Due to the emergence and development of e-commerce, customers demand faster and cheaper delivery services. However, many retailers find it challenging to efficiently provide fast and on-time delivery services to their customers. Amazon and Walmart are among the retailers that are relying on...

We propose and analyze robust optimization models of an inventory management problem, where cumulative purchase, inventory and shortage costs over n periods are minimized for correlated non-identically distributed demand. We assume that the means and covariance matrix of stochastic demand are...

Ein ständig wachsender Anteil der Wertschöpfung erfolgt heute in Kooperation mit anderen Unternehmen, was vor allem für kleine und mittlere Unternehmen die Chance bietet, sich einerseits auf ihre Kernkompetenzen zu konzentrieren und andererseits durch eine virtuelle Größe das eigene...