Article(id=1321914852256370909, tenantId=1146029695717560320, journalId=1146120045056339983, issueId=1321914851530747948, articleNumber=null, orderNo=null, doi=10.12404/j.issn.1002-980X.25021503, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1739721600000, receivedDateStr=2025-02-17, revisedDate=null, revisedDateStr=null, acceptedDate=null, acceptedDateStr=null, onlineDate=1793098660768, onlineDateStr=2026-10-27, pubDate=1764000000000, pubDateStr=2025-11-25, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1793098660768, onlineIssueDateStr=2026-10-27, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1793098660768, creator=13701087609, updateTime=1793098660768, updator=13701087609, issue=Issue{id=1321914851530747948, tenantId=1146029695717560320, journalId=1146120045056339983, year='2025', volume='44', issue='11', pageStart='1', pageEnd='154', issueExtLink='null', onlineDate='null', pubDate='1764000000000', pubDateStr='2025-11-25', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1793098660595, creator='13701087609', updateTime=1793098930509, updator='13701087609', preIssue=null, nextIssue=null, articleTotal=null, ext={EN=IssueExt(id=1321915983690838103, tenantId=1146029695717560320, journalId=1146120045056339983, issueId=1321914851530747948, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1321915983690838104, tenantId=1146029695717560320, journalId=1146120045056339983, issueId=1321914851530747948, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null, downloadFileDto=null}, startPage=1, endPage=17, ext={EN=ArticleExt(id=1321914853053288671, articleId=1321914852256370909, tenantId=1146029695717560320, journalId=1146120045056339983, language=EN, title=Corporate Social Responsibility Disclosure and Stock Price Synchronicity: An Analysis Based on NER and TF-BIDF Textual Techniques, columnId=1321914852977791198, journalTitle=Journal of Technology Economics, columnName=Digital Economy Driving High-Quality Development: Integration, Innovation, and Sharing, runingTitle=null, highlight=null, articleAbstract=

Based on corporate social responsibility (CSR) reports publicly released by listed companies from 2008 to 2022, the textual content was analyzed using Named Entity Recognition (NER) and Term Frequency-Back Inverse Document Frequency (TF-BIDF) techniques, and the mechanism explored through which the signals transmitted by CSR disclosure affect stock price synchronicity. The analysis showed that two types of signals play important roles. Heterogeneous information content transmits firm-specific information, and the intertemporal consistency index reflects consistent communication. Both signals reduce information asymmetry between firms and the market, thereby decreasing stock price synchronicity. Further analysis indicated that signaling heterogeneity is more significant in non-state-owned enterprises. Higher levels of social responsibility fulfillment strengthen the effects of heterogeneous content and consistency index, while higher disclosure levels may weaken the signaling effect. Robustness tests were conducted by replacing samples and applying the PSM-DID and Heckman models. From the perspective of signal characteristics, internal content analysis and external longitudinal comparison were employed. The findings provide a new perspective on the impact of CSR reports on market performance. The results also offer theoretical support for improving information efficiency in China's capital market and policy suggestions for enhancing the CSR disclosure system.

, authors=Suchang Yang, Yining Cao, authorsList=Suchang Yang, Yining Cao, authorCompany=null, correspAuthors=Yining Cao, 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=1321914853439164641, articleId=1321914852256370909, tenantId=1146029695717560320, journalId=1146120045056339983, language=CN, title=企业社会责任信息披露与股价同步性——基于NER和TF-BIDF文本技术的分析, columnId=1321914853162340576, journalTitle=技术经济, columnName=数字经济驱动高质量发展:融合、创新与共享, runingTitle=null, highlight=null, articleAbstract=

基于2008—2022年上市企业公开发布的社会责任报告,利用命名实体识别(named entity recognition, NER)和词频-前逆文档频率(term frequency-back Inverse document frequency, TF-BIDF)技术对文本内容进行分析,探讨企业社会责任信息披露所传递信号对股价同步性的影响机制。企业通过社会责任报告向外界传递与经营相关的信号,这些信号会对企业股价同步性产生重要影响。研究表明,社会责任报告中反映出的两类信号——传递企业特异信息的异质性信号,以及体现企业传达一致性的跨期一致性信号——均有助于减轻企业与市场间的信息不对称,从而降低股价同步性。进一步分析显示,非国有企业的信号异质性对股价同步性的降低作用更加显著;企业实际履行社会责任的水平越高,异质性信息含量和跨期一致性指数越显著;而信息披露水平的提高可能在一定程度上削弱信号效应。此外,通过更换样本及采用PSM-DID和Heckman模型进行了稳健性检验,以确保结论的可靠性。从信号性质的不同维度出发,对社会责任报告进行了内部内容分析与外部纵向比较,为研究企业社会责任报告对市场表现的影响提供了新视角。研究成果不仅为提高中国资本市场的信息效率提供了理论支持,也为当前社会责任信息披露制度的完善提供了政策建议。

, authors=杨肃昌, 曹益宁, authorsList=杨肃昌, 曹益宁, authorCompany=null, correspAuthors=曹益宁, authorNote=

杨肃昌(1964—),博士,兰州大学经济学院教授,博士研究生导师,研究方向:审计体制、内部控制与风险管理、环境审计与区域经济发展

, correspAuthorsNote=
曹益宁(2001—),兰州大学经济学院硕士研究生,研究方向:公司金融、环境经济学。
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杨肃昌(1964—),博士,兰州大学经济学院教授,博士研究生导师,研究方向:审计体制、内部控制与风险管理、环境审计与区域经济发展

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杨肃昌(1964—),博士,兰州大学经济学院教授,博士研究生导师,研究方向:审计体制、内部控制与风险管理、环境审计与区域经济发展

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tenantId=1146029695717560320, journalId=1146120045056339983, articleId=1321914852256370909, language=CN, orderNo=2, keyword=股价同步性), Keyword(id=1321914856652001526, tenantId=1146029695717560320, journalId=1146120045056339983, articleId=1321914852256370909, language=CN, orderNo=3, keyword=机器学习), Keyword(id=1321914856714916087, tenantId=1146029695717560320, journalId=1146120045056339983, articleId=1321914852256370909, language=CN, orderNo=4, keyword=文本分析), Keyword(id=1321914856798802168, tenantId=1146029695717560320, journalId=1146120045056339983, articleId=1321914852256370909, language=CN, orderNo=5, keyword=信息披露)], refs=[Reference(id=1321914856899465465, tenantId=1146029695717560320, journalId=1146120045056339983, articleId=1321914852256370909, doi=null, pmid=null, pmcid=null, year=null, volume=null, issue=null, pageStart=null, pageEnd=null, url=null, language=null, rfNumber=[1], rfOrder=0, authorNames=null, journalName=null, refType=null, 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企业社会责任信息披露与股价同步性——基于NER和TF-BIDF文本技术的分析
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杨肃昌 , 曹益宁
技术经济 | 数字经济驱动高质量发展:融合、创新与共享 2025,44(11): 1-17
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技术经济 |数字经济驱动高质量发展:融合、创新与共享 2025 , 44 (11) : 1 -17
企业社会责任信息披露与股价同步性——基于NER和TF-BIDF文本技术的分析
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杨肃昌, 曹益宁
作者信息
  • 兰州大学经济学院,兰州 730000
通讯作者:
曹益宁(2001—),兰州大学经济学院硕士研究生,研究方向:公司金融、环境经济学。
作者简介:

杨肃昌(1964—),博士,兰州大学经济学院教授,博士研究生导师,研究方向:审计体制、内部控制与风险管理、环境审计与区域经济发展

Corporate Social Responsibility Disclosure and Stock Price Synchronicity: An Analysis Based on NER and TF-BIDF Textual Techniques
Suchang Yang, Yining Cao
Affiliations
  • School of Economics, Lanzhou University, Lanzhou 730000, China
出版时间: 2025-11-25 doi: 10.12404/j.issn.1002-980X.25021503
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基于2008—2022年上市企业公开发布的社会责任报告,利用命名实体识别(named entity recognition, NER)和词频-前逆文档频率(term frequency-back Inverse document frequency, TF-BIDF)技术对文本内容进行分析,探讨企业社会责任信息披露所传递信号对股价同步性的影响机制。企业通过社会责任报告向外界传递与经营相关的信号,这些信号会对企业股价同步性产生重要影响。研究表明,社会责任报告中反映出的两类信号——传递企业特异信息的异质性信号,以及体现企业传达一致性的跨期一致性信号——均有助于减轻企业与市场间的信息不对称,从而降低股价同步性。进一步分析显示,非国有企业的信号异质性对股价同步性的降低作用更加显著;企业实际履行社会责任的水平越高,异质性信息含量和跨期一致性指数越显著;而信息披露水平的提高可能在一定程度上削弱信号效应。此外,通过更换样本及采用PSM-DID和Heckman模型进行了稳健性检验,以确保结论的可靠性。从信号性质的不同维度出发,对社会责任报告进行了内部内容分析与外部纵向比较,为研究企业社会责任报告对市场表现的影响提供了新视角。研究成果不仅为提高中国资本市场的信息效率提供了理论支持,也为当前社会责任信息披露制度的完善提供了政策建议。

社会责任报告  /  股价同步性  /  机器学习  /  文本分析  /  信息披露

Based on corporate social responsibility (CSR) reports publicly released by listed companies from 2008 to 2022, the textual content was analyzed using Named Entity Recognition (NER) and Term Frequency-Back Inverse Document Frequency (TF-BIDF) techniques, and the mechanism explored through which the signals transmitted by CSR disclosure affect stock price synchronicity. The analysis showed that two types of signals play important roles. Heterogeneous information content transmits firm-specific information, and the intertemporal consistency index reflects consistent communication. Both signals reduce information asymmetry between firms and the market, thereby decreasing stock price synchronicity. Further analysis indicated that signaling heterogeneity is more significant in non-state-owned enterprises. Higher levels of social responsibility fulfillment strengthen the effects of heterogeneous content and consistency index, while higher disclosure levels may weaken the signaling effect. Robustness tests were conducted by replacing samples and applying the PSM-DID and Heckman models. From the perspective of signal characteristics, internal content analysis and external longitudinal comparison were employed. The findings provide a new perspective on the impact of CSR reports on market performance. The results also offer theoretical support for improving information efficiency in China's capital market and policy suggestions for enhancing the CSR disclosure system.

CSR  /  stock price synchronicity  /  machine learning  /  NLP  /  information disclosure
杨肃昌, 曹益宁. 企业社会责任信息披露与股价同步性——基于NER和TF-BIDF文本技术的分析. 技术经济, 2025 , 44 (11) : 1 -17 . DOI: 10.12404/j.issn.1002-980X.25021503
Suchang Yang, Yining Cao. Corporate Social Responsibility Disclosure and Stock Price Synchronicity: An Analysis Based on NER and TF-BIDF Textual Techniques[J]. Journal of Technology Economics, 2025 , 44 (11) : 1 -17 . DOI: 10.12404/j.issn.1002-980X.25021503

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2025年第44卷第11期
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doi: 10.12404/j.issn.1002-980X.25021503
  • 接收时间:2025-02-17
  • 首发时间:2026-10-27
  • 出版时间:2025-11-25
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  • 收稿日期:2025-02-17
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    兰州大学经济学院,兰州 730000

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曹益宁(2001—),兰州大学经济学院硕士研究生,研究方向:公司金融、环境经济学。
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2种不同金属材料的力学参数
科
Family
属数
Number of
genus
种数
Number of
species
占总种数比例
Percentage of
total species (%)
属
Genus
种数
Number of
species
占总种数比例
Percentage of total
species (%)
鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78
小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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