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Time-localized wavelet multiple regression and correlation

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  • Fernández-Macho, Javier

Abstract

This paper extends wavelet methodology to handle comovement dynamics of multivariate time series via moving weighted regression on wavelet coefficients. The concept of wavelet local multiple correlation is used to produce one single set of multiscale correlations along time, in contrast with the large number of wavelet correlation maps that need to be compared when using standard pairwise wavelet correlations with rolling windows. Also, the spectral properties of weight functions are investigated and it is argued that some common time windows, such as the usual rectangular rolling window, are not satisfactory on these grounds.

Suggested Citation

  • Fernández-Macho, Javier, 2018. "Time-localized wavelet multiple regression and correlation," Physica A: Statistical Mechanics and its Applications, Elsevier, vol. 492(C), pages 1226-1238.
    • Handle: RePEc:eee:phsmap:v:492:y:2018:i:c:p:1226-1238
    DOI: 10.1016/j.physa.2017.11.050
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    Cited by:

    1. Alqaralleh, Huthaifa & Canepa, Alessandra, 2022. "The role of precious metals in portfolio diversification during the Covid19 pandemic: A wavelet-based quantile approach," Resources Policy, Elsevier, vol. 75(C).
    2. Umar, Zaghum & Trabelsi, Nader & Alqahtani, Faisal, 2021. "Connectedness between cryptocurrency and technology sectors: International evidence," International Review of Economics & Finance, Elsevier, vol. 71(C), pages 910-922.
    3. Elie Bouri & Rangan Gupta & Christian Pierdzioch, 2024. "Modeling the Presidential Approval Ratings of the United States using Machine-Learning: Does Climate Policy Uncertainty Matter?," Working Papers 202406, University of Pretoria, Department of Economics.
    4. Bouri, Elie & Nekhili, Ramzi & Kinateder, Harald & Choudhury, Tonmoy, 2023. "Expected inflation and U.S. stock sector indices: A dynamic time-scale tale from inflationary and deflationary crisis periods," Finance Research Letters, Elsevier, vol. 55(PA).
    5. Bouri, Elie & Nekhili, Ramzi & Todorova, Neda, 2023. "Dynamic co-movement in major commodity markets during crisis periods: A wavelet local multiple correlation analysis," Finance Research Letters, Elsevier, vol. 55(PB).

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