Revisiting the currency-commodity nexus: New insights into the R2 decomposed connectedness and the role of global shocks
Jionghao Huang,
Hongqiao Li,
Baifan Chen,
Mengai Liu,
Chaofan An and
Xiaohua Xia
International Review of Economics & Finance, 2025, vol. 98, issue C
Abstract:
In this study, we incorporate the novel R2 decomposed connectedness and event-driven statistical analysis to empirically investigate the dynamic return and volatility connectedness of six leading currencies and various commodity markets, and further provide formal statistical evidence of how global shocks can trigger significant increases in the currency-commodity connectedness. With effective differentiation between contemporaneous correlations and lagged spillovers, the empirical results show that, while the overall connectedness is mainly driven by contemporaneous components during tranquil periods, the lagged volatility spillovers play a more prominent role especially during extreme market turmoil. Moreover, both return and volatility transmission present significant time-varying characteristics and even-dependent patterns, with prominent spikes during periods of extreme events such as the 2007–2009 global financial crisis and 2020 COVID-19 pandemic, which is further supported with formal statistical evidence utilizing the event-driven probabilistic analysis. Lastly, we further spot that the commodity currencies such as the Canadian dollar and Australian dollar prevailingly transmit to the connectedness network, while the agricultural commodity markets mainly serve as risk receivers, with potential net position reversal under various market conditions. Overall, our analysis provides valuable insights into the intricacies of currency-commodity nexus which are highly conducive to a better understanding of the potential risk contagion among these markets and corresponding risk management for policy makers and investors.
Keywords: Return and volatility spillover; Currency-commodity nexus; R2 decomposed connectedness; Event-driven statistical analysis (search for similar items in EconPapers)
Date: 2025
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Persistent link: https://EconPapers.repec.org/RePEc:eee:reveco:v:98:y:2025:i:c:s1059056025000152
DOI: 10.1016/j.iref.2025.103852
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