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Oil price effect on sectoral stock returns: A conditional covariance and correlation approach for Mexico

Author

Listed:
  • Rodrigo A. Morales Fernández Rafaelly

    (EGADE Business School, México)

  • Roberto J. Santillán-Salgado

    (EGADE Business School, México)

Abstract

Este trabajo analiza la relación entre la volatilidad del precio del petróleo y rendimientos bursátiles sectoriales seleccionados en México (Industrial, materiales, financiero y de consumo discrecional) a través de la implementación de un modelo GARCH bivariado tipo VECH Diagonal para estimar sus covarianzas y correlaciones condicionales. El hallazgo más importante es que existe una relación estadística significativa entre los índices sectoriales y las variaciones en el precio del petróleo. Las correlaciones condicionales sugieren que durante la mayor parte del periodo del análisis la relación entre el precio del petróleo y los rendimientos sectoriales es positiva. La recomendación apoyada por los resultados descritos es que los inversionistas deben tomar en cuenta la interacción mencionada para generar coberturas de riesgo más robustas. Dentro de las limitantes de la investigación, se encuentra la escasez de información a nivel sector en el mercado bursátil del país. La aportación original de este estudio radica en el análisis con enfoque sectorial. Los resultados apoyan a la corriente que sugiere que las fluctuaciones en el precio del petróleo tienen un efecto directo en el mercado bursátil.

Suggested Citation

  • Rodrigo A. Morales Fernández Rafaelly & Roberto J. Santillán-Salgado, 2021. "Oil price effect on sectoral stock returns: A conditional covariance and correlation approach for Mexico," Remef - Revista Mexicana de Economía y Finanzas Nueva Época REMEF (The Mexican Journal of Economics and Finance), Instituto Mexicano de Ejecutivos de Finanzas, IMEF, vol. 16(1), pages 1-15, Enero - M.
    • Handle: RePEc:imx:journl:v:16:y:2021:i:1:a:5
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    References listed on IDEAS

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    More about this item

    Keywords

    GARCH; correlación condicional; volatilidad del petróleo; volatilidad de rendimientos; análisis sectorial.;
    All these keywords.

    JEL classification:

    • C58 - Mathematical and Quantitative Methods - - Econometric Modeling - - - Financial Econometrics
    • G11 - Financial Economics - - General Financial Markets - - - Portfolio Choice; Investment Decisions
    • Q43 - Agricultural and Natural Resource Economics; Environmental and Ecological Economics - - Energy - - - Energy and the Macroeconomy

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