ÇEVRESEL PHILLIPS EĞRİSİ YAKLAŞIMIYLA MINT ÜLKELERİNDE BÜYÜME–ÇEVRE İKİLEMİNİN ANALİZİ

Yıl 2025, Cilt: 13 Sayı: 2, 137 - 155, 25.12.2025

Oğuzhan Demir

Öz

Bu çalışma, MINT ülkelerinde çevre–ekonomi ilişkisini temel makroekonomik göstergeler çerçevesinde ele alarak, 1991–2021 dönemi için Çevresel Phillips Eğrisi (EPC) hipotezinin uzun dönemli geçerliliğini panel veri yöntemleri aracılığıyla ampirik olarak test etmektedir. Panel AMG yöntemiyle elde edilen bulgular, işsizlik oranındaki artışın çevresel kaliteyi artırdığını ortaya koymakta ve bu yönüyle EPC hipotezinin MINT ülkeleri genelinde -panel düzeyinde- geçerli olduğunu göstermektedir. Ülke bazlı analiz sonuçları ise, söz konusu ilişkinin yalnızca Endonezya ve Türkiye için istatistiksel olarak anlamlı ve hipotezle uyumlu olduğunu, buna karşılık Meksika ve Nijerya için EPC ilişkisinin geçerli olmadığını ortaya koymaktadır. Bu durum, EPC hipotezinin ülkeler arasında heterojenlik arz eden yapısal koşullara bağlı olarak farklı biçimlerde tezahür edebileceğine işaret etmektedir. Ayrıca, çalışmada analize dâhil edilen diğer açıklayıcı değişkenler olan ekonomik büyüme, enerji tüketimi ve doğal kaynak rantının da çevresel kalite üzerinde uzun dönemde anlamlı ve olumsuz etkiler yarattığı tespit edilmiştir. Bu bulgular, MINT ülkelerinde çevresel baskıların yalnızca iş gücü piyasasındaki dalgalanmalardan değil, aynı zamanda enerji yoğun büyüme modelleri ve kaynak kullanımına dayalı kalkınma stratejilerinden beslendiğini ortaya koymaktadır. Öte yandan, Driscoll-Kraay tahmincisiyle gerçekleştirilen sağlamlık analizleri, temel modelde elde edilen katsayıların yön ve anlamlılık bakımından korunduğunu göstererek, sonuçların istatistiksel tutarlılığını ve ampirik güvenilirliğini desteklemektedir. Bu çerçevede ulaşılan bulgular, çevresel kazanımların kısa vadeli ekonomik durgunluklarla sınırlı kalmaması, aksine yapısal dönüşümlerle desteklenerek uzun vadede sürdürülebilir nitelik kazanması gerektiğine işaret etmektedir.

Anahtar Kelimeler

Çevresel Phillips Eğrisi , MINT Ülkeleri , Enerji Tüketimi , Panel AMG

ANALYZING THE GROWTH–ENVIRONMENT DILEMMA IN MINT COUNTRIES THROUGH THE ENVIRONMENTAL PHILLIPS CURVE APPROACH

Öz

This study empirically tests the long-run validity of the Environmental Phillips Curve (EPC) hypothesis for MINT countries over the period 1991–2021, by examining the environment–economy relationship within the framework of key macroeconomic indicators using panel data methods. The findings obtained through the Panel AMG estimator reveal that an increase in the unemployment rate leads to an improvement in environmental quality, thereby confirming the validity of the EPC hypothesis at the panel level for MINT countries. However, country-specific results indicate that this relationship is statistically significant and consistent with the hypothesis only for Indonesia and Türkiye, while the EPC is not supported in the cases of Mexico and Nigeria. This divergence suggests that the validity of the EPC hypothesis may differ across countries due to heterogeneous structural conditions. Furthermore, the other explanatory variables included in the analysis -namely economic growth, energy consumption, and natural resource rents- are also found to have significant and adverse long-run effects on environmental quality. These findings indicate that environmental pressures in MINT countries stem not only from fluctuations in labor markets but also from growth models that are heavily reliant on energy use and resource-intensive development strategies. On the other hand, robustness checks conducted using the Driscoll-Kraay estimator confirm the consistency of the coefficients in terms of both sign and statistical significance, thereby reinforcing the reliability and robustness of the empirical results. In this context, the findings highlight the necessity of structural transformations to ensure that environmental improvements are not limited to short-term economic contractions but rather attain a sustainable nature in the long run.

Anahtar Kelimeler

Environmental Phillips Curve , MINT Countries , Energy Consumption , Panel AMG

Kaynakça

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