关键词: 易变质品, 非瞬时补货, 数量折扣, 供应链协调

Abstract: To research the supply chain coordination of deteriorating items under non-instantaneous replenishment,by taking a two-echelon supply chain of deteriorating items consisted of a retailer and a supplier as an object,the model of supply chain total cost per unit time in the decentralized making-decision and the centralized making-decision was established separately with lot-for-lot replenishment policy.Through the comparison,the supply chain total cost per unit time in the centralized making-decision was lower than in the decentralized making-decision,but the retailer's total cost per unit time was increased.For compensating the cost losses of retailer under the centralized decision,a quantity discount strategy was provided to coordinate the supply chain.The coordination result demonstrated that when supplier provided the optimal quantity discount contract,the minimum total cost per unit time of retailer and supply chain could be realized at the same.The numerical example was used to verify the results of coordination,and the sensitivity analysis for deteriorating rate and replenishment rate were made.The results showed that the supply chain total cost per unit time was increased with the increasing of deteriorating rate and replenishment rate.

Key words: deteriorating items, non-instantaneous replenishment, quantity discount, supply chain coordination