Article(id=1156903809051091172, tenantId=1146029695717560320, journalId=1146120045056339983, issueId=1156903804928090317, articleNumber=null, orderNo=null, doi=10.12404/j.issn.1002-980X.J23052904, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1695916800000, receivedDateStr=2023-09-29, revisedDate=null, revisedDateStr=null, acceptedDate=null, acceptedDateStr=null, onlineDate=1753756962310, onlineDateStr=2025-07-29, pubDate=1712678400000, pubDateStr=2024-04-10, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1753756962310, onlineIssueDateStr=2025-07-29, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1753756962310, creator=13701087609, updateTime=1753756962310, updator=13701087609, issue=Issue{id=1156903804928090317, tenantId=1146029695717560320, journalId=1146120045056339983, year='2024', volume='43', issue='4', pageStart='1', pageEnd='189', issueExtLink='null', onlineDate='null', pubDate='null', beforeIssueId=null, nextIssueId=null, price=null, status=0, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1753756961328, creator=13701087609, updateTime=1757554655516, updator=13701087609, preIssue=null, nextIssue=null, ext={EN=IssueExt(id=1172832488897524570, tenantId=1146029695717560320, journalId=1146120045056339983, issueId=1156903804928090317, language=EN, specialIssueTitle=, coverIllustrator=, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1172832488897524571, tenantId=1146029695717560320, journalId=1146120045056339983, issueId=1156903804928090317, language=CN, specialIssueTitle=, coverIllustrator=, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null}, startPage=26, endPage=37, ext={EN=ArticleExt(id=1156903809709596911, articleId=1156903809051091172, tenantId=1146029695717560320, journalId=1146120045056339983, language=EN, title=How Does Digital Economy Affect the
Quality of Export Products in Cities: Empirical Analysis Based on the Data of Yangtze River Delta, columnId=1149284495141983177, journalTitle=Journal of Technology Economics, columnName=Macro Technology Economics, runingTitle=null, highlight=null, articleAbstract=
Employing the spatial econometric model, the panel data was utilied from 41 cities in the Yangtze River Delta spanning the years 2006 to 2015 as its research sample. The influence of digital economy on the quality of urban export products was analyzed. The results show that there is a positive spatial correlation between the quality of export products on the whole, and the digital economy can significantly improve the quality of export products in cities. This conclusion is still valid in the robustness test. The mechanism test shows that the digital economy promotes technological innovation, improves the quality of imported intermediate products, promotes the high-end structure of export products, and then improves the quality of urban export products. Heterogeneity test show that the digital economy can significantly improve the quality of export products of non-private enterprises, and compared with other cities digital economy plays obvious role in promoting the quality of export products in large and above cities.
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本文采用空间计量模型,以我国长三角地区41个地级市2006—2015年的面板数据为研究样本,研究了数字经济对城市出口产品质量的影响。结果表明,城市间出口产品质量总体上存在空间正相关性,数字经济会显著提升城市出口产品质量,该结论在稳健性检验中仍成立。机制检验表明,数字经济通过促进技术创新,提高进口中间品质量,推动出口产品结构高端化,进而提升城市出口产品质量。异质性分析表明,数字经济对非私营企业出口产品质量有显著提升作用;相对于其他城市而言,数字经济对特大及以上城市出口产品质量的提升作用更明显。
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杨航英,博士,南京大学博士后流动站在站博士后,研究方向:国际贸易,商业银行管理;
强永昌,博士,复旦大学经济学院教授,博士研究生导师,国际贸易研究中心主任,研究方向:国际贸易、国际经营。
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强永昌,博士,复旦大学经济学院教授,博士研究生导师,国际贸易研究中心主任,研究方向:国际贸易、国际经营。
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| 变量 | 观测值 | 平均值 | 标准差 | 最小值 | 最大值 |
| 出口产品质量(Quality) | 410 | 0.80 | 0.03 | 0.71 | 0.90 |
| 数字经济指数 (Decon) | 410 | 0.09 | 0.12 | 0.01 | 0.77 |
| 生产率(TfP) | 410 | 0.98 | 0.10 | 0.68 | 1.85 |
| 金融发展水平(Fin) | 410 | 1.00 | 0.51 | 0.36 | 6.07 |
| 政府支出水平(Gov) | 410 | 0.14 | 0.09 | 0.06 | 1.48 |
| 投资水平(1) | 410 | 0.67 | 0.23 | 0.25 | 1.47 |
| 对外开放水平($F{di}$) | 410 | 0.03 | 0.02 | 0.00 | 0.12 |
| 工资水平(Wage) | 410 | 34128.02 | 11830.11 | 13250.69 | 77399.07 |
), ArticleFig(id=1156965340098941216, tenantId=1146029695717560320, journalId=1146120045056339983, articleId=1156903809051091172, language=CN, label=表1, caption=
变量描述性统计, figureFileSmall=null, figureFileBig=null, tableContent=
| 变量 | 观测值 | 平均值 | 标准差 | 最小值 | 最大值 |
| 出口产品质量(Quality) | 410 | 0.80 | 0.03 | 0.71 | 0.90 |
| 数字经济指数 (Decon) | 410 | 0.09 | 0.12 | 0.01 | 0.77 |
| 生产率(TfP) | 410 | 0.98 | 0.10 | 0.68 | 1.85 |
| 金融发展水平(Fin) | 410 | 1.00 | 0.51 | 0.36 | 6.07 |
| 政府支出水平(Gov) | 410 | 0.14 | 0.09 | 0.06 | 1.48 |
| 投资水平(1) | 410 | 0.67 | 0.23 | 0.25 | 1.47 |
| 对外开放水平($F{di}$) | 410 | 0.03 | 0.02 | 0.00 | 0.12 |
| 工资水平(Wage) | 410 | 34128.02 | 11830.11 | 13250.69 | 77399.07 |
), ArticleFig(id=1156965340166050081, tenantId=1146029695717560320, journalId=1146120045056339983, articleId=1156903809051091172, language=EN, label=null, caption=null, figureFileSmall=null, figureFileBig=null, tableContent=
| 检验类别 | 检验方法 | ${W}_{01}$ | ${W}_{DE}$ |
| 统计量 | 统计量 |
| LM 检验 R-LM 检验 | $\mathrm{{LM}}\left(\mathrm{{lag}}\right)$ | 29.93 *** | 37.66*** |
| R-LM($\operatorname{lag}$) | 8.98 *** | 7.11 *** |
| LM ( error ) | 21.35 *** | 31.68 ** |
| R-LM ( error ) | 0.40 | 1.13 |
| 检验结果 | SLM | SLM |
| Hausman 检验 | 随机效应模型 | 23.83 *** | 39.01 *** |
| 检验结果 | 固定效应模型 | 固定效应模型 |
| LR 检验 | 空间固定效应 | 394.59*** | ${392.91}^{**}$ |
| 时间固定效应 | 34.19 | 11.29 |
| 检验结果 | 空间固定效应 | 空间固定效应 |
), ArticleFig(id=1156965340262519075, tenantId=1146029695717560320, journalId=1146120045056339983, articleId=1156903809051091172, language=CN, label=表2, caption=
空间计量模型识别检验结果, figureFileSmall=null, figureFileBig=null, tableContent=
| 检验类别 | 检验方法 | ${W}_{01}$ | ${W}_{DE}$ |
| 统计量 | 统计量 |
| LM 检验 R-LM 检验 | $\mathrm{{LM}}\left(\mathrm{{lag}}\right)$ | 29.93 *** | 37.66*** |
| R-LM($\operatorname{lag}$) | 8.98 *** | 7.11 *** |
| LM ( error ) | 21.35 *** | 31.68 ** |
| R-LM ( error ) | 0.40 | 1.13 |
| 检验结果 | SLM | SLM |
| Hausman 检验 | 随机效应模型 | 23.83 *** | 39.01 *** |
| 检验结果 | 固定效应模型 | 固定效应模型 |
| LR 检验 | 空间固定效应 | 394.59*** | ${392.91}^{**}$ |
| 时间固定效应 | 34.19 | 11.29 |
| 检验结果 | 空间固定效应 | 空间固定效应 |
), ArticleFig(id=1156965340325433637, tenantId=1146029695717560320, journalId=1146120045056339983, articleId=1156903809051091172, language=EN, label=null, caption=null, figureFileSmall=null, figureFileBig=null, tableContent=
| 变量 | (1) | (2) | (3) | (4) | (5) | (6) |
| ${W}_{01}/$ SLM | ${W}_{01}/$ SLM | ${W}_{\mathrm{{DE}}}/$ SLM | ${W}_{\mathrm{{DE}}}/\mathrm{{SLM}}$ |
| InQuality | InQuality | InQuality | InQuality | InQuality | InQuality |
| InDecon | 0.031 ${}^{***}\left({6.44}\right)$ | 0.018**(3.26) | ${0.019}^{***}\left({6.18}\right)$ | ${0.013}^{***}\left({3.09}\right)$ | 0.012***(3.76) | ${0.010}^{**}\left({2.43}\right)$ |
| 控制变量 | 未控制 | 控制 | 未控制 | 控制 | 未控制 | 控制 |
| 空间固定效应 | | | 控制 | 控制 | 控制 | 控制 |
| $\rho$ | | | 0.426***(7.87) | 0.330**(5.81) | 0.659***(9.73) | ${0.587}^{***}\left({7.77}\right)$ |
| ${R}^{2}$ | 0.22 | 0.34 | 0.73 | 0.75 | 0.73 | 0.76 |
| $\operatorname{Log-}L$ | | | 997.16 | 1022.45 | 1001.87 | 1028.03 |
| $N$ | 410 | 410 | 410 | 410 | 410 | 410 |
), ArticleFig(id=1156965340392542503, tenantId=1146029695717560320, journalId=1146120045056339983, articleId=1156903809051091172, language=CN, label=表3, caption=
基本回归结果, figureFileSmall=null, figureFileBig=null, tableContent=
| 变量 | (1) | (2) | (3) | (4) | (5) | (6) |
| ${W}_{01}/$ SLM | ${W}_{01}/$ SLM | ${W}_{\mathrm{{DE}}}/$ SLM | ${W}_{\mathrm{{DE}}}/\mathrm{{SLM}}$ |
| InQuality | InQuality | InQuality | InQuality | InQuality | InQuality |
| InDecon | 0.031 ${}^{***}\left({6.44}\right)$ | 0.018**(3.26) | ${0.019}^{***}\left({6.18}\right)$ | ${0.013}^{***}\left({3.09}\right)$ | 0.012***(3.76) | ${0.010}^{**}\left({2.43}\right)$ |
| 控制变量 | 未控制 | 控制 | 未控制 | 控制 | 未控制 | 控制 |
| 空间固定效应 | | | 控制 | 控制 | 控制 | 控制 |
| $\rho$ | | | 0.426***(7.87) | 0.330**(5.81) | 0.659***(9.73) | ${0.587}^{***}\left({7.77}\right)$ |
| ${R}^{2}$ | 0.22 | 0.34 | 0.73 | 0.75 | 0.73 | 0.76 |
| $\operatorname{Log-}L$ | | | 997.16 | 1022.45 | 1001.87 | 1028.03 |
| $N$ | 410 | 410 | 410 | 410 | 410 | 410 |
), ArticleFig(id=1156965340455457065, tenantId=1146029695717560320, journalId=1146120045056339983, articleId=1156903809051091172, language=EN, label=null, caption=null, figureFileSmall=null, figureFileBig=null, tableContent=
| 变量 | (1) | (2) | (3) | (4) | (5) |
| ${W}_{01}/$ SLM | ${W}_{\mathrm{{DE}}}/$ SLM | ${W}_{01}/$ SLM | ${W}_{\mathrm{{DE}}}/$ SLM | ${W}_{\mathrm{D}}/$ SLM |
| InQuality | InQuality | InQuality | InQuality | InQuality |
| InDecon | 0.015***(3.56) | 0.010**(2.45) | 0.017**(2.21) | 0.016**(2.06) | 0.011**(2.44) |
| 控制变量 | 控制 | 控制 | 控制 | 控制 | 控制 |
| 空间固定效应 | 控制 | 控制 | 控制 | 控制 | 控制 |
| $\rho$ | 0.356***(6.10) | 0.603***(7.93) | 0.319***(3.81) | 0.527***(4.22) | 0.585***(7.71) |
| ${R}^{2}$ | 0.77 | 0.77 | 0.84 | 0.84 | 0.76 |
| Log-$L$ | 940.27 | 943.70 | 563.57 | 562.79 | 1027.50 |
| $N$ | 369 | 369 | 205 | 205 | 410 |
), ArticleFig(id=1156965340526760234, tenantId=1146029695717560320, journalId=1146120045056339983, articleId=1156903809051091172, language=CN, label=表4, caption=
稳健性检验, figureFileSmall=null, figureFileBig=null, tableContent=
| 变量 | (1) | (2) | (3) | (4) | (5) |
| ${W}_{01}/$ SLM | ${W}_{\mathrm{{DE}}}/$ SLM | ${W}_{01}/$ SLM | ${W}_{\mathrm{{DE}}}/$ SLM | ${W}_{\mathrm{D}}/$ SLM |
| InQuality | InQuality | InQuality | InQuality | InQuality |
| InDecon | 0.015***(3.56) | 0.010**(2.45) | 0.017**(2.21) | 0.016**(2.06) | 0.011**(2.44) |
| 控制变量 | 控制 | 控制 | 控制 | 控制 | 控制 |
| 空间固定效应 | 控制 | 控制 | 控制 | 控制 | 控制 |
| $\rho$ | 0.356***(6.10) | 0.603***(7.93) | 0.319***(3.81) | 0.527***(4.22) | 0.585***(7.71) |
| ${R}^{2}$ | 0.77 | 0.77 | 0.84 | 0.84 | 0.76 |
| Log-$L$ | 940.27 | 943.70 | 563.57 | 562.79 | 1027.50 |
| $N$ | 369 | 369 | 205 | 205 | 410 |
), ArticleFig(id=1156965340652589357, tenantId=1146029695717560320, journalId=1146120045056339983, articleId=1156903809051091172, language=EN, label=null, caption=null, figureFileSmall=null, figureFileBig=null, tableContent=
| 变量 | (1) | (2) | (3) | (4) | (5) | (6) |
| ${W}_{01}/$ SLM | ${W}_{\mathrm{{DE}}}/$ SLM | ${W}_{01}/$ SLM | ${W}_{\mathrm{{DE}}}/\mathrm{{SLM}}$ | ${W}_{01}/$ SLM | ${W}_{\mathrm{{DE}}}/$ SLM |
| InInvo | Inlnvo | InMquality | InMquality | Ceg | Ceg |
| InDecon | ${0.333}^{***}\left({5.58}\right)$ | 0.195***(3.43) | 0.022***(3.49) | 0.021 ${}^{***}\left({3.37}\right)$ | ${0.021}^{**}\left({2.01}\right)$ | ${0.020}^{**}\left({1.97}\right)$ |
| 控制变量 | 控制 | 控制 | 控制 | 控制 | 控制 | 控制 |
| 空间固定效应 | 控制 | 控制 | 控制 | 控制 | 控制 | 控制 |
| $\rho$ | 0.784***(32.44) | ${0.837}^{***}\left({37.95}\right)$ | 0.382***(6.65) | 0.433***(6.73) | ${0.136}^{**}\left({2.00}\right)$ | ${0.183}^{**}\left({2.54}\right)$ |
| ${R}^{2}$ | 0.98 | 0.98 | 0.75 | 0.75 | 0.79 | 0.78 |
| Log-$L$ | -68.82 | -46.60 | 850.11 | 852.42 | 656.37 | 654.54 |
| $N$ | 410 | 410 | 410 | 410 | 410 | 410 |
), ArticleFig(id=1156965340736475440, tenantId=1146029695717560320, journalId=1146120045056339983, articleId=1156903809051091172, language=CN, label=表5, caption=
数字经济对中介变量影响的检验结果, figureFileSmall=null, figureFileBig=null, tableContent=
| 变量 | (1) | (2) | (3) | (4) | (5) | (6) |
| ${W}_{01}/$ SLM | ${W}_{\mathrm{{DE}}}/$ SLM | ${W}_{01}/$ SLM | ${W}_{\mathrm{{DE}}}/\mathrm{{SLM}}$ | ${W}_{01}/$ SLM | ${W}_{\mathrm{{DE}}}/$ SLM |
| InInvo | Inlnvo | InMquality | InMquality | Ceg | Ceg |
| InDecon | ${0.333}^{***}\left({5.58}\right)$ | 0.195***(3.43) | 0.022***(3.49) | 0.021 ${}^{***}\left({3.37}\right)$ | ${0.021}^{**}\left({2.01}\right)$ | ${0.020}^{**}\left({1.97}\right)$ |
| 控制变量 | 控制 | 控制 | 控制 | 控制 | 控制 | 控制 |
| 空间固定效应 | 控制 | 控制 | 控制 | 控制 | 控制 | 控制 |
| $\rho$ | 0.784***(32.44) | ${0.837}^{***}\left({37.95}\right)$ | 0.382***(6.65) | 0.433***(6.73) | ${0.136}^{**}\left({2.00}\right)$ | ${0.183}^{**}\left({2.54}\right)$ |
| ${R}^{2}$ | 0.98 | 0.98 | 0.75 | 0.75 | 0.79 | 0.78 |
| Log-$L$ | -68.82 | -46.60 | 850.11 | 852.42 | 656.37 | 654.54 |
| $N$ | 410 | 410 | 410 | 410 | 410 | 410 |
), ArticleFig(id=1156965340807778612, tenantId=1146029695717560320, journalId=1146120045056339983, articleId=1156903809051091172, language=EN, label=null, caption=null, figureFileSmall=null, figureFileBig=null, tableContent=
| 变量 | (1) | (2) | (3) | (4) | (5) | (6) |
| ${W}_{01}/$ SLM | ${W}_{\mathrm{{DE}}}/\mathrm{{SLM}}$ | ${W}_{01}/$ SLM | ${W}_{\mathrm{{DE}}}/\mathrm{{SLM}}$ | ${W}_{01}/$ SLM | ${W}_{\mathrm{{DE}}}/\mathrm{{SLM}}$ |
| InMquality | InMquality | InQuality | InQuality | InQuality | InQuality |
| InDecon | ${0.008}{}^{*}\left({1.68}\right)$ | ${0.009}^{*}\left({1.80}\right)$ | ${0.011}^{***}\left({2.61}\right)$ | ${0.011}^{***}\left({2.63}\right)$ | ${0.010}{}^{**}\left({2.51}\right)$ | 0.011 *** 2.76 ) |
| InInvo | ${0.004}^{**}\left({2.06}\right)$ | ${0.004}{}^{*}\left({1.91}\right)$ | | | | |
| InMquality | | | ${0.055}^{*}\left({1.81}\right)$ | ${0.054}{}^{*}\left({1.79}\right)$ | | |
| Ceg | | | | | 0.128***(6.80) | ${0.116}^{***}\left({6.05}\right)$ |
| 控制变量 | 控制 | 控制 | 控制 | 控制 | 控制 | 控制 |
| 空间固定效应 | 控制 | 控制 | 控制 | 控制 | 控制 | 控制 |
| $\rho$ | 0.292***(4.87) | 0.321***(4.63) | ${0.331}^{***}\left({5.85}\right)$ | ${0.386}^{***}\left({6.08}\right)$ | ${0.336}^{***}\left({6.14}\right)$ | 0.341***(5.18) |
| ${R}^{2}$ | 0.75 | 0.75 | 0.76 | 0.75 | 0.78 | 0.77 |
| Log-$L$ | 1024.44 | 1022.79 | 1024.03 | 1022.81 | 1044.31 | 1038.51 |
| $N$ | 410 | 410 | 410 | 410 | 410 | 410 |
), ArticleFig(id=1156965340883276087, tenantId=1146029695717560320, journalId=1146120045056339983, articleId=1156903809051091172, language=CN, label=表6, caption=
数字经济、中介变量与城市出口产品质量的检验结果, figureFileSmall=null, figureFileBig=null, tableContent=
| 变量 | (1) | (2) | (3) | (4) | (5) | (6) |
| ${W}_{01}/$ SLM | ${W}_{\mathrm{{DE}}}/\mathrm{{SLM}}$ | ${W}_{01}/$ SLM | ${W}_{\mathrm{{DE}}}/\mathrm{{SLM}}$ | ${W}_{01}/$ SLM | ${W}_{\mathrm{{DE}}}/\mathrm{{SLM}}$ |
| InMquality | InMquality | InQuality | InQuality | InQuality | InQuality |
| InDecon | ${0.008}{}^{*}\left({1.68}\right)$ | ${0.009}^{*}\left({1.80}\right)$ | ${0.011}^{***}\left({2.61}\right)$ | ${0.011}^{***}\left({2.63}\right)$ | ${0.010}{}^{**}\left({2.51}\right)$ | 0.011 *** 2.76 ) |
| InInvo | ${0.004}^{**}\left({2.06}\right)$ | ${0.004}{}^{*}\left({1.91}\right)$ | | | | |
| InMquality | | | ${0.055}^{*}\left({1.81}\right)$ | ${0.054}{}^{*}\left({1.79}\right)$ | | |
| Ceg | | | | | 0.128***(6.80) | ${0.116}^{***}\left({6.05}\right)$ |
| 控制变量 | 控制 | 控制 | 控制 | 控制 | 控制 | 控制 |
| 空间固定效应 | 控制 | 控制 | 控制 | 控制 | 控制 | 控制 |
| $\rho$ | 0.292***(4.87) | 0.321***(4.63) | ${0.331}^{***}\left({5.85}\right)$ | ${0.386}^{***}\left({6.08}\right)$ | ${0.336}^{***}\left({6.14}\right)$ | 0.341***(5.18) |
| ${R}^{2}$ | 0.75 | 0.75 | 0.76 | 0.75 | 0.78 | 0.77 |
| Log-$L$ | 1024.44 | 1022.79 | 1024.03 | 1022.81 | 1044.31 | 1038.51 |
| $N$ | 410 | 410 | 410 | 410 | 410 | 410 |
), ArticleFig(id=1156965340950384955, tenantId=1146029695717560320, journalId=1146120045056339983, articleId=1156903809051091172, language=EN, label=null, caption=null, figureFileSmall=null, figureFileBig=null, tableContent=
| 变量 | (1) | (2) | (3) | (4) | (5) | (6) | (7) | (8) |
| ${W}_{01}/\mathrm{{SLM}}$ | ${W}_{\mathrm{{DE}}}/\mathrm{{SLM}}$ | ${W}_{01}/\mathrm{{SLM}}$ | ${W}_{\mathrm{{DE}}}/\mathrm{{SLM}}$ | ${W}_{01}/\mathrm{{SLM}}$ | ${W}_{\mathrm{{DE}}}/\mathrm{{SLM}}$ | ${W}_{01}/$ SLM | ${W}_{\mathrm{{DE}}}/\mathrm{{SLM}}$ |
| 私营企业 | 非私营企业 | 特大及以上城市 | 特大以下城市 |
| InDecon | 0.008 (1.37) | 0.004 (0.62) | 0.021***(3.80) | 0.014***(2.62) | 0.025***(3.80) | 0.020***(3.05) | 0.020***(3.08) | 0.016***(2.69) |
| 控制变量 | 控制 | 控制 | 控制 | 控制 | 控制 | 控制 | 控制 | 控制 |
| 空间固定效应 | 控制 | 控制 | 控制 | 控制 | 控制 | 控制 | 控制 | 控制 |
| $\rho$ | 0.291***(4.92) | 0.580***(7.25) | 0.356***(6.29) | 0.681***(10.92) | 0.143***(2.27) | 0.515***(5.53) | 0.130 *(1.88) | 0.376***(3.38) |
| ${R}^{2}$ | 0.59 | 0.61 | 0.69 | 0.71 | 0.82 | 0.84 | 0.74 | 0.70 |
| Log-$L$ | 886.06 | 894.48 | 913.71 | 932.43 | 457.74 | 465.29 | 1014.28 | 572.45 |
| $N$ | 410 | 410 | 410 | 410 | 170 | 170 | 240 | 240 |
), ArticleFig(id=1156965341021688125, tenantId=1146029695717560320, journalId=1146120045056339983, articleId=1156903809051091172, language=CN, label=表7, caption=
企业所有制与城市规模异质性估计结果, figureFileSmall=null, figureFileBig=null, tableContent=
| 变量 | (1) | (2) | (3) | (4) | (5) | (6) | (7) | (8) |
| ${W}_{01}/\mathrm{{SLM}}$ | ${W}_{\mathrm{{DE}}}/\mathrm{{SLM}}$ | ${W}_{01}/\mathrm{{SLM}}$ | ${W}_{\mathrm{{DE}}}/\mathrm{{SLM}}$ | ${W}_{01}/\mathrm{{SLM}}$ | ${W}_{\mathrm{{DE}}}/\mathrm{{SLM}}$ | ${W}_{01}/$ SLM | ${W}_{\mathrm{{DE}}}/\mathrm{{SLM}}$ |
| 私营企业 | 非私营企业 | 特大及以上城市 | 特大以下城市 |
| InDecon | 0.008 (1.37) | 0.004 (0.62) | 0.021***(3.80) | 0.014***(2.62) | 0.025***(3.80) | 0.020***(3.05) | 0.020***(3.08) | 0.016***(2.69) |
| 控制变量 | 控制 | 控制 | 控制 | 控制 | 控制 | 控制 | 控制 | 控制 |
| 空间固定效应 | 控制 | 控制 | 控制 | 控制 | 控制 | 控制 | 控制 | 控制 |
| $\rho$ | 0.291***(4.92) | 0.580***(7.25) | 0.356***(6.29) | 0.681***(10.92) | 0.143***(2.27) | 0.515***(5.53) | 0.130 *(1.88) | 0.376***(3.38) |
| ${R}^{2}$ | 0.59 | 0.61 | 0.69 | 0.71 | 0.82 | 0.84 | 0.74 | 0.70 |
| Log-$L$ | 886.06 | 894.48 | 913.71 | 932.43 | 457.74 | 465.29 | 1014.28 | 572.45 |
| $N$ | 410 | 410 | 410 | 410 | 170 | 170 | 240 | 240 |
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