Extreme risk spillovers from commodity indexes to sovereign CDS spreads of commodity dependent countries: A VAR quantile analysis

Massaporn Cheuathonghua, Maria E. de Boyrie, Ivelina Pavlova and Jutamas Wongkantarakorn

International Review of Financial Analysis, 2022, vol. 80, issue C

Abstract: Given the financialization of commodities and the increase in the CDS markets' size and structure, we examine the co-movement and dependence structure between four commodity indexes and sovereign credit risk via an extreme volatility risk spillover methodology. We use the daily change in sovereign CDS data between October 1, 2010 to March 31, 2020 for ten commodity-dependent countries and four commodity indexes (agricultural, precious and industrial metals, and energy). The results of White et al.'s (2015) VAR for Value at Risk (VaR) and the pseudo quantile impulse response function (QIRF) show that the volatility of the primary commodity export category (e.g., agriculture, mineral, and energy) substantially influences the volatility of sovereign spreads (except for two agriculture-dependent exporters). Still, it does not always have the strongest risk spillover effect when other commodity indixes are included in the analysis. When drilling down on the data and examining the single commodity index (i.e., gold, corn, etc.), our results indicate that the primary commodity exports significantly influence the volatility of its sovereign CDS spreads. Based on the results of the QIRF, most shocks are absorbed within 30 days. Most risk spillover from the volatility of sovereign CDS spreads to the volatility of commodity indexes is found to be insignificant.

Keywords: Commodities; Sovereign CDS; Extreme spillover; Tail distribution; VAR for VaR (search for similar items in EconPapers)
JEL-codes: F30 G15 (search for similar items in EconPapers)
Date: 2022
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Citations: View citations in EconPapers (10)

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Persistent link: https://EconPapers.repec.org/RePEc:eee:finana:v:80:y:2022:i:c:s1057521922000138

DOI: 10.1016/j.irfa.2022.102033

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