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数字经济渗透对全球价值链分工地位的影响——基于行业异质性的跨国经验研究 被引量:163
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作者 齐俊妍 任奕达 《国际贸易问题》 CSSCI 北大核心 2021年第9期105-121,共17页
本文基于国家层面对数字经济不同维度的测度和"行业数字强度"的区分,构建了行业层面的数字经济渗透指标,以更好地识别数字经济渗透到不同行业的差异,重点考察数字经济渗透对全球价值链分工地位的影响机制与作用效果。研究表明... 本文基于国家层面对数字经济不同维度的测度和"行业数字强度"的区分,构建了行业层面的数字经济渗透指标,以更好地识别数字经济渗透到不同行业的差异,重点考察数字经济渗透对全球价值链分工地位的影响机制与作用效果。研究表明,数字经济发展不同维度显著提高了全球价值链分工地位,并以数字基础设施的影响最为显著。就机制而言,数字经济渗透通过贸易成本降低与人力资本结构升级驱动全球价值链分工地位向高端攀升。细分制造业与服务业的行业异质性显示,数字经济渗透对中低技术制造业与信息通讯服务业全球价值链分工地位提升的影响最为显著。此外,本文进一步分析了关税和服务贸易壁垒对行业数字经济渗透影响全球价值链分工地位的调节作用。最后从识别数字经济渗透行业差异等方面提出了较有针对性的政策建议。 展开更多
关键词 数字经济渗透 全球价值链分工 行业数字强度 贸易壁垒
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Digital Economy Development,Institutional Quality and Upstreamness of Global Value Chains
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作者 QI Junyan ren yida 《Frontiers of Economics in China-Selected Publications from Chinese Universities》 2022年第1期24-57,共34页
By building a composite index for measuring national digital economy development and sectoral digital intensities,this paper derives metrics of industry-level digital economy penetration under the framework of special... By building a composite index for measuring national digital economy development and sectoral digital intensities,this paper derives metrics of industry-level digital economy penetration under the framework of specialization within global value chains(GVCs),systematically analyzes the mechanisms through which digital economy development affects GVCs upstreamness,and examines the moderating effect of institutional quality.The study shows that different dimensions of digital economy development significantly boost GVCs upstreamness,a conclusion that holds even after accounting for endogeneity through dynamic panel models with instrumental variables based on past data.Further research shows that technological innovation capabilities and resource allocation efficiency have gradually become important channels for digital economy development to boost GVCs upstreamness.Adding indicators on institutional quality reveals that greater institutional quality not only directly promotes GVCs upstreamness but also reinforces the impact of digital economy development on higher GVCs positioning. 展开更多
关键词 digital economy global value chains(GVCs) industry upstreamness institutional quality
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