A Benders Decomposition Method for Dynamic Facility Location in Integrated Closed Chain Problem

Table 3

Definition of model’s decision variables.

	1 if the location i is open as a facility of type f at time period t; otherwise, 0.
	1 if the location i is open as a facility of type h at time period t; otherwise, 0.
	1 if the location i is open as a facility of type r at time period t; otherwise, 0.
	1 if customer j chooses facility i at time period t; otherwise, 0.
	Quantity of the new product shipped from facility k to facility i at time period t.
	Quantity of the new product shipped from plant l to facility i at time period t.
	Quantity of the used product shipped from facility i to plant l at time period t
	Quantity of the new product held in the facility i at time period t.
	Quantity of the used product held in the facility i at time period t.