THE INVERTED N-SHAPED RELATIONSHIP BETWEEN ECONOMIC GROWTH AND CO2 EMISSIONS: EVIDENCE FROM OECD COUNTRIES

Abdulkadir Bulut and Nazmiye Tekdemir

Economic Annals, 2025, vol. 70, issue 244, 7 - 33

Abstract: Modern economic growth has led to increased levels of international trade, large-scale industrialisation, and major technological advancements, resulting in substantial negative externalities on a global scale. Among these, environmental degradation has emerged as a significant global public bad. Balancing economic growth objectives while addressing environmental challenges remains a critical issue for modern society. This study examines the relationship between economic growth and environmental degradation across 33 OECD countries during the period 1996- 2015, employing a fixed effects model with the Driscoll-Kraay standard error estimation approach. The analysis reveals an inverted N-shaped relationship between economic growth and CO₂ emissions, contradicting the conventional environmental Kuznets curve theory. The results also show that renewable energy consumption and stronger institutional quality help reduce CO₂ emissions, while non-renewable energy consumption and higher levels of industrial activity have the opposite effect.

Keywords: environmental quality; global public bad; EKC hypothesis; renewable energy; institutional quality (search for similar items in EconPapers)
JEL-codes: D62 H41 Q20 Q56 (search for similar items in EconPapers)
Date: 2025
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