A deterministic, continuous time, nonstationary, multiproduct inventory model is formulated to find the number of joint replenishments, the order quantities, and the times at which orders should be placed which minimize the total cost over a finite time horizon. Both backlogging and no...

Purpose – The purpose of this paper is to demonstrate how the lean Six Sigma method can be applied to procurement, processes where there is an extensive use of information technology and communication (ICT) systems. The paper defines a method to streamline, digitize and reduce waste in...