Abdel-Maged, S.K. et al. 2026. Modeling the Gender Gap in Children’s Educational Expenditure in Egypt: An Econometric Hurdle Model Approach. Statistics, Optimization & Information Computing. 16, 3 (Jul. 2026), 2253–2275. DOI:https://doi.org/10.19139/soic-2310-5070-3905.