Interconnectedness and systemic risk: Evidence from global stock markets

Emrah Çevik, Hande Caliskan Terzioglu, Yunus Kilic, Mehmet Fatih Bugan and Sel Dibooglu

Research in International Business and Finance, 2024, vol. 69, issue C

Abstract: The study aims to examine systemically important stock markets in the global financial system within the scope of portfolio theory. For this purpose, we use daily stock market indices from 46 countries (23 developed and 23 developing stock markets) in North America, Latin America, the Middle East and Africa, Asia, the Pacific, Eastern Europe, and Europe between 1995 and 2021. Based on the Component Expected Shortfall (CES), we identify systemically important stock markets and use the quantile spillover analysis to examine the financial contagion and directional spillovers emanating from downside risks among stock markets. Overall, we observe stock markets of developed countries figured prominently in terms of systemic risk until the Global Financial Crisis (2007–2009; henceforth GFC), while developing country stock markets particularly those of China and India gained traction after the GFC. Moreover, we observe a shift in terms of systemic risk in recent years from the West to the East geographically. To increase global financial market resilience and improve stability, supervision, and macroprudential policies can be formulated to limit risk spillovers in global stock markets. Additionally, it is critical to diversify investments outside equity markets, such as currency, bond, gold, and oil asset classes. When considering overseas portfolio choices for diversity, investors should keep the financial spillover effects in mind.

Keywords: Financial contagion; Systemic risk; Component expected shortfall; Portfolio diversification; Financial stability (search for similar items in EconPapers)
Date: 2024
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Citations: View citations in EconPapers (3)

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Persistent link: https://EconPapers.repec.org/RePEc:eee:riibaf:v:69:y:2024:i:c:s0275531924000758

DOI: 10.1016/j.ribaf.2024.102282

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