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需求侧视角下数字经济拉动经济增长的因素分解

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文章从需求侧角度研究数字经济对国民经济的影响,在此基础上运用国家统计局发布的数字经济核心产业分类标准,构建了2017年、2020年数字经济核心产业可比价非竞争型投入产出表,采用"假设抽取"调整的Leonti-ef模型测算了需求拉动作用下数字经济核心产业的产出效应,进一步地运用结构分解方法对各产业部门的产出增长因素进行分析.结果表明:数字经济核心产业对国民经济有显著的需求拉动效应,且通过后向关联效应对上游产业具有一定的带动作用,其产出量的变化是引起国民经济其他部门产出增长的主要原因.因此,发展数字经济需要在加强数字经济与传统产业融合的同时,特别要重视数字经济核心产业从需求侧"赋能"所引发的产出效应,并充分发挥其在需求侧产出效应的优势.
Decomposition of Economic Growth Factors Driven by the Digital Economy from a Demand-side Perspective
The article studies the impact of the digital economy on the national economy from the per-spective of the demand side,constructs the comparable non-competitive input-output table of the core industries of the digital economy in 2017 and 2020 according to the classification standard of the core in-dustries of the digital economy issued by the National Bureau of Statistics,and measures the demand-pull effect on the output of the core industries of the digital economy by using the"hypothetical extrac-tion"adjusted Leontief model,and analyzes the factors of output growth of each industrial sector by us-ing structural decomposition method.The results show that the core industries of the digital economy have a significant demand-pull effect on the national economy,and through the backward correlation ef-fect they have a certain degree of dring effect on the upstream industries,and the change of their output is the main reason for the output growth of other sectors of the national economy.Therefore,the develop-ment of the digital economy necessitates not only strengthening its integration with traditional industries but also placing special emphasis on the output effect triggered by the"enablement"of the core indus-tries of the digital economy from the demand side,and giving full play to the advantages of its output ef-fect on the demand side.

core industries of the digital economydemand-pullinput-outputstructural decomposi-tion

刘宇、娜尔克斯·努尔旦别克

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北京邮电大学 经济管理学院,北京 100876

数字经济核心产业 需求拉动 投入产出 结构分解

国家统计局第四次经济普查领导小组办公室

IO12-ZD01JJPCZB48

2024

兰州财经大学学报
兰州商学院

兰州财经大学学报

CHSSCD
影响因子:0.466
ISSN:1004-5465
年,卷(期):2024.40(1)
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