Multidimensional connectedness among the volatility of global financial markets around the Russian-Ukrainian conflict

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This study investigates the impact of the Russo–Ukrainian war-induced uncertainty on multidimensional connectedness measures across the volatility of global stock and commodity markets using time-, frequency-, and quantile-based approaches. The results show that the war-induced uncertainty significantly increases the connectedness among the volatilities of global financial markets, notably in the short term, reflecting its impact on the decisions of traders. Unlike the impact of the Russo-Ukrainian war, the impact of COVID-19 is stronger and more apparent in the short, medium, and long terms. Considering various quantiles, the war considerably affects volatility connectedness at the middle quantile, whereas its impact becomes insignificant at the upper quantiles. Further analysis shows that a large increase in the uncertainty induced by the Russo-Ukrainian war can exert a significant and positive impact on the total volatility connectedness index. These findings are useful for the decision-making of traders and investors and can help policymakers formulate resourceful guidelines to deal with the adverse impact of war-induced uncertainty on financial markets.

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Pacific Basin Finance Journal



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