id	author	title	date	pages	extension	mime	words	sentence	flesch	summary	cache	txt
ajceb-9514	Badawy, Mohamed; El-Sheikh, Rana; Hamdy, Khaled	Sensitivity analysis of key factors influencing concession period estimation in PPP wastewater treatment projects: a system dynamics approach	2025	25	.pdf	application/pdf	11089	566	40	The analysis focused on the following: comparing various modeling approaches to point out strengths and limitations in methodology, identifying common influential factors in the estimation of concession periods, numerical results, especially sensitivity analysis and break- even estimates, and geographical studies on concession period modeling to understand geographical disparities concerning concession period modeling. Overall, these findings underscore the importance of discount rates in assessing project concession periods, as lower rates correlate with shorter recovery times and enhanced investor attractiveness, while higher rates lead to longer recovery periods and greater uncertainty.	cache/ajceb-9514.pdf	txt/ajceb-9514.txt