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Downside risk, portfolio diversification and the financial crisis in the euro-zone
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Orientador(es)
Resumo(s)
This paper evaluates the value at risk for individual sovereign bond and national equity markets for 10 member countries in the euro-zone, using four estimation models and three accuracy criteria in addition to the daily capital requirements, for the full sample period and a subperiod that marks the beginning of the recent global financial crisis. The results show that the conditional extreme value theory model under both the normal and Student-t distributions satisfies the four accuracy criteria the best and gives the least capital charges for both periods, while the RiskMetrics gives the worst results. These euro-zone bond and equity markets are also classified into two groups: the PIIGS (Portugal, Italy, Ireland, Greece and Spain) and the Core (Germany, France, Austria, The Netherlands and Finland), and optimal portfolios are constructed for these two groups as well as for the ten euro area as a whole. Given the sample periods, the results show no strong diversification for any of the two groups or for the whole area in any of the bond and equity asset classes or both. The bond and equity portfolios are augmented with commodities and the best grand portfolio is the one that is diversified with the commodities gold, silver and oil, particularly for the subperiod.
Descrição
Palavras-chave
Bond benchmarks Commodities Stock indices Value at risk (VaR) euro-zone
Contexto Educativo
Citação
Sarafrazi, S., Hammoudeh, S., & Santos, P. A. (2014). Downside risk, portfolio diversification and the financial crisis in the euro-zone. Journal of International Financial Markets, Institutions & Money, 32, 368–396. doi: 10.1016/j.intfin.2014.06.008