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International economic policy uncertainty and stock prices: Wavelet approach

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  • Ko, Jun-Hyung
  • Lee, Chang-Min

Abstract

This paper examines the link between economic policy uncertainty and stock price in both a time and frequency domain. Wavelet analysis reveals that the relationship is generally negative but changes over time exhibiting low to high frequency cycles. Moreover, the timing of frequency changes overlaps when US policy uncertainty comoves with other countries’ policy uncertainty.

Suggested Citation

  • Ko, Jun-Hyung & Lee, Chang-Min, 2015. "International economic policy uncertainty and stock prices: Wavelet approach," Economics Letters, Elsevier, vol. 134(C), pages 118-122.
    • Handle: RePEc:eee:ecolet:v:134:y:2015:i:c:p:118-122
    DOI: 10.1016/j.econlet.2015.07.012
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    References listed on IDEAS

    as
    1. Pástor, Ľuboš & Veronesi, Pietro, 2013. "Political uncertainty and risk premia," Journal of Financial Economics, Elsevier, vol. 110(3), pages 520-545.
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    3. Colombo, Valentina, 2013. "Economic policy uncertainty in the US: Does it matter for the Euro area?," Economics Letters, Elsevier, vol. 121(1), pages 39-42.
    4. Klößner, Stefan & Sekkel, Rodrigo, 2014. "International spillovers of policy uncertainty," Economics Letters, Elsevier, vol. 124(3), pages 508-512.
    5. Jonathan Brogaard & Andrew Detzel, 2015. "The Asset-Pricing Implications of Government Economic Policy Uncertainty," Management Science, INFORMS, vol. 61(1), pages 3-18, January.
    6. Bijsterbosch, Martin & Guérin, Pierre, 2013. "Characterizing very high uncertainty episodes," Economics Letters, Elsevier, vol. 121(2), pages 239-243.
    7. Antonakakis, Nikolaos & Chatziantoniou, Ioannis & Filis, George, 2013. "Dynamic co-movements of stock market returns, implied volatility and policy uncertainty," Economics Letters, Elsevier, vol. 120(1), pages 87-92.
    8. Luís Aguiar-Conraria & Maria Joana Soares, 2014. "The Continuous Wavelet Transform: Moving Beyond Uni- And Bivariate Analysis," Journal of Economic Surveys, Wiley Blackwell, vol. 28(2), pages 344-375, April.
    Full references (including those not matched with items on IDEAS)

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    More about this item

    Keywords

    Policy uncertainty; Stock price; International spillover; Wavelet analysis;
    All these keywords.

    JEL classification:

    • C32 - Mathematical and Quantitative Methods - - Multiple or Simultaneous Equation Models; Multiple Variables - - - Time-Series Models; Dynamic Quantile Regressions; Dynamic Treatment Effect Models; Diffusion Processes; State Space Models
    • F21 - International Economics - - International Factor Movements and International Business - - - International Investment; Long-Term Capital Movements
    • F32 - International Economics - - International Finance - - - Current Account Adjustment; Short-term Capital Movements

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