Emmanuel, Opoku, Alfred Asiwome Adu, Harris Emmanuel, and Owusu Enock. “Evaluating Estimator Performance in Unbalanced Climate Panels: A Simulation-Based Comparison of FE, IV, Difference-GMM, and System-GMM”. Journal of Informatics and Mathematical Sciences 18, no. 1 (March 31, 2026): 35–58. Accessed October 3, 2026. https://www.rgnpublications.com/journals/index.php/jims/article/view/3415.