Problem Definition: Expansions in product assortment undertaken by online retailers often engender operational challenges. In undertaking such expansions, retailers exercise a choice between expanding assortment depth or width. We empirically examine the relative impacts of assortment depth and...

In modern supply chains, customers expect a high level of service, which results in short delivery times and improved service offerings through retailers. The resulting pressure on supply chains requires a precisely coordinated scheduling of successive processes. Even though a multitude of...

Logistics processes are strongly affected by automation but due to the prevailing conditions the demand for human labor will still remain in intralogistics, in particular in manual order picking. While the results of previous research work on learning processes in manual order picking are mainly...

Order picking systems are confronted with a volatile demand and short delivery time requirements. Manufacturing companies face the increasing variability requirements with Heijunka-levelling, one method of the Toyota Production System. The objectives of this publication are to develop a...