Dynamic spillovers across oil,gold and stock markets in the presence of major public health emergencies |
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| Affiliation: | 1. School of Business, Central South University, Changsha 410083, China;2. Institute of Metal Resources Strategy, Central South University, Changsha 410083, China;1. School of Statistics and Management, Shanghai University of Finance and Economics, Shanghai, China;2. School of Economics and Management, Nanjing University of Science and Technology, Nanjing, China;1. School of Business, Central South University, Changsha 410083, China;2. Institute of Metal Resources Strategy, Central South University, Changsha 410083, China |
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| Abstract: | Extreme events have a systemic impact on global financial markets, leading to significant cross-market spillovers in the oil, gold, and stock markets and raising widespread concerns about market linkages and risk contagion. In this paper, with a focus on both return and volatility, a frontier spillover network analysis is used to examine the strength and scale characteristics of spillovers in the oil, gold and stock markets under major public health emergency shocks. In addition, the paper adopts a marginal spillover and network analysis to evaluate linkage relationships, risk sources and transmission paths in the oil, gold, and stock markets during such events. The results show that the return and volatility spillover effects generated across the oil, gold, and stock markets are significant, with return spillovers being more stable and volatility spillovers being highly sensitive to emergencies. Meanwhile, the COVID-19 pandemic has displayed the strongest return and volatility spillovers. The high intensity of the shocks during the COVID-19 period has changed the usual characteristics of the market, with the gold market becoming the risk receiver and the oil market becoming risk sources. |
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