What question did this study set out to answer?

To examine how financial development, financial inclusion, and digital financialisation jointly influence carbon emissions, ecological footprint, and renewable energy consumption across 30 OECD economies from 2014 to 2024.

August 16, 2026International Journal of Sustainable Development & World Ecology

Financial architecture and environmental sustainability: nonlinear and conditional evidence from OECD economies

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To examine how financial development, financial inclusion, and digital financialisation jointly influence carbon emissions, ecological footprint, and renewable energy consumption across 30 OECD economies from 2014 to 2024.
Analyzed annual panel data for 30 OECD economies spanning 2014 to 2024 using an integrated financial architecture framework.
Employed Cross-Sectionally Augmented Autoregressive Distributed Lag (CS-ARDL) and Dynamic Common Correlated Effects Mean Group (DCCE-MG) estimators to account for cross-sectional dependence and slope heterogeneity.
Conducted robustness checks with a principal-component composite financial index, alternative estimators, threshold validation, and subsample analyses.
Financial development shows nonlinear patterns, initially increasing emissions and ecological pressure before reducing them past turning points, alongside a U-shaped association with renewable energy consumption.
Financial inclusion and digital financialisation consistently associate with improved environmental indicators, with digital financialisation demonstrating the strongest positive effect.
Institutional quality strengthens positive environmental outcomes, while elevated energy intensity acts as a significant constraint.

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Implication

Panel econometric study reveals nonlinear relationships between financial expansion and environmental metrics in 30 OECD economies, indicating digital finance supports sustainability.

Cite This Study

Song et al. (2026) studied this question.

synapsesocial.com/papers/6a817a21f2fb91fc834adc60 https://doi.org/10.1080/13504509.2026.2714446

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Implication

Panel econometric study reveals nonlinear relationships between financial expansion and environmental metrics in 30 OECD economies, indicating digital finance supports sustainability.

Financial architecture and environmental sustainability: nonlinear and conditional evidence from OECD economies

Key Points

Discussion

Implication

Cite This Study

Financial architecture and environmental sustainability: nonlinear and conditional evidence from OECD economies

Key Points

Discussion

Implication

Cite This Study

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