The Annals of Regional Science

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Regional economic inequality in Egypt: A Kuznets curve, convergence, or shock-driven decline?

Sunday, Mar 1, 2026 by Hussein Suleiman and Yilin Chen The Annals of Regional Science

This paper measures inter-provincial inequality in Egypt from 1992 to 2022 using Gini and Theil indices, tests the Williamson-Kuznets hypothesis alongside sigma, beta, and club convergence, and examines the causal effects of structural-adjustment and COVID-19 shocks. It finds an inverted-U inequality path, no overall beta convergence (only club convergence), and a temporary shock-driven decline followed by renewed increases.

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Regional income convergence and conditioning factors in Turkey: Revisiting the role of spatial dependence and neighbor effects

Sunday, Aug 7, 2022 by Ugur Ursavas and Carlos Mendez The Annals of Regional Science

This paper studies regional income convergence and its conditioning factors across 81 provinces of Turkey over the 2007–2019 period. Through the lens of a nonlinear dynamic factor model, we first test the hypothesis that all provinces would eventually converge to a common long-run equilibrium. We reject this hypothesis and find that the provincial dynamics of income per capita are characterized by 6 convergence clubs. Next, we evaluate the conditioning factors behind club formation.

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