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Effects of economic policy uncertainty: A regime switching connectedness approach

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  • Lien, Donald
  • Zhang, Jiewen
  • Yu, Xiaojian

Abstract

This paper investigates the impact of economic policy uncertainty (EPU) in the US and China on international financial markets across different states. Although earlier studies have examined the interactions between EPUs and financial markets, few considered the issue from the state-dependence perspective. To fill this gap, we extend the Diebold and Yilmaz connectedness to the two-state Markov Switching Vector Autoregressive model to conduct the empirical analysis. Empirical results indicate connectedness is larger (smaller) in the high (low) volatility state than in the single-state model. Moreover, the two EPUs play distinct roles at different time scales. On the weekly time scale, EPUs are influenced by the financial markets only in the low volatility state while the China EPU becomes a net information sender in the high volatility state. Our findings imply that more attention should be devoted to the possible negative impact of China EPU.

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  • Lien, Donald & Zhang, Jiewen & Yu, Xiaojian, 2022. "Effects of economic policy uncertainty: A regime switching connectedness approach," Economic Modelling, Elsevier, vol. 113(C).
    • Handle: RePEc:eee:ecmode:v:113:y:2022:i:c:s0264999322001250
    DOI: 10.1016/j.econmod.2022.105879
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    3. Lean, Hooi Hooi & Alkhazali, Osamah M. & Gleason, Kimberley & Yeap, Xiu Wei, 2024. "Connectedness and economic policy uncertainty spillovers to the ASEAN stock markets," International Review of Economics & Finance, Elsevier, vol. 90(C), pages 167-186.
    4. Jiping Sheng & Xiaoge Gao & Yongqi Sun, 2024. "Sustainability of the Food Industry: Ecological Efficiency and Influencing Mechanism of Carbon Emissions Trading Policy in China," Sustainability, MDPI, vol. 16(5), pages 1-25, March.
    5. Liu, Zhenhua & Zhang, Huiying & Ding, Zhihua & Lv, Tao & Wang, Xu & Wang, Deqing, 2022. "When are the effects of economic policy uncertainty on oil–stock correlations larger? Evidence from a regime-switching analysis," Economic Modelling, Elsevier, vol. 114(C).
    6. Xiaowu Huang & Xin Zhao & Ao Jiao & Jianming Zheng, 2024. "Network Effects in Global Carbon Transfer: New Evidence from a Carbon-Connectedness Network Centered on China," Sustainability, MDPI, vol. 16(10), pages 1-32, May.
    7. Yuting Gong & Zhongzhi He & Wenjun Xue, 2023. "EPU spillovers and sovereign CDS spreads: A cross‐country study," Journal of Futures Markets, John Wiley & Sons, Ltd., vol. 43(12), pages 1770-1806, December.

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    More about this item

    Keywords

    Dynamic connectedness; Markov switching vector autoregressive model; High/low volatility state; Economic policy uncertainty;
    All these keywords.

    JEL classification:

    • C58 - Mathematical and Quantitative Methods - - Econometric Modeling - - - Financial Econometrics
    • F36 - International Economics - - International Finance - - - Financial Aspects of Economic Integration
    • G15 - Financial Economics - - General Financial Markets - - - International Financial Markets

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