Article(id=1147991616654143603, tenantId=1146029695717560320, journalId=1146120045056339983, issueId=1147991611725836402, articleNumber=1002-980X(2025)05-0001-13, orderNo=null, doi=10.12404/j.issn.1002-980X.J24072315, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1721664000000, receivedDateStr=2024-07-23, revisedDate=null, revisedDateStr=null, acceptedDate=null, acceptedDateStr=null, onlineDate=1751632130055, onlineDateStr=2025-07-04, pubDate=1748102400000, pubDateStr=2025-05-25, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1751632130055, onlineIssueDateStr=2025-07-04, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1751632130055, creator=13701087609, updateTime=1751632130055, updator=13701087609, issue=Issue{id=1147991611725836402, tenantId=1146029695717560320, journalId=1146120045056339983, year='2025', volume='44', issue='5', pageStart='1', pageEnd='136', issueExtLink='null', onlineDate='null', pubDate='null', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1751632128877, creator=13701087609, updateTime=1758090412483, updator=13701087609, preIssue=null, nextIssue=null, ext={EN=IssueExt(id=1175079616504021893, tenantId=1146029695717560320, journalId=1146120045056339983, issueId=1147991611725836402, language=EN, specialIssueTitle=, coverIllustrator=, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1175079616504021894, tenantId=1146029695717560320, journalId=1146120045056339983, issueId=1147991611725836402, language=CN, specialIssueTitle=, coverIllustrator=, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null}, startPage=1, endPage=13, ext={EN=ArticleExt(id=1147991616977105012, articleId=1147991616654143603, tenantId=1146029695717560320, journalId=1146120045056339983, language=EN, title=How Restrictions on Cross-Border Flows of Data Affect Exports of Digital Services, columnId=1149284495141983177, journalTitle=Journal of Technology Economics, columnName=Macro Technology Economics, runingTitle=null, highlight=null, articleAbstract=
The cross-border flow restriction indices of 10 exporting and 48 importing countries and the export data of six emerging digital service industries from 2014 to 2021 were matched using the OECD-DSTRI database. The impact of bilateral data cross-border flow restrictions on digital service exports was empirically examined, and a mechanism test and heterogeneity analysis were developed from multiple perspectives. It is shown that bilateral data cross-border flow restrictions inhibit digital service exports, and that data cross-border flow restrictions in exporting countries have a greater inhibitory effect on digital service exports than in importing countries. Heterogeneity analysis reveals that data cross-border flow restrictions between developed countries and EU countries hinder digital services exports to a lesser extent, and that the specific impact of these measures varies according to the type of digital services industry. Mechanism tests show that cross-border data flow restrictions hinder digital services exports by increasing trade cost. Further extension of the analysis finds that digital infrastructure level enhancement and RTA digital trade agreement signing can reduce the extent to which data cross-border flow restrictions impede digital services exports. Further analysis finds that increased levels of digital infrastructure and the signing of RTA digital trade agreements can reduce the extent to which restrictions on the cross-border flow of data impede the export of digital services. The conclusions provide important empirical support for reducing cross-border data flow restrictions and thus empowering the opening up of digital services trade to the outside world to promote China's services foreign trade growth.
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基于OECD-DSTRI数据库出台的数字服务贸易限制指数,对2014—2021年10个出口国和48个进口国的跨境流动限制指数和6个新兴数字服务行业的出口数据进行匹配,实证检验了双边数据跨境流动限制措施对数字服务出口的影响,并从多个视角对其展开机制检验和异质性分析。研究表明:双边数据跨境流动限制措施均抑制数字服务出口,且出口国的数据跨境流动限制措施对数字服务出口的抑制作用大于进口国。通过异质性分析发现,发达国家与欧盟国家之间的数据跨境流限制阻碍数字服务出口的影响较小,且这些措施的具体影响因数字服务行业的类型而异。机制检验表明,出口国跨境数据流动限制措施通过增加贸易成本阻碍了数字服务出口。进一步分析发现,数字基础设施水平提升和RTA数字贸易协定签订可以降低数据跨境流动限制措施阻碍数字服务出口的程度。研究结论为减少数据跨境流动限制,进而赋能数字服务贸易对外开放以促进中国服务外贸增长提供了重要实证支持。
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韦倩青(1972—),博士,广西大学中国-东盟经济学院/经济学院/中国-东盟金融合作学院教授,硕士研究生导师,研究方向:国际贸易与投资,跨国公司管理,数字经济;
刘敏(1996—),广西大学中国-东盟经济学院/经济学院/中国-东盟金融合作学院硕士研究生,研究方向:数字经济,数字贸易,服务贸易。
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韦倩青(1972—),博士,广西大学中国-东盟经济学院/经济学院/中国-东盟金融合作学院教授,硕士研究生导师,研究方向:国际贸易与投资,跨国公司管理,数字经济;
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韦倩青(1972—),博士,广西大学中国-东盟经济学院/经济学院/中国-东盟金融合作学院教授,硕士研究生导师,研究方向:国际贸易与投资,跨国公司管理,数字经济;
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刘敏(1996—),广西大学中国-东盟经济学院/经济学院/中国-东盟金融合作学院硕士研究生,研究方向:数字经济,数字贸易,服务贸易。
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刘敏(1996—),广西大学中国-东盟经济学院/经济学院/中国-东盟金融合作学院硕士研究生,研究方向:数字经济,数字贸易,服务贸易。
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| 变量 | 变量含义 | 观测值 | 平均值 | 标准差 | 最小值 | 最大值 |
| lnEXijt | 数字服务出口对数值 | 3840 | 5.921 | 2.039 | 0.379 | 11.750 |
| DSTPit | 进口国数据跨境流动限制指数 | 3840 | 0.079 | 0.086 | 0.000 | 0.388 |
| DSTPjt | 进口国数据跨境流动限制指数 | 3840 | 0.126 | 0.099 | 0.000 | 0.586 |
| lnGDPit | 出口国经济规模对数值 | 3840 | 28.450 | 0.952 | 26.950 | 30.770 |
| lnGDPjt | 进口国经济规模对数值 | 3840 | 26.880 | 1.485 | 23.590 | 30.770 |
| Demij | 双边需求相似度 | 3840 | 7.426 | 6.599 | 0.002 | 46.710 |
| Serijt | 双边服务业发展差距 | 3840 | 1.180 | 0.934 | 0.002 | 7.007 |
| Insijt | 双边产业结构差距 | 3840 | 8.763 | 6.415 | -2.147 | 35.590 |
| contigij | 是否具有共同边界 | 3840 | 0.083 | 0.276 | 0.000 | 1.000 |
| comlangij | 是否具有共同语言 | 3840 | 0.100 | 0.300 | 0.000 | 1.000 |
| comethnoij | 是否属于同一种族 | 3840 | 0.071 | 0.257 | 0.000 | 1.000 |
| colonyij | 是否存在殖民关系 | 3840 | 0.042 | 0.200 | 0.000 | 1.000 |
| lndistij | 双边地理距离 | 3840 | 8.386 | 1.079 | 5.159 | 9.866 |
), ArticleFig(id=1175092681878418418, tenantId=1146029695717560320, journalId=1146120045056339983, articleId=1147991616654143603, language=CN, label=表1, caption=
主要变量及其描述性统计
, figureFileSmall=null, figureFileBig=null, tableContent=
| 变量 | 变量含义 | 观测值 | 平均值 | 标准差 | 最小值 | 最大值 |
| lnEXijt | 数字服务出口对数值 | 3840 | 5.921 | 2.039 | 0.379 | 11.750 |
| DSTPit | 进口国数据跨境流动限制指数 | 3840 | 0.079 | 0.086 | 0.000 | 0.388 |
| DSTPjt | 进口国数据跨境流动限制指数 | 3840 | 0.126 | 0.099 | 0.000 | 0.586 |
| lnGDPit | 出口国经济规模对数值 | 3840 | 28.450 | 0.952 | 26.950 | 30.770 |
| lnGDPjt | 进口国经济规模对数值 | 3840 | 26.880 | 1.485 | 23.590 | 30.770 |
| Demij | 双边需求相似度 | 3840 | 7.426 | 6.599 | 0.002 | 46.710 |
| Serijt | 双边服务业发展差距 | 3840 | 1.180 | 0.934 | 0.002 | 7.007 |
| Insijt | 双边产业结构差距 | 3840 | 8.763 | 6.415 | -2.147 | 35.590 |
| contigij | 是否具有共同边界 | 3840 | 0.083 | 0.276 | 0.000 | 1.000 |
| comlangij | 是否具有共同语言 | 3840 | 0.100 | 0.300 | 0.000 | 1.000 |
| comethnoij | 是否属于同一种族 | 3840 | 0.071 | 0.257 | 0.000 | 1.000 |
| colonyij | 是否存在殖民关系 | 3840 | 0.042 | 0.200 | 0.000 | 1.000 |
| lndistij | 双边地理距离 | 3840 | 8.386 | 1.079 | 5.159 | 9.866 |
), ArticleFig(id=1175092681958110195, tenantId=1146029695717560320, journalId=1146120045056339983, articleId=1147991616654143603, language=EN, label=null, caption=null, figureFileSmall=null, figureFileBig=null, tableContent=
| 变量 | LSDV | PPML |
| (1) | (2) | (3) | (4) | (5) | (6) |
| DSTPit | -1.468*** (0.386) | | -1.471*** (0.388) | -0.241** (0.075) | | -0.238** (0.075) |
| DSTPjt | | -0.365*** (0.097) | -0.366*** (0.098) | | -0.053** (0.018) | -0.052** (0.018) |
| lnGDPit | 0.388*** (0.079) | 0.481*** (0.077) | 0.389*** (0.079) | 0.060*** (0.014) | 0.074*** (0.014) | 0.060*** (0.014) |
| lnGDPjt | 0.683*** (0.052) | 0.697*** (0.053) | 0.696*** (0.052) | 0.120*** (0.009) | 0.122*** (0.009) | 0.122*** (0.009) |
| Demij | 0.011*** (0.002) | 0.010*** (0.002) | 0.011*** (0.002) | 0.002*** (0.000) | 0.001*** (0.000) | 0.001*** (0.000) |
| Serijt | -0.007* (0.003) | -0.006* (0.003) | -0.007* (0.003) | -0.001* (0.001) | -0.001* (0.001) | -0.001* (0.001) |
| Insijt | -0.046* (0.023) | -0.052* (0.023) | -0.049* (0.023) | -0.009** (0.003) | -0.011** (0.004) | -0.010** (0.003) |
| contigij | -1.294*** (0.111) | 0.516** (0.195) | 0.323 (0.177) | -1.217*** (0.095) | -1.128*** (0.093) | -1.207*** (0.095) |
| comlangij | 2.255*** (0.066) | 2.512*** (0.090) | 2.761*** (0.094) | 1.566*** (0.126) | 1.435*** (0.124) | 1.540*** (0.127) |
| comethnoij | 2.881*** (0.201) | 1.753*** (0.224) | 2.151*** (0.251) | -0.665*** (0.068) | -0.590*** (0.067) | -0.643*** (0.069) |
| colonyij | -1.403*** (0.191) | -0.926*** (0.126) | -0.735*** (0.108) | -1.452*** (0.121) | -1.342*** (0.118) | -1.442*** (0.122) |
| lndistij | -2.030*** (0.069) | -1.269*** (0.041) | -1.300*** (0.041) | -1.958*** (0.150) | -1.798*** (0.148) | -1.924*** (0.152) |
| 常数项 | -6.914** (2.672) | -16.953*** (2.766) | -14.022*** (2.798) | 14.670*** (1.777) | 12.732*** (1.748) | 14.316*** (1.793) |
| 国家固定 | 是 | 是 | 是 | 是 | 是 | 是 |
| 时间固定 | 是 | 是 | 是 | 是 | 是 | 是 |
| 样本量 | 3840 | 3840 | 3840 | 3840 | 3840 | 3840 |
| R2 | 0.9904 | 0.9904 | 0.9904 | 0.1721 | 0.1720 | 0.1721 |
), ArticleFig(id=1175092682037801972, tenantId=1146029695717560320, journalId=1146120045056339983, articleId=1147991616654143603, language=CN, label=表2, caption=
基准回归
, figureFileSmall=null, figureFileBig=null, tableContent=
| 变量 | LSDV | PPML |
| (1) | (2) | (3) | (4) | (5) | (6) |
| DSTPit | -1.468*** (0.386) | | -1.471*** (0.388) | -0.241** (0.075) | | -0.238** (0.075) |
| DSTPjt | | -0.365*** (0.097) | -0.366*** (0.098) | | -0.053** (0.018) | -0.052** (0.018) |
| lnGDPit | 0.388*** (0.079) | 0.481*** (0.077) | 0.389*** (0.079) | 0.060*** (0.014) | 0.074*** (0.014) | 0.060*** (0.014) |
| lnGDPjt | 0.683*** (0.052) | 0.697*** (0.053) | 0.696*** (0.052) | 0.120*** (0.009) | 0.122*** (0.009) | 0.122*** (0.009) |
| Demij | 0.011*** (0.002) | 0.010*** (0.002) | 0.011*** (0.002) | 0.002*** (0.000) | 0.001*** (0.000) | 0.001*** (0.000) |
| Serijt | -0.007* (0.003) | -0.006* (0.003) | -0.007* (0.003) | -0.001* (0.001) | -0.001* (0.001) | -0.001* (0.001) |
| Insijt | -0.046* (0.023) | -0.052* (0.023) | -0.049* (0.023) | -0.009** (0.003) | -0.011** (0.004) | -0.010** (0.003) |
| contigij | -1.294*** (0.111) | 0.516** (0.195) | 0.323 (0.177) | -1.217*** (0.095) | -1.128*** (0.093) | -1.207*** (0.095) |
| comlangij | 2.255*** (0.066) | 2.512*** (0.090) | 2.761*** (0.094) | 1.566*** (0.126) | 1.435*** (0.124) | 1.540*** (0.127) |
| comethnoij | 2.881*** (0.201) | 1.753*** (0.224) | 2.151*** (0.251) | -0.665*** (0.068) | -0.590*** (0.067) | -0.643*** (0.069) |
| colonyij | -1.403*** (0.191) | -0.926*** (0.126) | -0.735*** (0.108) | -1.452*** (0.121) | -1.342*** (0.118) | -1.442*** (0.122) |
| lndistij | -2.030*** (0.069) | -1.269*** (0.041) | -1.300*** (0.041) | -1.958*** (0.150) | -1.798*** (0.148) | -1.924*** (0.152) |
| 常数项 | -6.914** (2.672) | -16.953*** (2.766) | -14.022*** (2.798) | 14.670*** (1.777) | 12.732*** (1.748) | 14.316*** (1.793) |
| 国家固定 | 是 | 是 | 是 | 是 | 是 | 是 |
| 时间固定 | 是 | 是 | 是 | 是 | 是 | 是 |
| 样本量 | 3840 | 3840 | 3840 | 3840 | 3840 | 3840 |
| R2 | 0.9904 | 0.9904 | 0.9904 | 0.1721 | 0.1720 | 0.1721 |
), ArticleFig(id=1175092682134270965, tenantId=1146029695717560320, journalId=1146120045056339983, articleId=1147991616654143603, language=EN, label=null, caption=null, figureFileSmall=null, figureFileBig=null, tableContent=
| 变量 | lnEXijt | lnEXijt | lnEXijt | lnEXijt |
| (1) | (2) | (3) | (4) |
| Scoreij | -0.391*** (0.102) | | | |
| Answerit | | -0.443*** (0.132) | | |
| DSTPit | | | -1.428*** (0.393) | -0.934* (0.458) |
| DSTPjt | | | -0.397*** (0.101) | -0.185 (0.103) |
| 控制变量 | 是 | 是 | 是 | 是 |
| 国家固定 | 是 | 是 | 是 | 是 |
| 年份固定 | 是 | 是 | 是 | 是 |
| 样本量 | 3840 | 3840 | 3840 | 2880 |
| R2 | 0.9888 | 0.9888 | 0.9888 | 0.9909 |
| 注:***、**、*分别表示P<0.01、P<0.05、P<0.1;括号内为标准差。 |
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稳健性检验
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| 变量 | lnEXijt | lnEXijt | lnEXijt | lnEXijt |
| (1) | (2) | (3) | (4) |
| Scoreij | -0.391*** (0.102) | | | |
| Answerit | | -0.443*** (0.132) | | |
| DSTPit | | | -1.428*** (0.393) | -0.934* (0.458) |
| DSTPjt | | | -0.397*** (0.101) | -0.185 (0.103) |
| 控制变量 | 是 | 是 | 是 | 是 |
| 国家固定 | 是 | 是 | 是 | 是 |
| 年份固定 | 是 | 是 | 是 | 是 |
| 样本量 | 3840 | 3840 | 3840 | 2880 |
| R2 | 0.9888 | 0.9888 | 0.9888 | 0.9909 |
| 注:***、**、*分别表示P<0.01、P<0.05、P<0.1;括号内为标准差。 |
), ArticleFig(id=1175092682268488695, tenantId=1146029695717560320, journalId=1146120045056339983, articleId=1147991616654143603, language=EN, label=null, caption=null, figureFileSmall=null, figureFileBig=null, tableContent=
| 变量 | 2SLS |
| (1) | (2) | (3) |
| 第一阶段 | 第二阶段 | 第一阶段 | 第二阶段 | 第一阶段 | 第二阶段 |
| DSTPit | | -6.656* (3.143) | | | | -5.852* (3.251) |
| DSTPjt | | | | -2.049** (0.682) | | -2.029** (0.686) |
| CLijt | -0.004*** (0.000) | | | | -0.004*** (0.000) | |
| Deathjt | | | -0.005*** (0.000) | | -0.005*** (0.000) | |
| 第一阶段F统计量 | 43.125 | 69.418 | 19.223 |
Kleibergen-Paap rk LM statistic | 39.911 [0.000] | 45.606 [0.000] | 40.965 [0.000] |
| 控制变量 | | 是 | | 是 | | 是 |
| 国家固定 | | 是 | | 是 | | 是 |
| 年份固定 | | 是 | | 是 | | 是 |
| 样本量 | | 3840 | | 3840 | | 3840 |
| R2 | | 0.0185 | | 0.0006 | | -0.0423 |
), ArticleFig(id=1175092682339791864, tenantId=1146029695717560320, journalId=1146120045056339983, articleId=1147991616654143603, language=CN, label=表4, caption=
工具变量估计
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| 变量 | 2SLS |
| (1) | (2) | (3) |
| 第一阶段 | 第二阶段 | 第一阶段 | 第二阶段 | 第一阶段 | 第二阶段 |
| DSTPit | | -6.656* (3.143) | | | | -5.852* (3.251) |
| DSTPjt | | | | -2.049** (0.682) | | -2.029** (0.686) |
| CLijt | -0.004*** (0.000) | | | | -0.004*** (0.000) | |
| Deathjt | | | -0.005*** (0.000) | | -0.005*** (0.000) | |
| 第一阶段F统计量 | 43.125 | 69.418 | 19.223 |
Kleibergen-Paap rk LM statistic | 39.911 [0.000] | 45.606 [0.000] | 40.965 [0.000] |
| 控制变量 | | 是 | | 是 | | 是 |
| 国家固定 | | 是 | | 是 | | 是 |
| 年份固定 | | 是 | | 是 | | 是 |
| 样本量 | | 3840 | | 3840 | | 3840 |
| R2 | | 0.0185 | | 0.0006 | | -0.0423 |
), ArticleFig(id=1175092682415289337, tenantId=1146029695717560320, journalId=1146120045056339983, articleId=1147991616654143603, language=EN, label=null, caption=null, figureFileSmall=null, figureFileBig=null, tableContent=
| 变量 | 发达国家 | 非发达国家 | 欧盟国家 | 非欧盟国家 |
| (1) | (2) | (3) | (4) |
| DSTPit | -1.243* (0.623) | -0.444 (0.501) | 3.716* (1.440) | -1.791*** (0.412) |
| DSTPjt | 0.326 (0.211) | -0.487*** (0.106) | 0.029 (0.372) | -0.405*** (0.101) |
| 控制变量 | 是 | 是 | 是 | 是 |
| 国家固定 | 是 | 是 | 是 | 是 |
| 年份固定 | 是 | 是 | 是 | 是 |
| 样本量 | 2376 | 1464 | 840 | 3000 |
| R2 | 0.990 | 0.987 | 0.986 | 0.989 |
), ArticleFig(id=1175092682469815290, tenantId=1146029695717560320, journalId=1146120045056339983, articleId=1147991616654143603, language=CN, label=表5, caption=
区分国家类别的异质性分析
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| 变量 | 发达国家 | 非发达国家 | 欧盟国家 | 非欧盟国家 |
| (1) | (2) | (3) | (4) |
| DSTPit | -1.243* (0.623) | -0.444 (0.501) | 3.716* (1.440) | -1.791*** (0.412) |
| DSTPjt | 0.326 (0.211) | -0.487*** (0.106) | 0.029 (0.372) | -0.405*** (0.101) |
| 控制变量 | 是 | 是 | 是 | 是 |
| 国家固定 | 是 | 是 | 是 | 是 |
| 年份固定 | 是 | 是 | 是 | 是 |
| 样本量 | 2376 | 1464 | 840 | 3000 |
| R2 | 0.990 | 0.987 | 0.986 | 0.989 |
), ArticleFig(id=1175092682536924155, tenantId=1146029695717560320, journalId=1146120045056339983, articleId=1147991616654143603, language=EN, label=null, caption=null, figureFileSmall=null, figureFileBig=null, tableContent=
| 变量 | 保险 | 金融 | 知识产权收费 | 信息通信 | 其他服务 | 个人文娱 |
| (1) | (2) | (3) | (4) | (5) | (6) |
| DSTPit | -1.563* (0.622) | -0.952 (0.594) | 0.718 (0.611) | -1.106* (0.499) | -0.928 (0.475) | -6.343*** (0.751) |
| DSTPjt | -0.122 (0.116) | -0.763*** (0.174) | -0.441*** (0.122) | -0.622*** (0.168) | -0.267* (0.127) | -0.130 (0.231) |
| 控制变量 | 是 | 是 | 是 | 是 | 是 | 是 |
| 国家固定 | 是 | 是 | 是 | 是 | 是 | 是 |
| 年份固定 | 是 | 是 | 是 | 是 | 是 | 是 |
| 样本量 | 3840 | 3840 | 3840 | 3840 | 3840 | 3840 |
| R2 | 0.9646 | 0.9706 | 0.9794 | 0.9752 | 0.9823 | 0.9268 |
), ArticleFig(id=1175092682604033020, tenantId=1146029695717560320, journalId=1146120045056339983, articleId=1147991616654143603, language=CN, label=表6, caption=
区分服务行业的异质性分析
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| 变量 | 保险 | 金融 | 知识产权收费 | 信息通信 | 其他服务 | 个人文娱 |
| (1) | (2) | (3) | (4) | (5) | (6) |
| DSTPit | -1.563* (0.622) | -0.952 (0.594) | 0.718 (0.611) | -1.106* (0.499) | -0.928 (0.475) | -6.343*** (0.751) |
| DSTPjt | -0.122 (0.116) | -0.763*** (0.174) | -0.441*** (0.122) | -0.622*** (0.168) | -0.267* (0.127) | -0.130 (0.231) |
| 控制变量 | 是 | 是 | 是 | 是 | 是 | 是 |
| 国家固定 | 是 | 是 | 是 | 是 | 是 | 是 |
| 年份固定 | 是 | 是 | 是 | 是 | 是 | 是 |
| 样本量 | 3840 | 3840 | 3840 | 3840 | 3840 | 3840 |
| R2 | 0.9646 | 0.9706 | 0.9794 | 0.9752 | 0.9823 | 0.9268 |
), ArticleFig(id=1175092682713084925, tenantId=1146029695717560320, journalId=1146120045056339983, articleId=1147991616654143603, language=EN, label=null, caption=null, figureFileSmall=null, figureFileBig=null, tableContent=
| 变量 | (1) | (2) | (3) | (4) | (5) | (6) |
| lnEXijt | Costijt | lnEXijt | Costijt | lnEXijt | Costijt |
| DSTPit | -1.468*** (0.386) | 0.353*** (0.087) | | | -1.471*** (0.388) | 0.353*** (0.071) |
| DSTPjt | | | -0.365*** (0.097) | 0.003 (0.023) | -0.366*** (0.098) | 0.004 (0.021) |
| 控制变量 | 是 | 是 | 是 | 是 | 是 | 是 |
| 国家固定 | 是 | 是 | 是 | 是 | 是 | 是 |
| 年份固定 | 是 | 是 | 是 | 是 | 是 | 是 |
| 样本量 | 3840 | 3840 | 3840 | 3840 | 3840 | 3840 |
| R2 | 0.9890 | 0.9741 | 0.9889 | 0.9946 | 0.9890 | 0.9741 |
), ArticleFig(id=1175092682775999486, tenantId=1146029695717560320, journalId=1146120045056339983, articleId=1147991616654143603, language=CN, label=表7, caption=
贸易成本机制效应
, figureFileSmall=null, figureFileBig=null, tableContent=
| 变量 | (1) | (2) | (3) | (4) | (5) | (6) |
| lnEXijt | Costijt | lnEXijt | Costijt | lnEXijt | Costijt |
| DSTPit | -1.468*** (0.386) | 0.353*** (0.087) | | | -1.471*** (0.388) | 0.353*** (0.071) |
| DSTPjt | | | -0.365*** (0.097) | 0.003 (0.023) | -0.366*** (0.098) | 0.004 (0.021) |
| 控制变量 | 是 | 是 | 是 | 是 | 是 | 是 |
| 国家固定 | 是 | 是 | 是 | 是 | 是 | 是 |
| 年份固定 | 是 | 是 | 是 | 是 | 是 | 是 |
| 样本量 | 3840 | 3840 | 3840 | 3840 | 3840 | 3840 |
| R2 | 0.9890 | 0.9741 | 0.9889 | 0.9946 | 0.9890 | 0.9741 |
), ArticleFig(id=1175092682897634303, tenantId=1146029695717560320, journalId=1146120045056339983, articleId=1147991616654143603, language=EN, label=null, caption=null, figureFileSmall=null, figureFileBig=null, tableContent=
| 变量 | 数字基础设施水平(ICTijt) | RTA协定(DTAij) |
| (1) | (2) | (3) | (4) | (5) | (6) |
| DSTPit | -1.140*** (0.416) | | -1.262*** (0.409) | -0.699** (0.379) | | -1.028*** (0.382) |
| DSTPjt | | -0.368*** (0.099) | -0.335*** (0.098) | | -0.101 (0.112) | -0.129 (0.111) |
| ICTijt(DTAij) | 0.002 (0.001) | 0.002** (0.001) | | 1.3836*** | 0.7814*** | 0.9445*** |
| DSTPit×ICTijt(DTAij) | 0.021** (0.011) | | 0.017* (0.010) | 2.406*** (0.566) | | 1.521*** (0.581) |
| DSTPjt×ICTijt(DTAij) | | 0.018*** (0.005) | 0.021*** (0.005) | | 0.974*** (0.195) | 0.838*** (0.201) |
| 控制变量 | 是 | 是 | 是 | 是 | 是 | 是 |
| 国家固定 | 是 | 是 | 是 | 是 | 是 | 是 |
| 年份固定 | 是 | 是 | 是 | 是 | 是 | 是 |
| 样本量 | 3840 | 3840 | 3840 | 3840 | 3840 | 3840 |
| R2 | 0.9890 | 0.9889 | 0.9891 | 0.9890 | 0.9890 | 0.9891 |
), ArticleFig(id=1175092682968937472, tenantId=1146029695717560320, journalId=1146120045056339983, articleId=1147991616654143603, language=CN, label=表8, caption=
数字基础设施水平和缔结RTA数字贸易规则调节效应
, figureFileSmall=null, figureFileBig=null, tableContent=
| 变量 | 数字基础设施水平(ICTijt) | RTA协定(DTAij) |
| (1) | (2) | (3) | (4) | (5) | (6) |
| DSTPit | -1.140*** (0.416) | | -1.262*** (0.409) | -0.699** (0.379) | | -1.028*** (0.382) |
| DSTPjt | | -0.368*** (0.099) | -0.335*** (0.098) | | -0.101 (0.112) | -0.129 (0.111) |
| ICTijt(DTAij) | 0.002 (0.001) | 0.002** (0.001) | | 1.3836*** | 0.7814*** | 0.9445*** |
| DSTPit×ICTijt(DTAij) | 0.021** (0.011) | | 0.017* (0.010) | 2.406*** (0.566) | | 1.521*** (0.581) |
| DSTPjt×ICTijt(DTAij) | | 0.018*** (0.005) | 0.021*** (0.005) | | 0.974*** (0.195) | 0.838*** (0.201) |
| 控制变量 | 是 | 是 | 是 | 是 | 是 | 是 |
| 国家固定 | 是 | 是 | 是 | 是 | 是 | 是 |
| 年份固定 | 是 | 是 | 是 | 是 | 是 | 是 |
| 样本量 | 3840 | 3840 | 3840 | 3840 | 3840 | 3840 |
| R2 | 0.9890 | 0.9889 | 0.9891 | 0.9890 | 0.9890 | 0.9891 |
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