A supply chain is the system of organizations, people, technology, activities, information,and resources involved in moving a product or service from supplier to customer. Themain and basic challenges in the supply chain are to plan a strategy to manage theresources and meet the demands, to...

Master of Science

This thesis addresses a problem at the nexus of operations, strategy, and economics: in concentrated markets, on the one hand firms may need to expand capacity in order to improve their competitive position, and on the other they also seek to avoid industry excess capacity causing poor industry...

This study investigated supply chain management practices in the retail grocery industry from two perspectives. First, the operational performance objectives were examined by developing and testing a periodic review, joint replenishment model and heuristic. Joint replenishment policies, designed...

Supply Chains mit hohen Absatzrisiken sind gekennzeichnet durch kurze Verkaufszyklen, einen hohen Anteil an Impulsk?ufen, eine schwer prognostizierbare Nachfrage, eine hohe zeitliche und r?umliche Verf?gbarkeit der Produkte, lange Durchlaufzeiten und eine hohe Variantenanzahl. Insbesondere...

Primäres Ziel dieser Arbeit war die Entwicklung neuer heuristischer Lösungsverfahren für die logistische Tourenplanung bei restringierendem Anhängereinsatz (engl. Truck and Trailer Routing Problem). Kennzeichnend für dieses kombinatorische Optimierungsproblem ist, dass Fahrzeuge einen...

Since the early 1960s, the Beer Distribution Game (BDG) has been used to characterize the various instabilities that arise in multi-stage supply chains. Although an appreciable body of research exists for the BDG and its inherent nonlinear instabilities, there are three apparent technical voids...

In the first part of this thesis, we consider a manufacturer who has a process with an increasing failure rate over time. In order to improve the performance of the process, the following two types of maintenance activities are outsourced to an external contractor: (a) Preventive maintenance...

In most organizations the decision making processes associated with the development of new products are broken down into three hierarchical levels: strategic, tactical and operational; that use data and decision support tools individually tailored. In each level, only the part of the process...

In recent decades, warranties have become more important in deciding the overall product quality. In this thesis, we use warranty as the planning tool to improve product quality during the customer phase. We develop an analytical framework that consists of systematic planning methods to reduce...