Retailer's optimal strategy for a perishable product with increasing demand under various payment schemes

Yan Shi (), Zhiyong Zhang (), Sunil Tiwari () and Zhiwen Tao ()
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Yan Shi: Guangxi University of Finance and Economics
Zhiyong Zhang: South China University of Technology
Sunil Tiwari: National University of Singapore
Zhiwen Tao: South China University of Technology

Annals of Operations Research, 2022, vol. 315, issue 2, No 12, 899-929

Abstract: Abstract This paper studies the optimal replenishment strategy of the retailer under partial two levels of credit. The paper also considers the following scenarios: (1) the product under consideration is a deteriorating item, (2) the demand function is an incremental function of time, and (3) the retailer pays the supplier by the payment method of Advance-Cash-Credit (ACC) and gives his/her customers a certain credit period. (4) The supplier provides the retailer with a certain price discount to facilitate sales. The goal of the paper is to decide the retailer’s order cycle, which minimizes his/her total cost per unit time. Firstly, we proved the existence and uniqueness of the optimal solution. Secondly, we validated the theoretical results and discussed the performance of upstream ACC payment and downstream credit payment by numerical analysis of key parameters, numerical results show that it is cheaper for the retailer to pay for the payment in upstream ACC and downstream credit payment than in traditional payment method (i.e., upstream cash and downstream cash payment method), which encourage the retailer to order more quantity and less frequently under the former payment method. Thirdly, we compared the retailer’s order behaviors and total cost per unit time under the following five two-level payment types: upstream cash and downstream cash payment, upstream advance, cash, credit, ACC and downstream credit payment, in which the supplier will provide a certain price discount when the retailer pays in advance. It is found that the retailer pays the supplier in upstream advance and downstream credit payment is the lowest cost to the retailer, and it will lead to order the most quantities under this payment method, while the retailer pays the supplier with upstream credit and downstream credit (upstream credit period is shorter than the downstream credit period) is the highest cost to the retailer. The research results can help the retailers make the payment selections and optimize their operational decisions.

Keywords: Inventory management; Advance-cash-credit payment; Deteriorating product; Two-level trade credit; Increasing demand (search for similar items in EconPapers)
Date: 2022
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DOI: 10.1007/s10479-021-04074-4

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