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Author

T. Köse

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2 papers indexed here

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Open access Jul 2026

The Dynamics of Oil Prices and Stock Markets in Selected Arab Countries: Evidence from the Fourier-Shin Co-integration Test

This study uses the Fourier-Shin (F-Shin) cointegration test to examine the long-term interaction between Brent crude oil prices and the equity markets of selected Arab countries, using data from January 2010 to December 2024. The findings reveal a long-term co-integration relationship between oil and stock prices in J...

T. Köse, A. Öztop, Süreyya İmre Bıyıklı · 0 citations
Open access Aug 2026

Volatility Spillovers Between Oil Prices and Sectoral Stock Indices in Türkiye: Evidence from VAR-Diagonal BEKK-GARCH

This study assesses the volatility spillovers between Brent crude oil prices and main sectoral index returns on Borsa Istanbul using daily data from January 2, 2015, to 28 July 2025. Unlike previous studies that focus on aggregate market indices, this research provides a granular sectoral analysis to uncover hidden het...

T. Köse, Ezgi Kuyu · 0 citations

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