An Integrated Supplier-Buyer Inventory Model with Conditionally Free Shipment under Permissible Delay in Payments

Table 1

Comparison between the papers discussing integrated inventory model with a trade credit.

Author(s)	Demand rate	Production rate	Production/purchase cost	Freight rate	Wholesale price
Abad and Jaggi [39]	Retail price sensitive	Constant	Constant	—	Constant
Jaber and Osman [40]	Constant	—	—	—	Constant
Yang and Wee [41]	Retail price sensitive	—	Constant	—	Constant
Sheen and Tsao [42]	Retail price sensitive	—	Constant	Quantity discounts are offered	Constant
Chen and Kang [43]	Constant	—	—	—	Constant
Su et al. [44]	Customer’s credit period sensitive	Constant	Constant	—	Constant
Ouyang et al. [45]	Retail price sensitive	Adjust with demand rate	Constant	Quantity discounts are offered	Constant
Ho et al. [46]	Retail price sensitive	Adjust with demand rate	Constant	—	Constant
This paper	Price sensitive	Adjust with demand rate	Production and demand sensitive	Conditionally free shipment	Production cost related

“—” denotes the factor is not considered in the model.