Journal
SUSTAINABILITY
Volume 13, Issue 20, Pages -Publisher
MDPI
DOI: 10.3390/su132011138
Keywords
EKC curve; carbon emissions; carbon neutrality; BRICS nations; technology innovation
Funding
- Priority Academic Program Development (PAPD) of Jiangsu Higher Education Institutions
- Teaching Reform Project of Higher Education Institute of Nanjing Audit University [2021JG021]
- Youth Project of Social Science Foundation of Jiangsu Province [19EYC003]
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This study empirically explores the impact of technological innovation and economic growth on carbon emissions in five BRICS countries from 1990 to 2019. Findings show that technology patents contribute to carbon emission reduction and carbon neutralization, while economic growth in emerging economies increases carbon emissions.
This study selects the panel data of five BRICS nations (Brazil, Russia, India, China, South Africa) from 1990 to 2019 to empirically explore the impact of technological innovation and economic growth on carbon emissions under the context of carbon neutrality. Granger causality test results signify that there exists a one-way causality from technology patent to carbon emission and from economic growth to carbon emission. We also constructed an improved Stochastic Impacts by Regression on Population, Affluence, and Technology (STIRPAT) model. The regression results manifest that technology patents contribute to the realization of carbon emission reduction and carbon neutralization, while the economic growth of emerging economies represented by BRICS countries significantly improves carbon emissions, but every single BRICS country shows differentiated carbon emissions conditions with their economic development stages. The impact of the interaction term on carbon emissions for the five BRICS countries also presents country-specific heterogeneity. Moreover, the Environmental Kuznets Curve (EKC) test results show that only Russia and South Africa have an inverted U-shaped curve relationship between economic growth and carbon emissions, whereas Brazil, India and China have a U-shaped curve relationship. There exists no EKC relationship when considering BRICS nations as a whole. Further robustness tests also verify that the conclusions obtained in this paper are consistent and stable. Finally, the paper puts forward relevant policy suggestions based on the research findings.
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