Multiscale Tail Risk Connectedness of Global Stock Markets: A LASSO-Based Network Topology Approach

Yuting Du, Xu Zhang, Zhijing Ding, Xian Yang and Giacomo Fiumara

Complexity, 2022, vol. 2022, 1-17

Abstract: Due to the advent of deglobalization and regional integration, this article aims to adopt LASSO-based network connectedness to estimate the multiscale tail risk spillover effects of global stock markets. The results show that tail risk varies across frequencies and shocks. In static analysis, the risk is centered mostly on the developed European and North American markets at a low frequency (long term), and regionalization is imposed on the moderate frequency (midterm). Moreover, emerging markets could be sources of risk spillover, especially at the highest frequency (short term) where there is no absolute risk center. In dynamic analysis, we use rolling window estimation and find that different frequencies identify distinct episodes of shocks, which provides us with the reason for the diverse risk centers at different time scales in static analysis. Our findings provide heterogeneous financial practitioners, regulators, and investors with diverse characteristics of stock markets under multiple time horizons and help them operate their own trading strategies.

Date: 2022
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Persistent link: https://EconPapers.repec.org/RePEc:hin:complx:7635144

DOI: 10.1155/2022/7635144

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