International Diversification During Financial Crises

Managerial Finance, Volume 44, Issue 12, 1434-1445, 2018

Posted: 30 Sep 2019

See all articles by Chu-Sheng Tai

Chu-Sheng Tai

Texas Southern University - Department of Accounting and Finance

Date Written: August 9, 2018

Abstract

Purpose – The purpose of this paper is to provide empirical evidence on how 1999–2001 dot-com crisis and 2007–2009 subprime crisis affect the gains from international diversification from the perspective of US investors.

Design/methodology/approach – A conditional international CAPM with asymmetric multivariate GARCH-M specification is used to estimate international diversification gains. Findings – The authors find that over the entire sample period, the average gains from international diversification is statistically significant and about 1.253 percent per year. During the subprime crisis period, the average gains decreases to about 0.567 percent per year, but it increases to 2.829 percent per year during the dot-com crisis.

Research limitations/implications – These research findings although confirm the conjectures that international financial turmoil tends to increase the co-movements among global financial markets, are in contrast to the conjectures that international diversification does not work during the financial crisis as evidence from the dot-com crisis. Therefore, future research on international diversification should not just focus on the correlation among international financial markets and should adopt a fully parameterized asset pricing model to study this research topic.

Practical implications – Given the empirical results found in this paper that international diversification gains may be decreasing or increasing during the financial crisis, as long as investors are not able to predict international financial crises, it is the average gains from international diversification over the longer periods that should encourage investors to diversify, regardless of potentially lower benefits over the shorter periods of time.

Originality/value – The major value of this paper is that although the increase in the conditional correlation during the financial turmoil is consistent with previous studies, the empirical results clearly show that the impact of a financial crisis on the gains from international diversification cannot be solely determined by the correlation between domestic and world stock market returns since the gains also depend on the unsystematic risk from the domestic stock market. Consequently, it is premature for previous studies to conclude that the gain from international diversification is diminishing due to an increasing correlation among international stock markets during the financial crisis.

Keywords: Diversification, Asymmetric multivariate GARCH-M, International asset pricing

JEL Classification: C32, G01, G12, G15

Suggested Citation

Tai, Chu-Sheng, International Diversification During Financial Crises (August 9, 2018). Managerial Finance, Volume 44, Issue 12, 1434-1445, 2018, Available at SSRN: https://ssrn.com/abstract=3456516

Chu-Sheng Tai (Contact Author)

Texas Southern University - Department of Accounting and Finance ( email )

United States

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