In recent years, rising geopolitical instability, intensifying climate risks, and recurrent systemic shocks have heightened global demand for safe-haven assets. This study develops a novel time-varying Safe-Haven Index (SHI) based on the TVP-VAR model and quantile regression to evaluate the hedging effectiveness of traditional safe-haven assets against systemic risk. The empirical results reveal the dynamic evolution of tail-risk spillovers and the corresponding network structures under different market conditions; extreme shock events, such as the pandemic, lead to structural reversals in the spillover network; moreover, the spillover effects across different quantiles exhibit heterogeneity and asymmetry. Overall, the findings highlight the dynamic and context-dependent nature of safe-haven properties, providing new insights for policymakers to strengthen climate-related macroprudential regulation and for investors to construct diversified, climate-resilient hedging portfolios.
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