The main purpose of this paper wants to investigate the optimal retailer's lot-sizing policy with two warehouses under partially permissible delay in payments within the economic order quantity (EOQ) framework. In this paper, we want to extend that fully permissible delay in payments to the supplier would offer the retailer partially permissible delay in payments. That is, the retailer must make a partial payment to the supplier when the order is received. Then the retailer must pay off the remaining balance at the end of the permissible delay period. In addition, we want to add the assumption that the retailer's storage space is limited. That is, the retailer will rent the warehouse to store these exceeding items when the order quantity is larger than retailer's storage space. Under these conditions, we model the retailer's inventory system as a cost minimization problem to determine the retailer's optimal cycle time and optimal order quantity. Three theorems are developed to efficiently determine the optimal replenishment policy for the retailer. Finally, numerical examples are given to illustrate these theorems and obtained a lot of managerial insights.

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This study explores how social influence approaches alter buyer–seller swift guanxi, trust in the seller and repurchase intention when considering the influence of buyer dependence. Based on the results of an online survey in three cities of Taiwan, we empirically test the research model using partial least squares analysis. We found that buyer dependence exerts different but positive effects on each social influence approach usage and only the identification approach contributes to buyer–seller swift guanxi, trust in the seller and repurchase intention. The buyer–seller swift guanxi also mediates the effects of the identification approach and trust in the seller on repurchase intention. This study clarifies the role of buyer dependence on the seller’s social influence approaches and buyer–seller swift guanxi in the online C2C marketplace context. A seller should exploit buyer dependence, learn how to use each social influence approach and develop close buyer-seller swift guanxi, then repurchase intention can be secured.

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