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Challenges to international diversification: analysis through the global synchronized loss index

Authors

Keywords
international political economy; correlation; market volatility

Summary
This article examines the problem of the decreasing efficiency of international investing during financial crises. Traditionally, it is believed that if you invest in different countries, you reduce risk. However, new research shows that when there is great market stress, all markets start to fall simultaneously. This scientific article examines the “Global Synchronized Loss Index” (GSLI), which helps the average investor calculate how much of his “protection” has actually disappeared.

JEL: F3, F17, F37
Pages: 8
DOI:  https://doi.org/10.58861/tae.grdier.2026.01

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