Mathematical Modeling and Analysis of Khat-Chewing Dynamics

Table 2

Estimated values of parameters and their corresponding Khat-chewing generation numbers.

Parameters	Value 1	Value 2	Value 3	Value 4	Source
ϵ	0.3234	0.3234	0.3234	0.3234	WB
	0.06551	0.06551	0.06551	0.06551	[5, 35]
	0.00015	0. 00038	0. 055	0.9	Estimated
	0.065	0.07	0.65	0.68	Estimated
	0.0075	0.0085	0.25	0.65	Estimated
	0.35	0.35	0.35	0.35	Estimated
	0.79	0.79	0.79	0.79	Estimated
	0.45	0.45	0.45	0.45	Estimated
	0.65	0.65	0.65	0.65	Estimated
	0. 59	0.59	0.59	0.59	Estimated
	0.45	0.45	0.45	0.45	Estimated
	1000	1000	1000	1000	Estimated
	Rc0 = 0.39	Rc0 = 0.97	Rc0 = 64.32	Rc0 = 1193.76
At E^c	Rc0(1, 0, 0, 0, 0) = 0.00039	Rc0(1, 0, 0, 0, 0) = 0.00097	Rc0(1, 0, 0, 0, 0) = 0.064	Rc0(1, 0, 0, 0, 0) = 1.194

WB = World Bank (2017, 2018, and 2019).