ArticleEnvironmental research2023
Does income inequality reshape the environmental Kuznets curve (EKC) hypothesis? A nonlinear panel data analysis.
Article in Environmental research, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 18 papers.
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18 citing papers in PubMed.
- The key challenges and best alternatives to environmental sustainability: a comprehensive study.Scientific reports · 2025Article
- Analyzing the influence of financial technology and environmental taxation on energy transformation in BRI nations.Heliyon · 2024Article
- AI-enabled sports-system peer-to-peer energy exchange network for remote areas in the digital economy.Heliyon · 2024Article
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- Assessment of the environmental kuznets curve within EU-27: Steps toward environmental sustainability (1990-2019).Environmental science and ecotechnology · 2024Article
- How do energy consumption, globalization, and income inequality affect environmental quality across growth regimes?Environmental science and pollution research international · 2024Article
- Exploring the spatiotemporal patterns of county-scale PM2.5 drivers in Shandong Province from 2000 to 2020.PloS one · 2024Article
- Does green innovation reduce environmental degradation? A panel threshold analysis for BRICS countries.Heliyon · 2023Article
- The nexus between labour force participation and environmental sustainability: Global comparative evidence.Heliyon · 2023Article
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- Assessing regional economic growth through green financial policy: Insights from PSM-DID model on 107 cities of China.Heliyon · 2023Article
- The impact of COVID-19 on economy, air pollution and income: evidence from China.Stochastic environmental research and risk assessment : research journal · 2023Article
- Impacts of the COVID-19 epidemic on carbon emissions from international shipping.Marine pollution bulletin · 2023Article
- How Do R&D and Renewable Energy Consumption Lead to Carbon Neutrality? Evidence from G-7 Economies.International journal of environmental research and public health · 2023Article
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3 authors.
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Abstract
The COVID-19 pandemic has further increased income inequality. This work is aimed to explore the impact of income inequality on the environmental Kuznets curve (EKC) hypothesis. To this end, income inequality is set as the threshold variable, economic growth is set as the explanatory variable, while carbon emission is set as the explained variable, and the threshold panel model is developed using the data of 56 countries. The empirical results show that income inequality has changed the relationship between economic growth and carbon emissions from an inverted U-shaped to an N-shaped, which means that income inequality redefines the environmental Kuznets curve and increases the complexity of the decoupling of economic growth and carbon emissions. Specifically, economic growth significantly increases carbon emissions during periods of low income inequality, however, as income inequality increases, economic growth in turn suppresses carbon emissions. In the period of high income inequality, economic growth inhibits the increase of carbon emissions. However, with the increase of income inequality, the impact of economic growth on carbon emission changes from inhibiting to promoting. Panel regressions for robustness tests show that this phenomenon is more pronounced in high-income countries. We therefore contend that the excessive income inequality is bad for the win-win goal of economic growth without carbon emission growth, and the income distribution policy should be included in the carbon neutral strategy.
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