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The effect of financial development on environmental quality: a developing country evidence

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Abstract

Financial development is vital to enhance the inclusive growth of a country in the modern world, and environmental quality, affected by financial development, is also a highly debated topic. Thus, this study attempts to investigate the role of financial development in determining environmental quality in Sri Lanka considering other variables namely economic growth, energy consumption, trade openness, and foreign direct investments. The key econometric tool used for the purpose is the Autoregressive Distributed Lag (ARDL) approach with the data from 1992 to 2021. As per the findings, financial development, economic growth, energy consumption, and foreign direct investments adversely impact environmental quality both in the long-run and short-run. Additionally, trade openness established a negative impact in the short-run only. Importantly, the Environmental Kuznets’ Curve (EKC) hypothesis and Pollution Haven Hypothesis are established. Finally, all variables except trade openness confirmed a unidirectional causal relationship with environmental quality. This study recommends that all the modelled variables are vital to enrich the environmental quality in Sri Lanka.

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Data availability

The data of all variables are collected from the World Bank database, Colombo Stock Exchange (CSE) database, and Central Bank’s annual reports. These data are freely and publicly available. The complete structured data set used for the study may be supplied by the corresponding author on reasonable request.

Notes

  1. Sri Lanka – Energy Sector Assessment, Strategy, and Road Map, ADB Bank, 2019

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Authors and Affiliations

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Contributions

WAWGCN: contributed in formal analysis, writing the original draft, data curation, writing—review and editing, wrote the study plan, data collection, main sections of the paper, econometric estimation, and data and result analysis, undertaking the responsibility of corresponding author of this paper.

MMR: contributed in methodological development, variable selection, result, formal analysis, polishing and editing, improving the quality of the manuscript, and overall careful, writing—review and editing, supervision.

DDAI: contributed in conceptual development, and variable selection, result, writing the abstract and literature review, polishing and editing, improving the quality of the manuscript, and overall careful, supervision.

All authors read and approved the final manuscript.

Corresponding author

Correspondence to Ambepitiya Wijethunga Gamage Champa Nilanthi Wijethunga.

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Competing interests

The authors declare competing interests.

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Responsible Editor: Eyup Dogan

The manuscript is original, has not already been published, and is not currently under consideration by another journal.

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Appendix 1

Appendix 1

Trend lines of dependent variable and financial development proxies in Sri Lanka

figure a

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Wijethunga, A.W.G.C.N., Rahman, M.M. & Dayaratne, D.A.I. The effect of financial development on environmental quality: a developing country evidence. Environ Sci Pollut Res 30, 121239–121252 (2023). https://doi.org/10.1007/s11356-023-30844-7

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  • DOI: https://doi.org/10.1007/s11356-023-30844-7

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