Article(id=1174385908519420139, tenantId=1146029695717560320, journalId=1146123222451335185, issueId=1174385906053165285, articleNumber=1671-1807(2025)14-0001-08, orderNo=null, doi=null, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1741104000000, receivedDateStr=2025-03-05, revisedDate=null, revisedDateStr=null, acceptedDate=null, acceptedDateStr=null, onlineDate=1757925019626, onlineDateStr=2025-09-15, pubDate=1753372800000, pubDateStr=2025-07-25, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1757925019626, onlineIssueDateStr=2025-09-15, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1757925019626, creator=13701087609, updateTime=1757925019626, updator=13701087609, issue=Issue{id=1174385906053165285, tenantId=1146029695717560320, journalId=1146123222451335185, year='2025', volume='25', issue='14', pageStart='1', pageEnd='286', issueExtLink='null', onlineDate='null', pubDate='null', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1757925019038, creator=13701087609, updateTime=1758072769121, updator=13701087609, preIssue=null, nextIssue=null, ext={EN=IssueExt(id=1175005614947316471, tenantId=1146029695717560320, journalId=1146123222451335185, issueId=1174385906053165285, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1175005614947316472, tenantId=1146029695717560320, journalId=1146123222451335185, issueId=1174385906053165285, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null}, startPage=1, endPage=8, ext={EN=ArticleExt(id=1174385908792049900, articleId=1174385908519420139, tenantId=1146029695717560320, journalId=1146123222451335185, language=EN, title=Impact of the Digital Economy on the Structure of Labor Force Demand in China: An Empirical Analysis Based on Machine Learning, columnId=1151876674645226399, journalTitle=Science Technology and Industry, columnName=Technology Innovation, runingTitle=null, highlight=null, articleAbstract=
A comprehensive indicator system for digital economy development was constructed, and provincial-level data from 2011 to 2021 were analyzed to explore the linear and nonlinear effects of digital economy on differently-skilled labor demand, with marketization level examined as a mediating variable in the linear pathway analysis and a random forest model was applied to investigate nonlinear relationships. The results show that the digital economy significantly increases high-skilled labor demand while reducing medium-and low-skilled labor requirements, and through marketization mechanisms, it primarily decreases medium-skilled labor demand and elevates high-skilled labor proportion, with nonlinear analysis revealing that high-skilled demand demonstrates initial marginal growth followed by stabilization, while medium-skilled and low-skilled demand undergoes marginal decline with subsequent low-level adjustments. Sectoral variations are also observed, as the industrial sector exhibits greater demand for high-skilled labor, contrasting with the construction sector. While medium-skilled labor shows higher affinity for service and construction industries, and low-skilled labor remains concentrated in agriculture-related sectors, highlighting the technology-driven skill restructuring effect of digital transformation across industries.
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构建数字经济发展综合指标体系,基于2011—2021年省级层面数据,以市场化水平为中介变量探究数字经济对不同技能劳动力需求的线性影响路径,并利用随机森林模型考察数字经济对不同技能劳动力需求的非线性效应。结果表明:整体上数字经济显著增加高技能劳动力需求,降低中、低技能劳动力需求;数字经济发展通过市场化水平主要减少中等技能劳动力需求,提高高技能劳动力占比;进一步地,非线性分析揭示高技能劳动力需求呈现初期边际递增而后趋稳的阶段性特征,中、低技能劳动力需求则呈现边际递减与低位回调的动态演变。从行业的角度来看,工业对高技能劳动力需求较大,建筑业相反,中等技能劳动力更容易受到服务业和建筑业的青睐,低技能劳动力主要集中在农林牧渔业。
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魏峰(1974—),女,安徽宿州人,博士,副教授,研究方向为技术进步与技术创新理论;
王硕(2001—),男,安徽亳州人,硕士研究生,研究方向为技术进步与技术创新理论。
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魏峰(1974—),女,安徽宿州人,博士,副教授,研究方向为技术进步与技术创新理论;
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魏峰(1974—),女,安徽宿州人,博士,副教授,研究方向为技术进步与技术创新理论;
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王硕(2001—),男,安徽亳州人,硕士研究生,研究方向为技术进步与技术创新理论。
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王硕(2001—),男,安徽亳州人,硕士研究生,研究方向为技术进步与技术创新理论。
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高技能劳动力需求下各变量重要性, figureFileSmall=z5LYUjfTvorXyecZOXcjZA==, figureFileBig=oUY9VAEQxcBWqey1J8zdHQ==, tableContent=null), ArticleFig(id=1175040227379921429, tenantId=1146029695717560320, journalId=1146123222451335185, articleId=1174385908519420139, language=EN, label=null, caption=null, figureFileSmall=dJyZQlVLcGKySShSRX9Cng==, figureFileBig=Ws4gmtrMrxdjKWksqzR+Ig==, tableContent=null), ArticleFig(id=1175040227459613206, tenantId=1146029695717560320, journalId=1146123222451335185, articleId=1174385908519420139, language=CN, label=图2, caption=
中等技能劳动力需求下各变量重要性, figureFileSmall=dJyZQlVLcGKySShSRX9Cng==, figureFileBig=Ws4gmtrMrxdjKWksqzR+Ig==, tableContent=null), ArticleFig(id=1175040227530916375, tenantId=1146029695717560320, journalId=1146123222451335185, articleId=1174385908519420139, language=EN, label=null, caption=null, figureFileSmall=W/op3DEV+8eNF+/QcdTiRw==, figureFileBig=KsOEBgFfCsdZSzDlFoFIfw==, tableContent=null), ArticleFig(id=1175040227598025240, tenantId=1146029695717560320, journalId=1146123222451335185, articleId=1174385908519420139, language=CN, label=图3, caption=
低技能劳动力需求下各变量重要性, figureFileSmall=W/op3DEV+8eNF+/QcdTiRw==, figureFileBig=KsOEBgFfCsdZSzDlFoFIfw==, tableContent=null), ArticleFig(id=1175040227665134105, tenantId=1146029695717560320, journalId=1146123222451335185, articleId=1174385908519420139, language=EN, label=null, caption=null, figureFileSmall=mUaHzrM5eOh7SyiHKltkXg==, figureFileBig=wxiQIyft+/qJy+2jF9vEvQ==, tableContent=null), ArticleFig(id=1175040227744825882, tenantId=1146029695717560320, journalId=1146123222451335185, articleId=1174385908519420139, language=CN, label=图4, caption=
数字经济对高技能劳动力需求的偏依赖关系, figureFileSmall=mUaHzrM5eOh7SyiHKltkXg==, figureFileBig=wxiQIyft+/qJy+2jF9vEvQ==, tableContent=null), ArticleFig(id=1175040227807740443, tenantId=1146029695717560320, journalId=1146123222451335185, articleId=1174385908519420139, language=EN, label=null, caption=null, figureFileSmall=0IMU8s4UaTtFh9i0Ecu1kA==, figureFileBig=6v1+4i0tkoIgiRlBY2wNKA==, tableContent=null), ArticleFig(id=1175040227879043612, tenantId=1146029695717560320, journalId=1146123222451335185, articleId=1174385908519420139, language=CN, label=图5, caption=
数字经济对中等技能劳动力需求的偏依赖关系, figureFileSmall=0IMU8s4UaTtFh9i0Ecu1kA==, figureFileBig=6v1+4i0tkoIgiRlBY2wNKA==, tableContent=null), ArticleFig(id=1175040227937763869, tenantId=1146029695717560320, journalId=1146123222451335185, articleId=1174385908519420139, language=EN, label=null, caption=null, figureFileSmall=TsA+fETAq8CvXJJeXefjDw==, figureFileBig=v5SXkBLYTjSmAOEwUu4Bew==, tableContent=null), ArticleFig(id=1175040227996484126, tenantId=1146029695717560320, journalId=1146123222451335185, articleId=1174385908519420139, language=CN, label=图6, caption=
数字经济对低技能劳动力需求的偏依赖关系, figureFileSmall=TsA+fETAq8CvXJJeXefjDw==, figureFileBig=v5SXkBLYTjSmAOEwUu4Bew==, tableContent=null), ArticleFig(id=1175040228059398687, tenantId=1146029695717560320, journalId=1146123222451335185, articleId=1174385908519420139, language=EN, label=null, caption=null, figureFileSmall=null, figureFileBig=null, tableContent=
| 被解释变量 | 平均值 | 最大值 | 最小值 | 标准差 |
| HL | 0.198 7 | 0.630 0 | 0.079 9 | 0.102 1 |
| ML | 0.603 3 | 0.764 0 | 0.344 0 | 0.081 4 |
| LL | 0.198 0 | 0.473 0 | 0.021 0 | 0.088 6 |
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高、中、低技能劳动力需求占比
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| 被解释变量 | 平均值 | 最大值 | 最小值 | 标准差 |
| HL | 0.198 7 | 0.630 0 | 0.079 9 | 0.102 1 |
| ML | 0.603 3 | 0.764 0 | 0.344 0 | 0.081 4 |
| LL | 0.198 0 | 0.473 0 | 0.021 0 | 0.088 6 |
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| 主指标 | 一级指标 | 二级指标 | 指标属性 |
| 数字经济 | 数字经济 载体 | 移动电话普及程度 | 正向 |
| 互联网普及程度 | 正向 |
| 信息传输广度 | 正向 |
| 信号覆盖广度 | 正向 |
| 互联网宽带基建 | 正向 |
| 数字服务投资力度 | 正向 |
| 数字产业化 | 邮电业发展水平 | 正向 |
| 电子信息制造业发展水平 | 正向 |
| 软件和信息技术服务业 | 正向 |
| 产业数字化 | 企业数字化发展程度 | 正向 |
| 数字普惠金融发展水平 | 正向 |
), ArticleFig(id=1175040228319445538, tenantId=1146029695717560320, journalId=1146123222451335185, articleId=1174385908519420139, language=CN, label=表2, caption=
数字经济发展评价指标体系
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| 主指标 | 一级指标 | 二级指标 | 指标属性 |
| 数字经济 | 数字经济 载体 | 移动电话普及程度 | 正向 |
| 互联网普及程度 | 正向 |
| 信息传输广度 | 正向 |
| 信号覆盖广度 | 正向 |
| 互联网宽带基建 | 正向 |
| 数字服务投资力度 | 正向 |
| 数字产业化 | 邮电业发展水平 | 正向 |
| 电子信息制造业发展水平 | 正向 |
| 软件和信息技术服务业 | 正向 |
| 产业数字化 | 企业数字化发展程度 | 正向 |
| 数字普惠金融发展水平 | 正向 |
), ArticleFig(id=1175040228382360099, tenantId=1146029695717560320, journalId=1146123222451335185, articleId=1174385908519420139, language=EN, label=null, caption=null, figureFileSmall=null, figureFileBig=null, tableContent=
| 变量 | HL | ML | LL |
| (1) | (2) | (3) |
| DIG | 0.300*** (0.024) | -0.255*** (0.029) | -0.044* (0.026) |
| 常数项 | -0.312* (0.161) | 0.682*** (0.189) | 0.640*** (0.171) |
| 控制变量 | 是 | 是 | 是 |
| 时间因素 | 是 | 是 | 是 |
| 地区因素 | 是 | 是 | 是 |
| R2 | 0.810 8 | 0.578 5 | 0.321 5 |
| 观测值 | 330 | 330 | 330 |
), ArticleFig(id=1175040228462051876, tenantId=1146029695717560320, journalId=1146123222451335185, articleId=1174385908519420139, language=CN, label=表3, caption=
数字经济对不同技能劳动力需求的直接影响
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| 变量 | HL | ML | LL |
| (1) | (2) | (3) |
| DIG | 0.300*** (0.024) | -0.255*** (0.029) | -0.044* (0.026) |
| 常数项 | -0.312* (0.161) | 0.682*** (0.189) | 0.640*** (0.171) |
| 控制变量 | 是 | 是 | 是 |
| 时间因素 | 是 | 是 | 是 |
| 地区因素 | 是 | 是 | 是 |
| R2 | 0.810 8 | 0.578 5 | 0.321 5 |
| 观测值 | 330 | 330 | 330 |
), ArticleFig(id=1175040228529160741, tenantId=1146029695717560320, journalId=1146123222451335185, articleId=1174385908519420139, language=EN, label=null, caption=null, figureFileSmall=null, figureFileBig=null, tableContent=
| 变量 | HL | ML | LL |
| (1) | (2) | (3) |
| ①Score | 0.019*** (0.001) | -0.017*** (0.002) | -0.008* (0.002) |
| ②DIG-IV | 0.003 82*** (0.000 42) | -0.003 19*** (0.000 44) | -0.000 63** (0.000 29) |
| ②不可识别检验 | 83.605 [0.000] | 83.377 [0.000] | 83.377 [0.000] |
| ②弱IV检验 | 49.709 (16.38) | 99.394 (16.38) | 99.394 (16.38) |
| 控制变量 | 是 | 是 | 是 |
| 时间因素 | 是 | 是 | 是 |
| 个体因素 | 是 | 是 | 是 |
| 观测值 | 330 | 330 | 330 |
), ArticleFig(id=1175040228587880998, tenantId=1146029695717560320, journalId=1146123222451335185, articleId=1174385908519420139, language=CN, label=表4, caption=
稳健性检验
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| 变量 | HL | ML | LL |
| (1) | (2) | (3) |
| ①Score | 0.019*** (0.001) | -0.017*** (0.002) | -0.008* (0.002) |
| ②DIG-IV | 0.003 82*** (0.000 42) | -0.003 19*** (0.000 44) | -0.000 63** (0.000 29) |
| ②不可识别检验 | 83.605 [0.000] | 83.377 [0.000] | 83.377 [0.000] |
| ②弱IV检验 | 49.709 (16.38) | 99.394 (16.38) | 99.394 (16.38) |
| 控制变量 | 是 | 是 | 是 |
| 时间因素 | 是 | 是 | 是 |
| 个体因素 | 是 | 是 | 是 |
| 观测值 | 330 | 330 | 330 |
), ArticleFig(id=1175040228659184167, tenantId=1146029695717560320, journalId=1146123222451335185, articleId=1174385908519420139, language=EN, label=null, caption=null, figureFileSmall=null, figureFileBig=null, tableContent=
| 变量 | (1) | (2) | (3) | (4) |
| HL | ML | LL |
| DIG | 1.700*** (0.596) | 0.291*** (0.025) | -0.240*** (0.029) | -0.051* (0.026) |
| Makett-1 | | 0.005** (0.002) | -0.009*** (0.003) | 0.004 (0.003) |
| 常数项 | 1.093*** (3.930) | -0.318 (0.160) | 0.692*** (0.186) | 0.636*** (0.171) |
| 时间因素 | 是 | 是 | 是 | 是 |
| 地区因素 | 是 | 是 | 是 | 是 |
| 控制变量 | 是 | 是 | 是 | 是 |
| R2 | 0.656 8 | 0.813 9 | 0.593 9 | 0.326 7 |
| F | 93.79 | 183.10 | 61.21 | 20.31 |
| 观测值 | 330 | 330 | 330 | 330 |
), ArticleFig(id=1175040228747264552, tenantId=1146029695717560320, journalId=1146123222451335185, articleId=1174385908519420139, language=CN, label=表5, caption=
数字经济影响不同技能劳动力需求的中介效应
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| 变量 | (1) | (2) | (3) | (4) |
| HL | ML | LL |
| DIG | 1.700*** (0.596) | 0.291*** (0.025) | -0.240*** (0.029) | -0.051* (0.026) |
| Makett-1 | | 0.005** (0.002) | -0.009*** (0.003) | 0.004 (0.003) |
| 常数项 | 1.093*** (3.930) | -0.318 (0.160) | 0.692*** (0.186) | 0.636*** (0.171) |
| 时间因素 | 是 | 是 | 是 | 是 |
| 地区因素 | 是 | 是 | 是 | 是 |
| 控制变量 | 是 | 是 | 是 | 是 |
| R2 | 0.656 8 | 0.813 9 | 0.593 9 | 0.326 7 |
| F | 93.79 | 183.10 | 61.21 | 20.31 |
| 观测值 | 330 | 330 | 330 | 330 |
), ArticleFig(id=1175040228814373417, tenantId=1146029695717560320, journalId=1146123222451335185, articleId=1174385908519420139, language=EN, label=null, caption=null, figureFileSmall=null, figureFileBig=null, tableContent=
| 行业 | 比例/% |
| HL | ML | LL |
| 农林牧渔业 | +2.73 | -38.29 | +44.27 |
| 工业 | +53.54 | -32.70 | -33.97 |
| 服务业 | +5.34 | +10.21 | +5.42 |
| 建筑业 | -38.38 | +18.80 | +16.34 |
), ArticleFig(id=1175040228889870890, tenantId=1146029695717560320, journalId=1146123222451335185, articleId=1174385908519420139, language=CN, label=表6, caption=
各行业数字经济水平的相对重要性
, figureFileSmall=null, figureFileBig=null, tableContent=
| 行业 | 比例/% |
| HL | ML | LL |
| 农林牧渔业 | +2.73 | -38.29 | +44.27 |
| 工业 | +53.54 | -32.70 | -33.97 |
| 服务业 | +5.34 | +10.21 | +5.42 |
| 建筑业 | -38.38 | +18.80 | +16.34 |
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