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Digital Technology, Economic Efficiency, and Urban Industrial Structure Upgrading, columnId=1149284495636906656, journalTitle=Journal of Technology Economics, columnName=Technology Economics Evaluation, runingTitle=null, highlight=null, articleAbstract=
Based on analyzing the impact mechanism of digital technology development on the upgrading of urban industrial structure in China, the panel data of 276 cities from 2011 to 2021 were used to build a digital technology development index, and the impact of digital technology on the urban industrial structure has been empirically tested using the dual fixed effect model and the intermediary effect model. The findings are as follows. Digital technology can significantly promote the upgrading of urban industrial structure and promote the advancement of urban industrial structure. Economic efficiency is an intermediary variable that digital technology promotes the upgrading of urban industrial structure. Digital technology improves economic efficiency by reducing transaction costs, improving transaction efficiency, and deepening labor division, thereby indirectly promoting the process of urban industrial structure upgrading. The impact of digital technology on the upgrading of urban industrial structure exhibits regional heterogeneity. It plays a crucial role in driving the transition towards high-end development in relatively less developed regions, such as the Midwest. Based on this, it is recommended to strengthen the construction of digital infrastructure, focus on building a complete data element market, bridge the "digital divide" between regions, formulate industrial digitalization policies tailored to local conditions, accelerate the integration and development of digital technology and the real economy, to fully leverage the positive promotion effect of digital technology on the upgrading of urban industrial structure and promote the upgrading of urban industrial structure.
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在分析数字技术发展对我国城市产业结构升级的影响机制基础上,采用2011—2021年276个城市的面板数据,构建数字技术发展指数,运用双重固定效应模型和中介效应模型实证检验数字技术对城市产业结构的影响。研究结果表明,数字技术能够显著推动城市产业结构升级,促进城市产业结构实现高级化;经济效率是数字技术推动城市产业结构升级的中介变量,数字技术通过降低交易成本、提升交易效率,以及深化劳动分工等途径提升经济效率,进而对城市产业结构升级进程形成间接促进效应;数字技术对城市产业结构升级的影响存在区域异质性,对于中西部等相对落后地区的城市产业结构实现向高端化的跨越发展具有重要的推动作用。据此,建议加强数字化基础设施建设,着力构建完善的数据要素市场,弥合区域间“数字鸿沟”,因地制宜制定产业数字化政策,加快数字技术与实体经济融合发展,以充分发挥数字技术对城市产业结构高级化的正向促进效应,推进城市产业结构升级。
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米瑞华,博士,延安大学经济与管理学院副教授,硕士研究生导师,研究方向:人口经济,人口地理;
倪世龙,延安大学经济与管理学院硕士研究生,研究方向:人口经济,人口地理;
刘书敏,延安大学经济与管理学院硕士研究生,研究方向:人口经济、人口地理。
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刘书敏,延安大学经济与管理学院硕士研究生,研究方向:人口经济、人口地理。
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刘书敏,延安大学经济与管理学院硕士研究生,研究方向:人口经济、人口地理。
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管理世界 ,
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36 ( 10 ): 65 - 76 ., articleTitle=数字经济、创业活跃度与高质量发展——来自中国城市的经验证据, refAbstract=null)], funds=[Fund(id=1156880336824127634, tenantId=1146029695717560320, journalId=1146120045056339983, articleId=1156642661999174605, awardId=21BRK033, language=CN, fundingSource=国家社会科学基金一般项目“数字技术驱动下的我国人口分布转型研究”(21BRK033), fundOrder=null, country=null), Fund(id=1156880336891236500, tenantId=1146029695717560320, journalId=1146120045056339983, articleId=1156642661999174605, awardId=2021KRM169, language=CN, fundingSource=陕西省创新能力支撑计划项目“区块链+5G技术对陕西省人口空间结构的影响研究”(2021KRM169), fundOrder=null, country=null), Fund(id=1156880336949956758, tenantId=1146029695717560320, journalId=1146120045056339983, articleId=1156642661999174605, awardId=2020F005, language=CN, fundingSource=陕西省社会科学基金项目“区块链技术对大西安人口空间结构的改造研究”(2020F005), fundOrder=null, country=null)], companyList=[AuthorCompany(id=1156880333258969168, tenantId=1146029695717560320, journalId=1146120045056339983, articleId=1156642661999174605, xref=null, ext=[AuthorCompanyExt(id=1156880333271552081, tenantId=1146029695717560320, journalId=1146120045056339983, articleId=1156642661999174605, companyId=1156880333258969168, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=School of Economics and Management Yan'an University Yan'an 716000 China), AuthorCompanyExt(id=1156880333288329298, tenantId=1146029695717560320, journalId=1146120045056339983, articleId=1156642661999174605, companyId=1156880333258969168, language=CN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=延安大学 经济与管理学院 延安 716000)])], figs=[ArticleFig(id=1156880335867826292, tenantId=1146029695717560320, journalId=1146120045056339983, articleId=1156642661999174605, language=EN, label=null, caption=null, figureFileSmall=null, figureFileBig=null, tableContent=
| 变量 | 指标名称 | 符号 | 样本量 | 均值 | 标准差 | 最小值 | 最大值 |
| 被解释变量 | 产业结构发展水平 | Ind-up | 3036 | 0.810 | 0.434 | 0.113 | 4.456 |
| 核心解释变量 | 数字技术发展水平 | Digital | 3036 | 4.099 | 0.068 | 3.953 | 4.521 |
| 中介变量 | 交易成本 | Tra-co | 3036 | 11.678 | 2.244 | 4.960 | 19.164 |
| 交易效率 | Tra-ef | 3036 | 5.592 | 2.278 | 0.073 | 19.294 |
| 劳动分工 | Labor | 3036 | 1.051 | 0.792 | 0.159 | 9.288 |
| 控制变量 | 经济社会发展水平 | Per-gdp | 3036 | 4.674 | 0.247 | 3.840 | 5.368 |
| 教育与科技投入 | Edu-tech | 3036 | 0.194 | 0.061 | 0.011 | 2.162 |
| 对外开放程度 | Fdi | 3036 | 0.016 | 0.02 | 0.000 | 0.212 |
| 人力资本状况 | Hcl | 3036 | 1.833 | 2.095 | 0.005 | 13.752 |
| 城镇化率 | ${Urb}$ | 3036 | 55.686 | 13.201 | 6.491 | 100.000 |
| 基础设施建设水平 | Per-road | 3036 | 1.219 | 0.192 | 0.137 | 2.487 |
), ArticleFig(id=1156880335951712375, tenantId=1146029695717560320, journalId=1146120045056339983, articleId=1156642661999174605, language=CN, label=表1, caption=
变量的描述性统计, figureFileSmall=null, figureFileBig=null, tableContent=
| 变量 | 指标名称 | 符号 | 样本量 | 均值 | 标准差 | 最小值 | 最大值 |
| 被解释变量 | 产业结构发展水平 | Ind-up | 3036 | 0.810 | 0.434 | 0.113 | 4.456 |
| 核心解释变量 | 数字技术发展水平 | Digital | 3036 | 4.099 | 0.068 | 3.953 | 4.521 |
| 中介变量 | 交易成本 | Tra-co | 3036 | 11.678 | 2.244 | 4.960 | 19.164 |
| 交易效率 | Tra-ef | 3036 | 5.592 | 2.278 | 0.073 | 19.294 |
| 劳动分工 | Labor | 3036 | 1.051 | 0.792 | 0.159 | 9.288 |
| 控制变量 | 经济社会发展水平 | Per-gdp | 3036 | 4.674 | 0.247 | 3.840 | 5.368 |
| 教育与科技投入 | Edu-tech | 3036 | 0.194 | 0.061 | 0.011 | 2.162 |
| 对外开放程度 | Fdi | 3036 | 0.016 | 0.02 | 0.000 | 0.212 |
| 人力资本状况 | Hcl | 3036 | 1.833 | 2.095 | 0.005 | 13.752 |
| 城镇化率 | ${Urb}$ | 3036 | 55.686 | 13.201 | 6.491 | 100.000 |
| 基础设施建设水平 | Per-road | 3036 | 1.219 | 0.192 | 0.137 | 2.487 |
), ArticleFig(id=1156880336035598461, tenantId=1146029695717560320, journalId=1146120045056339983, articleId=1156642661999174605, language=EN, label=null, caption=null, figureFileSmall=null, figureFileBig=null, tableContent=
| 变量 | Ind-up |
| (1) | (2) | (3) |
| Digital | 2.168***(17.79) | 1.159***(9.84) | 0.407***(4.54) |
| Per-gdp | | 0.659 (18.19) | 0.136***(5.66) |
| Edu-tech | | $-{0.742}{}^{***}$(-16.13) | $-{0.393}^{***}$(-9.95) |
| Fdi | | $-{2.511}^{***}$(-8.48) | $-{0.728}^{**}$(-3.28) |
| Hcl | | -0.022***(-5.49) | $-{0.022}{}^{***}$(-7.33) |
| ${Urb}$ | | 0.002***(3.76) | 0.001 (1.58) |
| Per-road | | 0.335***(10.74) | 0.${110}^{*}$(2.18) |
| Cons | -8.062***(-16.16) | $-{7.324}{}^{***}$(-15.84) | 0.535 (1.37) |
| 时间固定效应 | No | No | Yes |
| 个体固定效应 | No | No | Yes |
| 样本数 | 3036 | 3036 | 3036 |
| ${R}^{2}$ | 0.57 | 0.65 | 0.69 |
), ArticleFig(id=1156880336106901632, tenantId=1146029695717560320, journalId=1146120045056339983, articleId=1156642661999174605, language=CN, label=表2, caption=
数字技术对城市产业结构升级的基准结果, figureFileSmall=null, figureFileBig=null, tableContent=
| 变量 | Ind-up |
| (1) | (2) | (3) |
| Digital | 2.168***(17.79) | 1.159***(9.84) | 0.407***(4.54) |
| Per-gdp | | 0.659 (18.19) | 0.136***(5.66) |
| Edu-tech | | $-{0.742}{}^{***}$(-16.13) | $-{0.393}^{***}$(-9.95) |
| Fdi | | $-{2.511}^{***}$(-8.48) | $-{0.728}^{**}$(-3.28) |
| Hcl | | -0.022***(-5.49) | $-{0.022}{}^{***}$(-7.33) |
| ${Urb}$ | | 0.002***(3.76) | 0.001 (1.58) |
| Per-road | | 0.335***(10.74) | 0.${110}^{*}$(2.18) |
| Cons | -8.062***(-16.16) | $-{7.324}{}^{***}$(-15.84) | 0.535 (1.37) |
| 时间固定效应 | No | No | Yes |
| 个体固定效应 | No | No | Yes |
| 样本数 | 3036 | 3036 | 3036 |
| ${R}^{2}$ | 0.57 | 0.65 | 0.69 |
), ArticleFig(id=1156880336178204802, tenantId=1146029695717560320, journalId=1146120045056339983, articleId=1156642661999174605, language=EN, label=null, caption=null, figureFileSmall=null, figureFileBig=null, tableContent=
| 变量 | 替换被解释变量 | 剔除特殊 城市 | IV 估计 |
| (1) Ind-up | (2) Ind-rat | (3) Ind-up | (4) Ind-up |
| Digital | 1.845**(3.15) | $-{0.418}^{***}$(-4.32) | 0.687***(3.33) | 1.067**(2.60) |
| Control | Yes | Yes | Yes | Yes |
| Cons | -2.433 (-1.10) | 3.833***(8.55) | -0.427 (-0.48) | -2.039 (-1.30) |
| 时间固定 效应 | Yes | Yes | Yes | Yes |
| 个体固定 效应 | Yes | Yes | Yes | Yes |
| Kleibergen- Paap rk LM statistic | | | | 13.499 [0.0002] |
| Kleibergen- Paap Wald rk $F$ statistic | | | | 27.908 16.38 |
| 样本数 | 3036 | 3036 | 2970 | 3036 |
| ${R}^{2}$ | 0.48 | 0.41 | 0.70 | 0.69 |
), ArticleFig(id=1156880336228536453, tenantId=1146029695717560320, journalId=1146120045056339983, articleId=1156642661999174605, language=CN, label=表3, caption=
稳健性及内生性检验, figureFileSmall=null, figureFileBig=null, tableContent=
| 变量 | 替换被解释变量 | 剔除特殊 城市 | IV 估计 |
| (1) Ind-up | (2) Ind-rat | (3) Ind-up | (4) Ind-up |
| Digital | 1.845**(3.15) | $-{0.418}^{***}$(-4.32) | 0.687***(3.33) | 1.067**(2.60) |
| Control | Yes | Yes | Yes | Yes |
| Cons | -2.433 (-1.10) | 3.833***(8.55) | -0.427 (-0.48) | -2.039 (-1.30) |
| 时间固定 效应 | Yes | Yes | Yes | Yes |
| 个体固定 效应 | Yes | Yes | Yes | Yes |
| Kleibergen- Paap rk LM statistic | | | | 13.499 [0.0002] |
| Kleibergen- Paap Wald rk $F$ statistic | | | | 27.908 16.38 |
| 样本数 | 3036 | 3036 | 2970 | 3036 |
| ${R}^{2}$ | 0.48 | 0.41 | 0.70 | 0.69 |
), ArticleFig(id=1156880336278868103, tenantId=1146029695717560320, journalId=1146120045056339983, articleId=1156642661999174605, language=EN, label=null, caption=null, figureFileSmall=null, figureFileBig=null, tableContent=
| 变量 | Ind-up |
| (1)25% | (2)50% | (3)75% |
| Digital | 2.006***(13.74) | 2.335***(11.42) | 3.649***(8.46) |
| Control | Yes | Yes | Yes |
| Cons | -6.571***(-12.11) | $-{8.328}{}^{***}$(-11.04) | $-{13.520}{}^{***}$(-7.99) |
| 时间固定效应 | Yes | Yes | Yes |
| 个体固定效应 | Yes | Yes | Yes |
| 样本数 | 3036 | 3036 | 3036 |
| ${R}^{2}$ | 0.38 | 0.40 | 0.41 |
), ArticleFig(id=1156880336350171273, tenantId=1146029695717560320, journalId=1146120045056339983, articleId=1156642661999174605, language=CN, label=表4, caption=
分位数回归, figureFileSmall=null, figureFileBig=null, tableContent=
| 变量 | Ind-up |
| (1)25% | (2)50% | (3)75% |
| Digital | 2.006***(13.74) | 2.335***(11.42) | 3.649***(8.46) |
| Control | Yes | Yes | Yes |
| Cons | -6.571***(-12.11) | $-{8.328}{}^{***}$(-11.04) | $-{13.520}{}^{***}$(-7.99) |
| 时间固定效应 | Yes | Yes | Yes |
| 个体固定效应 | Yes | Yes | Yes |
| 样本数 | 3036 | 3036 | 3036 |
| ${R}^{2}$ | 0.38 | 0.40 | 0.41 |
), ArticleFig(id=1156880336417280138, tenantId=1146029695717560320, journalId=1146120045056339983, articleId=1156642661999174605, language=EN, label=null, caption=null, figureFileSmall=null, figureFileBig=null, tableContent=
| 变量 | Ind-up |
| (1)东部 | (2)中部 | (3)西部 | (4)一二线城市 | (5)三线城市及以下 |
| Digital | 0.445***(3.64) | 1.329 ${}^{**}$(2.84) | ${0.526}^{*}\left({2.31}\right)$ | ${0.450}{}^{**}\left({2.82}\right)$ | ${0.586}^{**}\left({2.84}\right)$ |
| Control | Yes | Yes | Yes | Yes | Yes |
| Cons | 0.196(0.32) | 0.235(0.12) | 0.375 (0.38) | 0.794 (0.77) | $-{0.102}\left({-{0.11}}\right)$ |
| 时间固定效应 | Yes | Yes | Yes | Yes | Yes |
| 个体固定效应 | Yes | Yes | Yes | Yes | Yes |
| 样本数 | 1100 | 1067 | 869 | 539 | 2497 |
| ${R}^{2}$ | 0.67 | 0.53 | 0.67 | 0.71 | 0.71 |
), ArticleFig(id=1156880336467611787, tenantId=1146029695717560320, journalId=1146120045056339983, articleId=1156642661999174605, language=CN, label=表5, caption=
异质性检验, figureFileSmall=null, figureFileBig=null, tableContent=
| 变量 | Ind-up |
| (1)东部 | (2)中部 | (3)西部 | (4)一二线城市 | (5)三线城市及以下 |
| Digital | 0.445***(3.64) | 1.329 ${}^{**}$(2.84) | ${0.526}^{*}\left({2.31}\right)$ | ${0.450}{}^{**}\left({2.82}\right)$ | ${0.586}^{**}\left({2.84}\right)$ |
| Control | Yes | Yes | Yes | Yes | Yes |
| Cons | 0.196(0.32) | 0.235(0.12) | 0.375 (0.38) | 0.794 (0.77) | $-{0.102}\left({-{0.11}}\right)$ |
| 时间固定效应 | Yes | Yes | Yes | Yes | Yes |
| 个体固定效应 | Yes | Yes | Yes | Yes | Yes |
| 样本数 | 1100 | 1067 | 869 | 539 | 2497 |
| ${R}^{2}$ | 0.67 | 0.53 | 0.67 | 0.71 | 0.71 |
), ArticleFig(id=1156880336534720652, tenantId=1146029695717560320, journalId=1146120045056339983, articleId=1156642661999174605, language=EN, label=null, caption=null, figureFileSmall=null, figureFileBig=null, tableContent=
| 变量 | Tra-co | Tra-ef | Labor |
| (1) | (2) | (3) | (4) | (5) | (6) |
| Digital | 0.036***(8.70) | 0.015**(2.94) | 0.691***(41.25) | 0.285***(5.88) | 1.261***(5.39) | 3.175***(6.28) |
| Control | No | Yes | No | Yes | No | Yes |
| Cons | 0.065***(8.83) | 0.584***(16.68) | 1.283***(43.16) | -0.917***(-3.76) | -4.109***(-4.29) | -7.437***(-3.33) |
| 时间固定效应 | No | Yes | No | Yes | No | Yes |
| 个体固定效应 | No | Yes | No | Yes | No | Yes |
| 样本量 | 3036 | 3036 | 3036 | 3036 | 3036 | 3036 |
| ${R}^{2}$ | 0.31 | 0.34 | 0.47 | 0.73 | 0.65 | 0.81 |
| Bootstrap | 0.170 ** | 0.005*** | 0.051 |
), ArticleFig(id=1156880336610218125, tenantId=1146029695717560320, journalId=1146120045056339983, articleId=1156642661999174605, language=CN, label=表6, caption=
影响机制检验, figureFileSmall=null, figureFileBig=null, tableContent=
| 变量 | Tra-co | Tra-ef | Labor |
| (1) | (2) | (3) | (4) | (5) | (6) |
| Digital | 0.036***(8.70) | 0.015**(2.94) | 0.691***(41.25) | 0.285***(5.88) | 1.261***(5.39) | 3.175***(6.28) |
| Control | No | Yes | No | Yes | No | Yes |
| Cons | 0.065***(8.83) | 0.584***(16.68) | 1.283***(43.16) | -0.917***(-3.76) | -4.109***(-4.29) | -7.437***(-3.33) |
| 时间固定效应 | No | Yes | No | Yes | No | Yes |
| 个体固定效应 | No | Yes | No | Yes | No | Yes |
| 样本量 | 3036 | 3036 | 3036 | 3036 | 3036 | 3036 |
| ${R}^{2}$ | 0.31 | 0.34 | 0.47 | 0.73 | 0.65 | 0.81 |
| Bootstrap | 0.170 ** | 0.005*** | 0.051 |
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