Studies in newsvendor decision-making have shown that human decisions systematically deviate from analytical solutions found in many utility models of the single period problem (SPP). Yet for the most part the impacts of this human decision bias in systems of newsvendor type products have not...

This thesis studies inventory control with risk of major supply chain disruptions, specifically border closures and congestion. We first investigate an inventory system in which the probability distributions of order leadtimes are dependent on the state of an exogenous Markov process; we will...

This thesis studies three problems related to inventory control.The first problem is motivated by the need to eliminate thebullwhip effect in a supply chain. An important source of thiseffect is the inventory control policy, which is originallydesigned to smooth production in response to demand...

Uncertainty is a norm in business decisions. In this research, we focus on the inventory decisions for companies with uncertain customer demands. We first investigate forward buying strategies for single stage inventory decisions. The situation is common in commodity industry where prices often...

University of Minnesota Ph.D. dissertation. August 2009. Major: Industrial Engineering. Advisor: Saif Benjaafar. 1 computer file (PDF); vi, 116 pages.

In den letzten dreißig Jahren hat sich die Entsorgungswirtschaft in Deutschland grundlegend gewandelt. Insbesondere mit der Einführung des Dualen Systems wurden Sortierprozesse immer wichtiger. Ziel war es von nun an, die Verpackungsabfälle in möglichst sortenreine Wertstofffraktionen zu...