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The Effects of Export Diversification and Concentration on Carbon Emissions: Asymmetric Evidence for Türkiye

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  • Burcu Berke
  • Gülsüm Akarsu
  • Dilek Temiz

Abstract

Numerous studies have explored the possible causes of global carbon emissions and climate change; however, the impact of export diversification and concentration on these emissions is a less examined topic in literature. This study investigates the effects of export diversification and concentration on carbon emissions in Türkiye from 1995 to 2018, utilizing the nonlinear ARDL method. The findings indicate that export diversification reduces carbon emissions after accounting for the effects of other control variables, such as renewable energy, levels of inequality, and government size. In this model, an increase in renewable energy, inequality, and government size leads to higher carbon emissions and worsens environmental quality, although the environmental Kuznets curve hypothesis is supported. Additionally, this study reveals that positive shocks in export concentration reduce carbon emissions, while negative shocks increase emissions. This hypothesis remains valid for the specified period in Türkiye, but the control variables display behavior similar to export diversification. The results suggest that mitigating climate change and improving environmental quality in Türkiye relies on policies that support export diversification and concentration.

Suggested Citation

  • Burcu Berke & Gülsüm Akarsu & Dilek Temiz, 2025. "The Effects of Export Diversification and Concentration on Carbon Emissions: Asymmetric Evidence for Türkiye," Prague Economic Papers, Prague University of Economics and Business, vol. 2025(2), pages 214-249.
    • Handle: RePEc:prg:jnlpep:v:2025:y:2025:i:2:id:891:p:214-249
    DOI: 10.18267/j.pep.891
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    References listed on IDEAS

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    1. Zhang, Chuanguo & Zhao, Wei, 2014. "Panel estimation for income inequality and CO2 emissions: A regional analysis in China," Applied Energy, Elsevier, vol. 136(C), pages 382-392.
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    JEL classification:

    • C5 - Mathematical and Quantitative Methods - - Econometric Modeling
    • Q56 - Agricultural and Natural Resource Economics; Environmental and Ecological Economics - - Environmental Economics - - - Environment and Development; Environment and Trade; Sustainability; Environmental Accounts and Accounting; Environmental Equity; Population Growth

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