Green innovation and carbon emission performance: The role of digital economy

IF 9.3 2区经济学 Q1 ECONOMICS Energy Policy Pub Date : 2024-09-19 DOI:10.1016/j.enpol.2024.114344

Ziyi Zhao , Yuhuan Zhao , Xunpeng Shi , Lu Zheng , Shunan Fan , Sumin Zuo

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Abstract

Improving carbon emission performance contributes to climate change mitigation, and green innovation may help achieve this goal. Digital economy may promote the diffusion and application of green innovation. Thus, we explore how digital economy affects the impact of green innovation on carbon emission performance based on the panel data covering 240 cities in China from 2005 to 2019. System-generalized method of moments (SYS-GMM), the two stage least square method (2SLS), and the panel quantile regression approach are adopted. The results show that, (1) Green innovation improves carbon emission performance. (2) The digital economy (digital development carrier, digital industrialization, industry digitization, digital development environment) promote the positive impact of green innovation on carbon emission performance. (3) The specifical digital economy elements, such as new digital infrastructure, communication business and services industrialization, service digitalization, institutional and innovation environment also have the positive role. (4) For the mechanism, digital economy is conducive to green innovation for lower energy consumption scale, higher energy efficiency, and cleaner energy structure, thus improving carbon emission performance. (5) Asymmetric analyses imply that green innovation improves carbon emission performance better with developed digital economy.

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绿色创新与碳排放绩效：数字经济的作用

提高碳排放绩效有助于减缓气候变化，而绿色创新可能有助于实现这一目标。数字经济可以促进绿色创新的推广和应用。因此，我们基于 2005 年至 2019 年中国 240 个城市的面板数据，探讨数字经济如何影响绿色创新对碳排放绩效的影响。研究采用了系统广义矩法（SYS-GMM）、两阶段最小二乘法（2SLS）和面板量化回归方法。结果表明：（1）绿色创新提高了碳排放绩效。(2）数字经济（数字发展载体、数字产业化、产业数字化、数字发展环境）促进了绿色创新对碳排放绩效的积极影响。(3）具体的数字经济要素，如新型数字基础设施、通信业务与服务产业化、服务数字化、制度与创新环境等也具有积极作用。(4）在机制上，数字经济有利于绿色创新，实现更低的能耗规模、更高的能源效率和更清洁的能源结构，从而提高碳排放绩效。(5）不对称分析表明，数字经济发达的地区，绿色创新对碳排放绩效的改善效果更好。

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来源期刊

Energy Policy 管理科学-环境科学

CiteScore

17.30

自引率

5.60%

发文量

540

审稿时长

7.9 months

期刊介绍： Energy policy is the manner in which a given entity (often governmental) has decided to address issues of energy development including energy conversion, distribution and use as well as reduction of greenhouse gas emissions in order to contribute to climate change mitigation. The attributes of energy policy may include legislation, international treaties, incentives to investment, guidelines for energy conservation, taxation and other public policy techniques. Energy policy is closely related to climate change policy because totalled worldwide the energy sector emits more greenhouse gas than other sectors.