Wavelets and estimation of long memory in nonstationary models: Does anything beat the exact local whittle estimator? - Heni Boubaker; Mohamed Boutahar; Rabeh Khalfaoui (Commun. Stat. Simul. Comput., 2017)

Dynamic causality interplay from COVID-19 pandemic to oil price, stock market, and economic policy uncertainty: evidence from oil-importing and oil-exporting countries. - Rabeh Khalfaoui; Sakiru Adebola Solarin; Adel Al-Qadasi; Sami Ben Jabeur (Ann. Oper. Res., 2022)

The role of political risk, uncertainty, and crude oil in predicting stock markets: evidence from the UAE economy. - Rabeh Khalfaoui; Sami Ben Jabeur; Shawkat Hammoudeh; Wissal Ben Arfi (Ann. Oper. Res., 2025)