This paper develops the integrated inventory models with permissible delay in payment, in which customers' demand is sensitive to the buyer's price. The models consider the two-level trade credit policy in the vendor-buyer and buyer-customer relationships in supply chain management. A simple...

Vendor-buyer models for trade credit issues in the existing literature always consider the items produced as perfect. However, a number of items in a lot may be of imperfect quality. This paper extends Chen and Kang's [2007. Integrated vendor-buyer cooperative models with variant permissible...