Digital infrastructure empowerment and urban carbon emissions: Evidence from China

IF 5.9 2区 管理学 Q1 COMMUNICATION Telecommunications Policy Pub Date : 2024-04-04 DOI:10.1016/j.telpol.2024.102764
Kaicheng Liao , Juan Liu
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Abstract

China is accelerating its entry into the digital age, and the contribution of digital infrastructure to the reduction of carbon emissions is becoming increasingly prominent. The influence mechanism of digital infrastructure on urban carbon emissions is empirically tested in this study from the standpoint of digital empowerment using panel data from 250 cities between 2008 and 2020. According to the study, digital infrastructure greatly lowers urban carbon emissions, with each additional mobile base station reducing carbon emissions by 36 tons. This conclusion remains robust even after controlling for endogeneity issues. The mechanism examination indicates that the decarbonization effect of digital infrastructure is mainly achieved by empowering enterprises, individuals, and governments with digital capabilities. Heterogeneity analysis reveals that the effects of digital infrastructure on carbon emissions vary after considering variations in the city's administrative hierarchy, industrial structure, and resource types in China. According to the study's findings, developing countries should expand digital infrastructure construction and fully harness its potential for energy saving and emissions reduction to meet their emission reduction targets. At the same time, differentiated emission reduction policies should be formulated to adapt to the heterogeneous characteristics among cities and ensure that emission reduction measures are effectively implemented in each city.

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数字基础设施赋权与城市碳排放:来自中国的证据
中国正在加速进入数字时代,数字基础设施对碳减排的贡献日益凸显。本研究从数字赋权的角度出发,利用 2008-2020 年间 250 个城市的面板数据,实证检验了数字基础设施对城市碳排放的影响机制。研究显示,数字基础设施大大降低了城市碳排放,每增加一个移动基站,碳排放就会减少 36 吨。即使在控制了内生性问题后,这一结论依然稳健。机制研究表明,数字基础设施的去碳化效应主要是通过赋予企业、个人和政府数字能力来实现的。异质性分析表明,考虑到中国城市行政级别、产业结构和资源类型的不同,数字基础设施对碳排放的影响也不尽相同。根据研究结果,发展中国家应扩大数字基础设施建设,充分利用其节能减排潜力,实现减排目标。同时,应制定差异化的减排政策,以适应各城市的不同特点,确保减排措施在各城市得到有效实施。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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来源期刊
Telecommunications Policy
Telecommunications Policy 工程技术-电信学
CiteScore
10.80
自引率
12.50%
发文量
122
审稿时长
38 days
期刊介绍: Telecommunications Policy is concerned with the impact of digitalization in the economy and society. The journal is multidisciplinary, encompassing conceptual, theoretical and empirical studies, quantitative as well as qualitative. The scope includes policy, regulation, and governance; big data, artificial intelligence and data science; new and traditional sectors encompassing new media and the platform economy; management, entrepreneurship, innovation and use. Contributions may explore these topics at national, regional and international levels, including issues confronting both developed and developing countries. The papers accepted by the journal meet high standards of analytical rigor and policy relevance.
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