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An empirical insight into the validity of the Environmental Kuznets Curve hypothesis in the SADC region.
Chiranga, Ngonidzashe Zhanje, Stephen Chingoiro, Samuel
Chiranga, Ngonidzashe
Zhanje, Stephen
Chingoiro, Samuel
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Abstract
Climate change has resulted in global warming (CO2 ) extremes, leading to academic debates on how climate change is impacting economic growth. Additionally, how do regulatory environments address climate change issues from a developing country perspective? The novelty of the study stems from a contribution to the stock of empirical evidence on the SADC region (1990–2023), employing panel data and a robust econometric strategy that accounts for crosssectional dependence, slope heterogeneity, and non-stationarity. The analysis utilizes the CS-ARDL and CCEMG estimators on the impact of climate change on economic growth in the short-term and long-term. The findings provide partial support for the Environmental Kuznets Curve (EKC) hypothesis. Although GDP and its squared term were not statistically significant across models, the expected inverted U-shaped relationship emerged in some specifications, indicating that environmental degradation initially increases with economic growth but may decline at higher income levels.
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2026-01-12
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Frontiers Media
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Chiranga.pdf
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Climate change, Economic growth, Environmental Kuznets Curve (EKC) hypothesis, Panel Autoregressive Distributive Lag (PARDL), SADC
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Attribution-NonCommercial-ShareAlike 4.0 International