Article(id=1149642865594249601, tenantId=1146029695717560320, journalId=1146120045056339983, issueId=1149642860972130684, articleNumber=1002-980X(2025)04-0089-14, orderNo=null, doi=10.12404/j.issn.1002-980X.J24061505, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1718380800000, receivedDateStr=2024-06-15, revisedDate=null, revisedDateStr=null, acceptedDate=null, acceptedDateStr=null, onlineDate=1752025818488, onlineDateStr=2025-07-09, pubDate=1745510400000, pubDateStr=2025-04-25, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1752025818488, onlineIssueDateStr=2025-07-09, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1752025818488, creator=13701087609, updateTime=1752025818488, updator=13701087609, issue=Issue{id=1149642860972130684, tenantId=1146029695717560320, journalId=1146120045056339983, year='2025', volume='44', issue='4', pageStart='1', pageEnd='148', issueExtLink='null', onlineDate='null', pubDate='null', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1752025817384, creator=13701087609, updateTime=1758098883950, updator=13701087609, preIssue=null, nextIssue=null, ext={EN=IssueExt(id=1175115148403552408, tenantId=1146029695717560320, journalId=1146120045056339983, issueId=1149642860972130684, language=EN, specialIssueTitle=, coverIllustrator=, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1175115148403552409, tenantId=1146029695717560320, journalId=1146120045056339983, issueId=1149642860972130684, language=CN, specialIssueTitle=, coverIllustrator=, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null}, startPage=89, endPage=102, ext={EN=ArticleExt(id=1149642866009485707, articleId=1149642865594249601, tenantId=1146029695717560320, journalId=1146120045056339983, language=EN, title=Has Digital Transformation Increased the Domestic Value-added of Exports for Chinese Enterprises?, columnId=1149284496320578211, journalTitle=Journal of Technology Economics, columnName=Enterprise Technology Economics, runingTitle=null, highlight=null, articleAbstract=
The comprehensive development of digital technology and its deep integration into enterprise operations have become critical factors for businesses exploring new growth opportunities and enhancing their position in the global value chain division of labor. Based on data from Chinese listed companies and the Chinese customs database, the impact of enterprise digital transformation on increasing domestic value-added export rates and its operational mechanisms was verified. Key findings of the research include: digital transformation significantly enhances the domestic value-added export rates of enterprises, primarily through optimizing human capital structure, improving productivity, and enhancing innovation capabilities. Heterogeneous analysis across different types of enterprises shows that in labor-intensive enterprises, general trade enterprises, state-owned enterprises, and regions with higher levels of digital economic development, the effect of digital transformation on increasing domestic value-added export rates is statistically significant. These research conclusions provide micro-level evidence and a decision-making basis for advancing enterprise digital transformation and promoting China's enterprises towards higher tiers of the global value chain.
, correspAuthors=null, 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, authorCompany=null, fund=null, authors=null, authorsList=Tianding Zhang, Zimeng Li, Renziyi Li), CN=ArticleExt(id=1149642866491830679, articleId=1149642865594249601, tenantId=1146029695717560320, journalId=1146120045056339983, language=CN, title=数字化转型提升了我国企业出口国内附加值吗?, columnId=1148001302262575636, journalTitle=技术经济, columnName=企业技术经济, runingTitle=null, highlight=null, articleAbstract=
数字技术的全面发展与企业运营的深度融合,已成为企业探索新增长机会和提升全球价值链分工地位的关键因素。本文基于中国上市公司数据和中国海关数据库,通过测算企业的数字化转型程度及其与出口国内附加值率的关系,验证了企业数字化转型对提升出口国内附加值率的影响及其作用机制。研究的主要结论包括:企业数字化转型显著提升了出口国内附加值率,主要通过优化人力资本结构、提高生产率和增强创新能力三个途径实现。针对不同类型企业的异质性分析显示,在非劳动密集型企业、一般贸易企业、国有企业及数字经济发展水平较高的地区,企业的数字化转型对提升出口国内附加值率的效果在统计学上显著。研究结论为推进企业的数字化转型和促进中国企业向全球价值链高端迈进提供了微观证据和决策依据。
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张天顶(1978—),博士,武汉大学经济与管理学院教授,博士研究生导师,研究方向:国际宏观经济与金融;
李梓萌(2002—),清华大学深圳国际研究生院硕士研究生,研究方向:经济与金融;
李任子怿(2001—),武汉大学经济与管理学院博士研究生,研究方向:国际经济学。
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2 Tsinghua Shenzhen International Graduate School, Tsinghua University, Shenzhen 518071, China, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null), CN=AuthorExt(id=1175111271029551560, tenantId=1146029695717560320, journalId=1146120045056339983, articleId=1149642865594249601, authorId=1175111270828224965, language=CN, stringName=李梓萌, firstName=null, middleName=null, lastName=null, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
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李梓萌(2002—),清华大学深圳国际研究生院硕士研究生,研究方向:经济与金融;
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李任子怿(2001—),武汉大学经济与管理学院博士研究生,研究方向:国际经济学。
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40(6): 911-924., articleTitle=中国新创通信设备制造企业空间格局及其影响因素研究, refAbstract=null)], funds=[Fund(id=1175111274246582786, tenantId=1146029695717560320, journalId=1146120045056339983, articleId=1149642865594249601, awardId=21&ZD071, language=CN, fundingSource=国家社会科学基金重大项目“新发展阶段伟大实践与发展经济学理论创新研究”(21&ZD071), fundOrder=null, country=null), Fund(id=1175111274338857475, tenantId=1146029695717560320, journalId=1146120045056339983, articleId=1149642865594249601, awardId=2023YJ10501, language=CN, fundingSource=武汉大学研究生导师育人方式创新项目“全球经济动态、治理与政策研讨班”(2023YJ10501), fundOrder=null, country=null)], companyList=[AuthorCompany(id=1175111270345879993, tenantId=1146029695717560320, journalId=1146120045056339983, articleId=1149642865594249601, xref=1, ext=[AuthorCompanyExt(id=1175111270350074298, tenantId=1146029695717560320, journalId=1146120045056339983, articleId=1149642865594249601, companyId=1175111270345879993, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
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2 清华大学深圳国际研究生院, 深圳 518071)])], figs=[ArticleFig(id=1175111272292037083, tenantId=1146029695717560320, journalId=1146120045056339983, articleId=1149642865594249601, language=EN, label=null, caption=null, figureFileSmall=null, figureFileBig=null, tableContent=
| 变量名 | 指标含义 | 样本量 | 平均值 | 标准差 | 最小值 | 最大值 |
| DVAR | 出口国内附加值率 | 8961 | 0.717 | 0.375 | 0.000 | 1.000 |
| Dig | 数字化转型 | 8961 | 0.093 | 0.149 | 0.000 | 1.000 |
| Lev | 资产负债率 | 8961 | 0.436 | 0.229 | 0.008 | 9.699 |
| Cashflow | 现金流比率 | 8961 | 0.046 | 0.074 | -1.938 | 0.563 |
| HHI | 市场集中度 | 8953 | 0.184 | 0.164 | 0.030 | 1.000 |
| lnSize | 企业规模 | 8961 | 21.80 | 1.134 | 19.540 | 26.100 |
| lnAge | 企业年龄 | 8961 | 2.606 | 0.378 | 1.099 | 3.434 |
| CI | 资本集聚化水平 | 8961 | 0.033 | 0.019 | 0.000 | 0.146 |
), ArticleFig(id=1175111272380117469, tenantId=1146029695717560320, journalId=1146120045056339983, articleId=1149642865594249601, language=CN, label=表1, caption=
描述性统计
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| 变量名 | 指标含义 | 样本量 | 平均值 | 标准差 | 最小值 | 最大值 |
| DVAR | 出口国内附加值率 | 8961 | 0.717 | 0.375 | 0.000 | 1.000 |
| Dig | 数字化转型 | 8961 | 0.093 | 0.149 | 0.000 | 1.000 |
| Lev | 资产负债率 | 8961 | 0.436 | 0.229 | 0.008 | 9.699 |
| Cashflow | 现金流比率 | 8961 | 0.046 | 0.074 | -1.938 | 0.563 |
| HHI | 市场集中度 | 8953 | 0.184 | 0.164 | 0.030 | 1.000 |
| lnSize | 企业规模 | 8961 | 21.80 | 1.134 | 19.540 | 26.100 |
| lnAge | 企业年龄 | 8961 | 2.606 | 0.378 | 1.099 | 3.434 |
| CI | 资本集聚化水平 | 8961 | 0.033 | 0.019 | 0.000 | 0.146 |
), ArticleFig(id=1175111272443032033, tenantId=1146029695717560320, journalId=1146120045056339983, articleId=1149642865594249601, language=EN, label=null, caption=null, figureFileSmall=null, figureFileBig=null, tableContent=
| 变量 | (1) | (2) | (3) | (4) |
| Dig | 0.0898***(0.0267) | 0.1460***(0.0266) | 0.1339***(0.0471) | 0.1051**(0.0462) |
| Lev | | 0.0265(0.0190) | -0.0289(0.0313) | 0.0253(0.0300) |
| Cashflow | | -0.1277**(0.0543) | -0.1421*(0.0769) | -0.1152(0.0721) |
| HHI | | 0.1315***(0.0239) | 0.1215**(0.0499) | -0.0253(0.0506) |
| lnSize | | 0.0506***(0.0039) | 0.0578***(0.0091) | 0.0447***(0.0083) |
| lnAge | | -0.0070(0.0106) | 0.0385(0.0236) | 0.0416*(0.0218) |
| CI | | 1.7526***(0.2123) | 1.7668***(0.4449) | 0.6501(0.4357) |
| cons | 0.2123***(0.0042) | -0.9646***(0.0834) | -1.2113***(0.1990) | -0.8947***(0.1877) |
| 时间FE | 无 | 无 | 有 | 有 |
| 企业FE | 无 | 无 | 无 | 无 |
| 省份FE | 无 | 无 | 有 | 有 |
| 行业FE | 无 | 无 | 无 | 有 |
| N | 8961 | 8953 | 8953 | 8949 |
| R2 | 0.0013 | 0.0346 | 0.0689 | 0.1642 |
), ArticleFig(id=1175111272522723811, tenantId=1146029695717560320, journalId=1146120045056339983, articleId=1149642865594249601, language=CN, label=表2, caption=
基准回归结果
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| 变量 | (1) | (2) | (3) | (4) |
| Dig | 0.0898***(0.0267) | 0.1460***(0.0266) | 0.1339***(0.0471) | 0.1051**(0.0462) |
| Lev | | 0.0265(0.0190) | -0.0289(0.0313) | 0.0253(0.0300) |
| Cashflow | | -0.1277**(0.0543) | -0.1421*(0.0769) | -0.1152(0.0721) |
| HHI | | 0.1315***(0.0239) | 0.1215**(0.0499) | -0.0253(0.0506) |
| lnSize | | 0.0506***(0.0039) | 0.0578***(0.0091) | 0.0447***(0.0083) |
| lnAge | | -0.0070(0.0106) | 0.0385(0.0236) | 0.0416*(0.0218) |
| CI | | 1.7526***(0.2123) | 1.7668***(0.4449) | 0.6501(0.4357) |
| cons | 0.2123***(0.0042) | -0.9646***(0.0834) | -1.2113***(0.1990) | -0.8947***(0.1877) |
| 时间FE | 无 | 无 | 有 | 有 |
| 企业FE | 无 | 无 | 无 | 无 |
| 省份FE | 无 | 无 | 有 | 有 |
| 行业FE | 无 | 无 | 无 | 有 |
| N | 8961 | 8953 | 8953 | 8949 |
| R2 | 0.0013 | 0.0346 | 0.0689 | 0.1642 |
), ArticleFig(id=1175111272656941541, tenantId=1146029695717560320, journalId=1146120045056339983, articleId=1149642865594249601, language=EN, label=null, caption=null, figureFileSmall=null, figureFileBig=null, tableContent=
| 变量 | (1) | (2) |
| Dig | DVAR |
| 第一阶段 | 第二阶段 |
| Dig | | 0.6486** (0.3008) |
| IV | 0.0038*** (0.0005) | |
| _cons | 0.4319*** (0.0337) | -1.3566*** (0.1481) |
| N | 8533 | 8533 |
| 固定效应/控制变量 | 是 | 是 |
| Cragg-Donald Wald F | 70.983 | |
| R2 | 0.0360 | 0.0079 |
), ArticleFig(id=1175111272770187750, tenantId=1146029695717560320, journalId=1146120045056339983, articleId=1149642865594249601, language=CN, label=表3, caption=
工具变量法回归结果
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| 变量 | (1) | (2) |
| Dig | DVAR |
| 第一阶段 | 第二阶段 |
| Dig | | 0.6486** (0.3008) |
| IV | 0.0038*** (0.0005) | |
| _cons | 0.4319*** (0.0337) | -1.3566*** (0.1481) |
| N | 8533 | 8533 |
| 固定效应/控制变量 | 是 | 是 |
| Cragg-Donald Wald F | 70.983 | |
| R2 | 0.0360 | 0.0079 |
), ArticleFig(id=1175111272845685224, tenantId=1146029695717560320, journalId=1146120045056339983, articleId=1149642865594249601, language=EN, label=null, caption=null, figureFileSmall=null, figureFileBig=null, tableContent=
| 变量 | (1) | (2) |
| trade | DVAR |
| Dig | -0.1606*** (0.0587) | 0.1011* (0.0573) |
| IMR | | -0.3530 (0.4606) |
| _cons | -0.1285 (0.1204) | 0.4502 (0.3087) |
| N | 19026 | 8957 |
| 固定效应/控制变量 | 是 | 是 |
| R2 | 0.1893 | 0.1477 |
), ArticleFig(id=1175111272916988394, tenantId=1146029695717560320, journalId=1146120045056339983, articleId=1149642865594249601, language=CN, label=表4, caption=
Heckman两步法回归结果
, figureFileSmall=null, figureFileBig=null, tableContent=
| 变量 | (1) | (2) |
| trade | DVAR |
| Dig | -0.1606*** (0.0587) | 0.1011* (0.0573) |
| IMR | | -0.3530 (0.4606) |
| _cons | -0.1285 (0.1204) | 0.4502 (0.3087) |
| N | 19026 | 8957 |
| 固定效应/控制变量 | 是 | 是 |
| R2 | 0.1893 | 0.1477 |
), ArticleFig(id=1175111273013457388, tenantId=1146029695717560320, journalId=1146120045056339983, articleId=1149642865594249601, language=EN, label=null, caption=null, figureFileSmall=null, figureFileBig=null, tableContent=
| 变量 | (1) | (2) | (3) | (4) | (5) | (6) |
| DVAR | DVAR | DVAR_bec | DVAR | DVAR | DVAR |
| Dig | 0.1062** (0.0485) | 0.0825*** (0.0301) | 0.1051*** (0.0342) | | | 0.0994*** (0.0281) |
| Dig_num | | | | 0.0255*** (0.0070) | | |
| L.Dig | | | | | 0.0970*** (0.0297) | |
| _cons | -0.9616*** (0.2069) | -1.0142*** (0.1037) | -0.8625*** (0.1649) | -1.2302*** (0.0911) | -0.8775*** (0.1047) | -1.2748*** (0.2632) |
| N | 7496 | 7509 | 8949 | 8755 | 6862 | 1560 |
| 固定效应/控制 | 是 | 是 | 是 | 是 | 是 | 是 |
| R2 | 0.1814 | 0.1807 | 0.1632 | 0.0461 | 0.1810 | 0.1534 |
), ArticleFig(id=1175111273118314990, tenantId=1146029695717560320, journalId=1146120045056339983, articleId=1149642865594249601, language=CN, label=表5, caption=
稳健性检验
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| 变量 | (1) | (2) | (3) | (4) | (5) | (6) |
| DVAR | DVAR | DVAR_bec | DVAR | DVAR | DVAR |
| Dig | 0.1062** (0.0485) | 0.0825*** (0.0301) | 0.1051*** (0.0342) | | | 0.0994*** (0.0281) |
| Dig_num | | | | 0.0255*** (0.0070) | | |
| L.Dig | | | | | 0.0970*** (0.0297) | |
| _cons | -0.9616*** (0.2069) | -1.0142*** (0.1037) | -0.8625*** (0.1649) | -1.2302*** (0.0911) | -0.8775*** (0.1047) | -1.2748*** (0.2632) |
| N | 7496 | 7509 | 8949 | 8755 | 6862 | 1560 |
| 固定效应/控制 | 是 | 是 | 是 | 是 | 是 | 是 |
| R2 | 0.1814 | 0.1807 | 0.1632 | 0.0461 | 0.1810 | 0.1534 |
), ArticleFig(id=1175111273265115632, tenantId=1146029695717560320, journalId=1146120045056339983, articleId=1149642865594249601, language=EN, label=null, caption=null, figureFileSmall=null, figureFileBig=null, tableContent=
| 变量 | 职业类型 | 受教育程度 |
| (1) | (2) | (3) | (4) |
| 技术占比 | 销售占比 | 生产占比 | 本科以下 |
| Dig | 12.0313** (2.9300) | 8.0453*** (1.8421) | -25.7082*** (3.8776) | -21.1315*** (3.2008) |
| _cons | 17.1878*** (7.7411) | 24.7302*** (5.7776) | 28.0141** (10.4832) | -11.1484 (11.1473) |
| N | 5585 | 5416 | 5332 | 3610 |
| 固定效应/控制变量 | 是 | 是 | 是 | 是 |
| R2 | 0.4157 | 0.4164 | 0.4059 | 0.5105 |
), ArticleFig(id=1175111273340613106, tenantId=1146029695717560320, journalId=1146120045056339983, articleId=1149642865594249601, language=CN, label=表6, caption=
机制分析:人力资本结构
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| 变量 | 职业类型 | 受教育程度 |
| (1) | (2) | (3) | (4) |
| 技术占比 | 销售占比 | 生产占比 | 本科以下 |
| Dig | 12.0313** (2.9300) | 8.0453*** (1.8421) | -25.7082*** (3.8776) | -21.1315*** (3.2008) |
| _cons | 17.1878*** (7.7411) | 24.7302*** (5.7776) | 28.0141** (10.4832) | -11.1484 (11.1473) |
| N | 5585 | 5416 | 5332 | 3610 |
| 固定效应/控制变量 | 是 | 是 | 是 | 是 |
| R2 | 0.4157 | 0.4164 | 0.4059 | 0.5105 |
), ArticleFig(id=1175111273495802357, tenantId=1146029695717560320, journalId=1146120045056339983, articleId=1149642865594249601, language=EN, label=null, caption=null, figureFileSmall=null, figureFileBig=null, tableContent=
| 变量 | (1) | (2) |
| 生产率 | 创新水平 |
| Dig | 0.2245*** (0.0544) | 0.3078*** (0.0574) |
| _cons | -12.4505*** (0.3171) | -6.4510*** (2.3720) |
| N | 8949 | 8722 |
| 固定效应/控制变量 | 是 | 是 |
| R2 | 0.7911 | 0.3509 |
), ArticleFig(id=1175111273630020086, tenantId=1146029695717560320, journalId=1146120045056339983, articleId=1149642865594249601, language=CN, label=表7, caption=
机制分析:生产率和创新能力
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| 变量 | (1) | (2) |
| 生产率 | 创新水平 |
| Dig | 0.2245*** (0.0544) | 0.3078*** (0.0574) |
| _cons | -12.4505*** (0.3171) | -6.4510*** (2.3720) |
| N | 8949 | 8722 |
| 固定效应/控制变量 | 是 | 是 |
| R2 | 0.7911 | 0.3509 |
), ArticleFig(id=1175111273705517560, tenantId=1146029695717560320, journalId=1146120045056339983, articleId=1149642865594249601, language=EN, label=null, caption=null, figureFileSmall=null, figureFileBig=null, tableContent=
| 变量 | (1) | (2) | (3) | (4) |
| 劳动密集型 | 非劳动密集型 | 地区数字经济水平高 | 地区数字经济水平低 |
| Dig | 0.0167(0.0706) | 0.1290**(0.0628) | 0.1556***(0.0559) | 0.0590(0.0598) |
| _cons | -0.9460**(0.3067) | -0.7778***(0.2310) | -1.1751***(0.2565) | -0.7320***(0.2158) |
| Difference | -0.112** | 0.0966** | | |
| N | 3747 | 4873 | 4009 | 4936 |
| 固定效应/控制变量 | 是 | 是 | 是 | 是 |
| R2 | 0.1935 | 0.1654 | 0.2062 | 0.1660 |
), ArticleFig(id=1175111273806180858, tenantId=1146029695717560320, journalId=1146120045056339983, articleId=1149642865594249601, language=CN, label=表8, caption=
异质性:行业要素密集度和地区数字经济水平
, figureFileSmall=null, figureFileBig=null, tableContent=
| 变量 | (1) | (2) | (3) | (4) |
| 劳动密集型 | 非劳动密集型 | 地区数字经济水平高 | 地区数字经济水平低 |
| Dig | 0.0167(0.0706) | 0.1290**(0.0628) | 0.1556***(0.0559) | 0.0590(0.0598) |
| _cons | -0.9460**(0.3067) | -0.7778***(0.2310) | -1.1751***(0.2565) | -0.7320***(0.2158) |
| Difference | -0.112** | 0.0966** | | |
| N | 3747 | 4873 | 4009 | 4936 |
| 固定效应/控制变量 | 是 | 是 | 是 | 是 |
| R2 | 0.1935 | 0.1654 | 0.2062 | 0.1660 |
), ArticleFig(id=1175111273881678332, tenantId=1146029695717560320, journalId=1146120045056339983, articleId=1149642865594249601, language=EN, label=null, caption=null, figureFileSmall=null, figureFileBig=null, tableContent=
| 变量 | (1) | (2) | (3) | (4) |
| 加工贸易 | 一般贸易 | 国有企业 | 非国有企业 |
| Dig | 0.0431(0.0464) | 0.2456**(0.1004) | 0.1662**(0.0687) | 0.0109(0.0519) |
| _cons | -1.0123***(0.3261) | -0.5137(0.3818) | -1.0812(0.2902) | -0.9833**(0.2780) |
| Difference | -0.202*** | 0.155*** | | |
| N | 4895 | 3852 | 3947 | 4658 |
| 固定效应/控制变量 | 是 | 是 | 是 | 是 |
| R2 | 0.1507 | 0.2011 | 0.2185 | 0.1933 |
), ArticleFig(id=1175111273999118847, tenantId=1146029695717560320, journalId=1146120045056339983, articleId=1149642865594249601, language=CN, label=表9, caption=
异质性:企业所有权和出口贸易方式
, figureFileSmall=null, figureFileBig=null, tableContent=
| 变量 | (1) | (2) | (3) | (4) |
| 加工贸易 | 一般贸易 | 国有企业 | 非国有企业 |
| Dig | 0.0431(0.0464) | 0.2456**(0.1004) | 0.1662**(0.0687) | 0.0109(0.0519) |
| _cons | -1.0123***(0.3261) | -0.5137(0.3818) | -1.0812(0.2902) | -0.9833**(0.2780) |
| Difference | -0.202*** | 0.155*** | | |
| N | 4895 | 3852 | 3947 | 4658 |
| 固定效应/控制变量 | 是 | 是 | 是 | 是 |
| R2 | 0.1507 | 0.2011 | 0.2185 | 0.1933 |
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