Paseda, Oluseun, Peter Ashade, Charles Manasseh, Felicia Olokoyo, J. Abiodun Oladimeji, Fatimah Abdulazeez, and Idowu Bosede Fasola. 2026. “Joint Estimation of Leverage Thresholds in State-Dependent Capital Structure Dynamics: An (S,s) Target Zone Framework for African Firms”. Advances in Differential Equations and Control Processes 33 (3). https://doi.org/10.59400/adecp4670.