh_mixll | 高知识产权高科研投入对比低知识产权低科研投入 | 1.096*** | 7.66 | 1.054*** | 6.39 |
| mixhh_mixhl | 高知识产权高科研投入对比高知识产权低科研投入 | 0.809*** | 7.08 | 0.820*** | 7.04 |
| mixhh_mixlh | 高知识产权高科研投入对比低知识产权高科研投入 | 0.250** | 2.20 | 0.271** | 2.26 |
), ArticleFig(id=1175038804147716602, tenantId=1146029695717560320, journalId=1146123222451335185, articleId=1174390602218221754, language=EN, label=null, caption=null, figureFileSmall=null, figureFileBig=null, tableContent=
| 处理变量 | 政策支持类型 | 专利授权量 | 论文发表量(滞后一期) |
| ATT | t | ATT | t |
| mixhh_mixll | 高知识产权高科研投入对比低知识产权低科研投入 | 1.860*** | 8.85 | 0.947*** | 7.18 |
| mixhh_mixhl | 高知识产权高科研投入对比高知识产权低科研投入 | 1.078*** | 5.39 | 0.142*** | 5.65 |
| mixhh_mixlh | 高知识产权高科研投入对比低知识产权高科研投入 | 0.390** | 2.21 | 0.223* | 1.78 |
), ArticleFig(id=1175038804256768507, tenantId=1146029695717560320, journalId=1146123222451335185, articleId=1174390602218221754, language=CN, label=表10, caption=
研究结果的稳健性检验结果(替换结果变量、结果变量滞后1期)
, figureFileSmall=null, figureFileBig=null, tableContent=
| 处理变量 | 政策支持类型 | 专利授权量 | 论文发表量(滞后一期) |
| ATT | t | ATT | t |
| mixhh_mixll | 高知识产权高科研投入对比低知识产权低科研投入 | 1.860*** | 8.85 | 0.947*** | 7.18 |
| mixhh_mixhl | 高知识产权高科研投入对比高知识产权低科研投入 | 1.078*** | 5.39 | 0.142*** | 5.65 |
| mixhh_mixlh | 高知识产权高科研投入对比低知识产权高科研投入 | 0.390** | 2.21 | 0.223* | 1.78 |
), ArticleFig(id=1175038804361626108, tenantId=1146029695717560320, journalId=1146123222451335185, articleId=1174390602218221754, language=EN, label=null, caption=null, figureFileSmall=null, figureFileBig=null, tableContent=
| 变量 | mixhh_mixl | mixhh_mixhl | mixhh_mixlh |
| treat | 0.949*** (8.50) | 0.750*** (7.18) | 0.223* (2.37) |
| pgdp | -0.261 (-1.03) | 0.269 (0.95) | -0.239 (-1.32) |
| ind | 2.236** (2.41) | 0.548 (0.55) | 3.295*** (2.83) |
| inf | 1.623 (1.18) | 0.663 (0.43) | 1.519 (1.35) |
| tmd | -2.461 (-0.65) | -4.390 (-1.15) | -0.219 (-0.07) |
| hum | 0.144 (0.51) | 0.139 (0.37) | 0.480 (1.34) |
| radi | 11.386* (1.73) | 8.964 (1.16) | 8.311 (1.03) |
| 常数项 | 9.947*** (2.99) | 5.008 (1.41) | 4.331 (2.06) |
| 观测值 | 88 | 52 | 66 |
| R2 | 0.496 | 0.469 | 0.271 |
), ArticleFig(id=1175038804521009661, tenantId=1146029695717560320, journalId=1146123222451335185, articleId=1174390602218221754, language=CN, label=表11, caption=
匹配后回归结果
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| 变量 | mixhh_mixl | mixhh_mixhl | mixhh_mixlh |
| treat | 0.949*** (8.50) | 0.750*** (7.18) | 0.223* (2.37) |
| pgdp | -0.261 (-1.03) | 0.269 (0.95) | -0.239 (-1.32) |
| ind | 2.236** (2.41) | 0.548 (0.55) | 3.295*** (2.83) |
| inf | 1.623 (1.18) | 0.663 (0.43) | 1.519 (1.35) |
| tmd | -2.461 (-0.65) | -4.390 (-1.15) | -0.219 (-0.07) |
| hum | 0.144 (0.51) | 0.139 (0.37) | 0.480 (1.34) |
| radi | 11.386* (1.73) | 8.964 (1.16) | 8.311 (1.03) |
| 常数项 | 9.947*** (2.99) | 5.008 (1.41) | 4.331 (2.06) |
| 观测值 | 88 | 52 | 66 |
| R2 | 0.496 | 0.469 | 0.271 |
), ArticleFig(id=1175038804596507134, tenantId=1146029695717560320, journalId=1146123222451335185, articleId=1174390602218221754, language=EN, label=null, caption=null, figureFileSmall=null, figureFileBig=null, tableContent=
| 变量 | 政策类型 | 东 | 中 | 西 |
Treat(高知识产权 高科研投入) | 高知识产权高科研投入对比低知识产权低科研投入 | 0.717*** | 0.452*** | 0.185 |
| (4.81) | (3.31) | (0.75) |
| 高知识产权高科研投入对比高知识产权低科研投入 | 0.900*** | 0.266 | 0.302 |
| (7.33) | (1.24) | (1.77) |
| 高知识产权高科研投入对比低知识产权高科研投入 | -0.015 | 0.062 | -0.465 |
| (-0.14) | (0.37) | (-0.91) |
), ArticleFig(id=1175038804806222335, tenantId=1146029695717560320, journalId=1146123222451335185, articleId=1174390602218221754, language=CN, label=表12, caption=
异质性分析结果
, figureFileSmall=null, figureFileBig=null, tableContent=
| 变量 | 政策类型 | 东 | 中 | 西 |
Treat(高知识产权 高科研投入) | 高知识产权高科研投入对比低知识产权低科研投入 | 0.717*** | 0.452*** | 0.185 |
| (4.81) | (3.31) | (0.75) |
| 高知识产权高科研投入对比高知识产权低科研投入 | 0.900*** | 0.266 | 0.302 |
| (7.33) | (1.24) | (1.77) |
| 高知识产权高科研投入对比低知识产权高科研投入 | -0.015 | 0.062 | -0.465 |
| (-0.14) | (0.37) | (-0.91) |
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