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Comparing the impact of Chinese and U.S. economic policy uncertainty on the volatility of major global stock markets

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  • Shi, Yujie
  • Wang, Liming

Abstract

This study compares the impact of Chinese and U.S. economic policy uncertainty (EPU) (proxied by the EPU index) on the volatility of 11 major stock markets. Unlike previous research that only utilizes monthly EPU for such a comparison, this study uses both daily and monthly data to examine the impact within a month as well as over months. In order to provide a detailed analysis, EPU shocks are investigated from a two-sided viewpoint: one considering the effects of EPU indices as exogenous shocks, and the other examining the spillovers from EPU indices as endogenous variables. Meanwhile, the role of global turmoil, such as the 2007–2008 global financial crisis (GFC) and the COVID-19 pandemic, in influencing the impact of Chinese (or U.S.) EPU is highlighted. The results show that the impact of U.S. EPU is reinforced at both daily and monthly frequencies during the GFC, with a greater effect on the European stock markets. After the GFC, the rising influence of Chinese EPU is observed at a monthly frequency in several markets in Asia and elsewhere. Overall, the dynamic spillovers from the EPU indices to stock volatility suggest the dominant role of U.S. EPU in most markets at a daily frequency, while the extent of the spillovers is driven by turbulent events, including the GFC and the COVID-19 pandemic.

Suggested Citation

  • Shi, Yujie & Wang, Liming, 2023. "Comparing the impact of Chinese and U.S. economic policy uncertainty on the volatility of major global stock markets," Global Finance Journal, Elsevier, vol. 57(C).
    • Handle: RePEc:eee:glofin:v:57:y:2023:i:c:s1044028323000558
    DOI: 10.1016/j.gfj.2023.100860
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    More about this item

    Keywords

    Economic policy uncertainty; Spillovers; Global financial crisis; Stock market volatility; COVID-19 pandemic;
    All these keywords.

    JEL classification:

    • F30 - International Economics - - International Finance - - - General
    • F65 - International Economics - - Economic Impacts of Globalization - - - Finance
    • G15 - Financial Economics - - General Financial Markets - - - International Financial Markets

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