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Original Articles

Análisis de los efectos de las correlaciones bursátiles en la composición de carteras óptimas

Analyzing the effects of stock markets correlations on the composition of the optimal portfolios

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Pages 689-708 | Received 07 Feb 2003, Accepted 04 Mar 2005, Published online: 15 Jan 2014
 

RESUMEN

El objetivo de este trabajo es analizar la evolución de las relaciones existentes entre ocho de los principales índices bursátiles, y sus efectos sobre la composición de las carteras óptimas de los inversores, en el período que transcurre entre los años 1995 y 2002. La división del trabajo en dos períodos (antes y durante la crisis de los mercados referentes de la Nueva Economía) y la utilización de diferentes contrastes econométricos que parten del análisis de las correlaciones entre los índices, permiten determinar los efectos de la globalización en los mercados bursátiles y en los inversores. Los resultados obtenidos evidencian un claro aumento de la correlación entre los mercados bursátiles europeos, del mismo modo que muestran cómo los índices Dow y Dax se convierten en las principales referencias a nivel mundial, sobre todo en el período de crisis, dadas sus condiciones de potencias económicas.

ABSTRACT

The objective of this work is to analyze the evolution of the existing relations between eight of the main stock-exchange indices, and its effects on composition of the optimal portfolios of the investors, in the period that passes between years 1995 and 2002. The division of the work in two periods (before and during the crisis of the referring markets of the New Economy) and the use of different econometric techniques that begin from the analysis of the correlations between the indices, allow to determine the effects of the globalization in the stock markets and the investors. The obtained results demonstrate a clear increase of the correlation between the European stock markets, in the same way that show as the indices Dow and Dax become the main references to world-wide level, mainly in the period of crises, given their conditions of economic powers.

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