Climate Risk Transmissions to Commodity Markets: Evidence From a Mixed-Frequency Spillover Approach

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Abstract
The relationship between climate risks and commodity markets remains insufficiently explored, especially when analyzed through the lens of high-frequency data. This study seeks to address this gap by investigating the spillover effects of global climate risks, both physical and transitional, on key commodity markets and employs a novel analytical framework. By utilizing newly developed climate risk indices alongside the innovative mixed-frequency spillover measure, this research combines high-frequency climate risk data with the responses of low-frequency commodity prices. Our results highlight notable spillover effects, demonstrating that climate risks serve as the primary drivers of spillovers to commodity markets in a mixed-frequency data context, whereas such effects are not observed within a common-frequency data environment. These findings have important implications for policy-makers and investors, indicating that current market analyses may not capture the influence of climate risk adequately.
Funding Information
  • National Natural Science Foundation of China (72571239)
  • Yunnan Province Philosophy and Social Science Innovation Team (2025CX05)
  • Yunnan Fundamental Research Major Project (202501AS070219)

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