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<p>This study analyses the relationship between economic complexity and CO2 emissions using annual data from OECD countries from 1999 to 2021. We include measures of economic complexity associated with non-trading activities, such as patents and research publications, to complement traditional trade-based economic complexity. The PMG-ARDL approach shows that GDP and energy consumption worsen environmental quality, while financial development has a negative effect on CO2 emissions. Furthermore, the different dimensions of economic complexity have a positive and significant impact on long-term CO2 emissions. Our results suggest that measures of complexity related to the geography of innovative activities deserve special attention in order to better understand the role of economic structure on the environment. The policy implications of these findings are also discussed.</p>

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The Impact of Economic Complexity in Trade, Technology, and Research on CO2 Emissions: Evidence from OECD Countries

  • 期刊论文

  • 发表日期：

    2025年1月31日

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  • Daghbagi Hamrouni,
  • Radhouane Hasni,
  • Mehdi Ben Jebli

摘要

This study analyses the relationship between economic complexity and CO2 emissions using annual data from OECD countries from 1999 to 2021. We include measures of economic complexity associated with non-trading activities, such as patents and research publications, to complement traditional trade-based economic complexity. The PMG-ARDL approach shows that GDP and energy consumption worsen environmental quality, while financial development has a negative effect on CO2 emissions. Furthermore, the different dimensions of economic complexity have a positive and significant impact on long-term CO2 emissions. Our results suggest that measures of complexity related to the geography of innovative activities deserve special attention in order to better understand the role of economic structure on the environment. The policy implications of these findings are also discussed.