Publication: ¿Ocurrió efecto contagio en los mercados de acciones de América Latina durante la crisis financiera global?
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De Jesús Gutiérrez, Raúl
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Universidad Pablo de Olavide
Abstract
Este trabajo prueba la existencia de contagio financiero entre los mercados de acciones de la región de América Latina y el mercado de acciones de Estados Unidos basado en el análisis del comportamiento de las correlaciones en periodos de estabilidad y crisis. El estudio emplea un modelo GARCH de correlaciones condicionales dinámicas multivariado para estimar las correlaciones cambiantes en el tiempo, y utiliza la prueba estadística-t bajo un procedimiento bootstrap para analizar los posibles canales de efectos de contagio financiero en los mercados de acciones emergentes. Los resultados muestran que las correlaciones estimadas se incrementaron en el periodo de la turbulencia financiera, como consecuencia de la presencia de cambios estructurales fuertes. Asimismo, el estudio proporciona evidencia de que los mercados de acciones de Brasil, Chile, Colombia, México y Perú son fuertemente contagiados durante la crisis financiera global. Sin embargo, el mercado de acciones de Argentina muestra evidencia de interdependencia con respecto al mercado de acciones de Estados Unidos. Los hallazgos tienen importantes implicaciones para los inversionistas y diseñadores de la política económica que buscan apropiados mecanismos para evitar los efectos negativos del contagio financiero en los mercados de acciones emergentes.
This paper tests the existence of financial contagion between US and Latin America stock markets based on the analysis of pattern of the correlation coefficients during crisis and stable periods. The study applies a dynamic conditional correlation multivariate GARCH model to estimate time-varying correlations and adopts the t-statistics test under a bootstrap procedure to examine the potential channels of financial contagion effects on emerging stock markets. The empirical results confirm that the estimated correlations has increased significantly in the period of financial turmoil as result of the presence of strong structural changes. Moreover, the study provides evidence that Brazil, Chile, Colombia Mexico and Peru stock markets are significantly affected by the contagion effects from the global financial crisis. However, Argentina stock market exhibits strong evidence of interdependence with the USA stock market. The findings have important implications for investors and policy makers, whichseek preventive mechanisms to avoid negative effects of the financial contagion in emerging stock markets
This paper tests the existence of financial contagion between US and Latin America stock markets based on the analysis of pattern of the correlation coefficients during crisis and stable periods. The study applies a dynamic conditional correlation multivariate GARCH model to estimate time-varying correlations and adopts the t-statistics test under a bootstrap procedure to examine the potential channels of financial contagion effects on emerging stock markets. The empirical results confirm that the estimated correlations has increased significantly in the period of financial turmoil as result of the presence of strong structural changes. Moreover, the study provides evidence that Brazil, Chile, Colombia Mexico and Peru stock markets are significantly affected by the contagion effects from the global financial crisis. However, Argentina stock market exhibits strong evidence of interdependence with the USA stock market. The findings have important implications for investors and policy makers, whichseek preventive mechanisms to avoid negative effects of the financial contagion in emerging stock markets
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Revista de métodos cuantitativos para la economía y la empresa, ISSN-e 1886-516X, Vol. 29, 2020, págs. 237-258




