Poster with text describing research conducted by Roger Schwarz advised by Terry Wells and Abe Nahm.

Application of multisource feedback (MSF) increased dramatically and became widespread globally in the past two decades, but there was little conceptual work regarding self-other agreement and few empirical studies investigated self-other agreement in other cultural settings. This study...

There is a growing focus on sustainability in corporate objectives. A key approach to managing and implementing sustainability is through operations management. Sustainable operations hold the key to increased profitability and effective management of environmental issues. Among the business...

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...

We review multi-echelon inventory models for repairable items. Such models have been widely applied to the management of critical spare parts for military equipment for around three decades, but the application to manufacturing and service industries seems to be much less documented. We feel...

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

As a result to today?s uncertain economy, companies are searching for alternative ways to stay competitive. In which, Company XYZ has been faced with an ineffective forecasting method that has lead to multiple product stock outs. The issue faced has caused sales loss as well as profit loss,...