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Los comunicados de la Organización Mundial de la Salud relativos a las pandemias y su impacto en farmacéuticas que integran el índice Standard & Poor's 500

Author

Listed:
  • Maria Luisa Saavedra-García
  • Filberto Enrique Valdes-Medina
  • Antonio Alejandro Gutiérrez-Navarro

Abstract

El presente trabajo tuvo como objetivo determinar el impacto financiero en los rendimientos accionarios de 60 empresas farmacéu- ticas que cotizaron en el índice Standard & Poor's 500 en el periodo 2003-2020 ante los comunicados de prensa de la Organización Mundial de la Salud, relativos a las pandemias del síndrome respiratorio agudo grave, la influenza H1N1 y la COVID-19 (SARS-CoV-2). Para contrastar la hipótesis de que dichos comunicados influyen en los precios de las cotizaciones de las acciones, se aplicó la me- todología de estudios de eventos y se conformó una investigación cuantitativa con alcance correlacional. Los principales hallazgos permiten afirmar que los reportes de la Organización Mundial de la Salud relativos a las pandemias tienen impactos medibles en el desempeno bursátil de las empresas farmacéuticas que integran el índice S&P 500.

Suggested Citation

  • Maria Luisa Saavedra-García & Filberto Enrique Valdes-Medina & Antonio Alejandro Gutiérrez-Navarro, 2021. "Los comunicados de la Organización Mundial de la Salud relativos a las pandemias y su impacto en farmacéuticas que integran el índice Standard & Poor's 500," Estudios Gerenciales, Universidad Icesi, vol. 37(158), pages 3-16, March.
    • Handle: RePEc:col:000129:019207
    DOI: 10.18046/j.estger.2021.158.4162
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    Keywords

    COVID-19; farmacéuticas; mercado eficiente;
    All these keywords.

    JEL classification:

    • G14 - Financial Economics - - General Financial Markets - - - Information and Market Efficiency; Event Studies; Insider Trading
    • G41 - Financial Economics - - Behavioral Finance - - - Role and Effects of Psychological, Emotional, Social, and Cognitive Factors on Decision Making in Financial Markets

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