Purpose – The purpose of this paper is to present a mathematical model that illustrates the trade‐offs between sustainability, demand, costs, and profit in a supply chain with a single supplier and a single manufacturer. Design/methodology/approach – It is assumed that a single product is...

Purpose Order picking is one of the most costly logistics processes in warehouses. As a result, the optimization of order picking processes has received an increased attention in recent years. One potential source for improving order picking is the reduction of picker blocking. The purpose of...

This paper analyzes how German municipalities organize their purchasing activities. It aims to identify patterns in the structure of the purchasing function and to study how the size of the municipality influences the design of its purchasing organization. Therefore, an analytical framework...

Purpose – The purpose of the paper is to develop a mathematical model that describes group learning processes with and without worker turnover. Design/methodology/approach – Based on an extensive literature review, fundamental characteristics of group learning processes are first identified...

Purpose – The purpose of this paper is to present an original model for the production-recycling-reuse of plastic beverage bottles. Design/methodology/approach – It is assumed that discarded two-liter plastic polyethylene terephthalate (PET) bottles are collected from the market. The bottles...