Multiple Objective Fuzzy Sourcing Problem with Multiple Items in Discount Environments

Table 1

Classification of discount schemes.

Discounts based on physical flows in a supply chain	Reference
Business volume discount	[7, 8]
Quantity discount	(1) Linear quantity discount [5, 6]; (2) Cumulative-all-units quantity discount (AQD); (3) Noncumulative-incremental quantity discount (IQD); Detailed literature see in [3]
Bundling	[9–11]
Deferred rebates based on total value of order; Deferred rebates based on the order quantity; Marginal discounts based on the total value of the order	[12]
Discounts based on informational flows in a supply chain
Lead-time dependent discount	Detailed literature see in [3]