Author

Nermeen Ishker

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Open access Sep 2026

Does economic diversification affect GDP growth asymmetrically in GCC countries? Panel PMG–NARDL evidence

This paper investigates whether economic diversification affects GDP growth symmetrically or asymmetrically in GCC countries over the period 2000–2022. Economic diversification is measured using a Composite Economic Diversification Index (CEDIX) based on export, revenue, and sectoral concentration measures. The study u...

Nermeen Ishker, Hanadi Taher, Maggie Houshaimi · International Journal of Man... · 0 citations

Open access Jul 2026

Asymmetric Effects of Economic Diversification on GDP Growth Volatility in GCC Countries: Evidence from a Composite Diversification Index and a Panel NARDL Model

This paper examines the asymmetric association between economic diversification and gross domestic product (GDP) growth volatility in the Gulf Cooperation Council (GCC) countries during the period 2000–2022. GDP growth volatility is measured using the rolling five-year standard deviation of real GDP growth. Economic di...

Nermeen Ishker, Hanadi Taher, Maggie Houshaimi · Economies · 0 citations