Purpose – This study aims to demonstrate a service quality improvement project implemented by the Lean Six Sigma (LSS) methodology to achieve dramatic improvements with respect to service quality and speed in the refund process of the logistics center in Amway Company, Taiwan. It describes in...

In this paper we consider vendor-buyer channels subject to trade credit and quantity discounts for freight cost. We deal with the problems of determining the vendor's credit period, the buyer's retail price and order quantity while still maximizing profits. We focus on how channel coordination...

It is possible to realize considerable savings by aggregating the replenishment of a variety of items in a multi-item supply chain. This joint multi-item replenishment policy has already been widely applied in a variety of industries. This type of policy may make it possible for the retailer to...