Research on tail risk contagion in international energy markets—The quantile time-frequency volatility spillover perspective

Xiao-Li Gong, Min Zhao, Zhuo-Cheng Wu, Kai-Wen Jia and Xiong Xiong

Energy Economics, 2023, vol. 121, issue C

Abstract: From the perspective of volatility spillover network, this paper constructs the spillover index based on the quantile vector autoregression (QVAR) model to capture tail risk spillover effects in international energy markets under different shock sizes and frequency domains. Using the traditional and clean energy markets data covering 2010 to 2022, the empirical results show that the spillover index based on the QVAR model can better capture the tail risk spillover effects with different shock sizes, while the conditional mean-based spillover index may underestimate or misjudge the true level of tail risk spillover among markets. In the extreme state, the tail risk spillover effect among energy markets is significantly enhanced compared to the normal state. From the perspective of frequency domain, it is found that the total tail risk spillovers among international energy markets are dominated by long-term risk spillovers. At the same time, the asymmetry of tail risk spillover effect is more remarkable in the extreme state in the long-term. In addition, the traditional energy markets are the main sources of tail risk spillover, and mainly play the role of net risk spillover. In contrast, the fuel cell, geothermal energy and solar energy markets in the clean energy market have greater net spillover-in effect and play the net receiver role in the interconnectedness network.

Keywords: Clean energy; Tail risk spillover; Conditional quantile; Frequency domain (search for similar items in EconPapers)
Date: 2023
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (19)

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Persistent link: https://EconPapers.repec.org/RePEc:eee:eneeco:v:121:y:2023:i:c:s0140988323001767

DOI: 10.1016/j.eneco.2023.106678

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