Disruption Risk Analysis of Substitutable Dual Product Supply Chain: A System Dynamics Framework

Table 2

Constants and parameter setting.

Name in Vensim	Value	Unit
Assemble time of traditional product	2	Week
Assemble time of green product	4	Week
Demand of all products at time t	N	Unit
Demand smoothing time	4	Week
Inventory adjustment time length	4	Week
Order smoothing time	4	Week
Production delay of critical component for product i	4	Week
Production delay of intermediate component for product i	2	Week
Safety stock coefficient	0.45	Dmnl
Unit inventory cost of critical component for green product	80	Dollar/unit
Unit inventory cost of critical component for traditional product	50	Dollar/unit
Unit inventory cost of green product	100	Dollar/unit
Unit inventory cost of intermediate component for green product	50	Dollar/unit
Unit inventory cost of intermediate component for traditional product	30	Dollar/unit
Unit inventory cost of traditional product	80	Dollar/unit
Unit production cost of intermediate component for green product	80	Dollar/unit
Unit production cost of intermediate component for traditional product	50	Dollar/unit
Unit sales price of critical component for green product	6000	Dollar/unit
Unit sales price of critical component for traditional product	4500	Dollar/unit
Unit sales price of green product	10000	Dollar/unit
Unit sales price of traditional product	8000	Dollar/unit
Unit sales price of intermediate component for green product	3500	Dollar/unit
Unit sales price of intermediate component for traditional product	2800	Dollar/unit
Time step	1	Week
Initial time	0	Week
Final time	200	Week