We undertake a study where we examine changes in the profitability, productivity and price recovery of firms in the U.S. telecommunications industry over a sixteen-year period. We assess the performance of thirty-three major companies in the local-exchange sector over six time periods 1975,...

This paper assesses the significance, risk-adjusted performance and portfolio diversification benefits of the listed property securities markets in the Asian international financial centres (IFCs) of Tokyo, Singapore and Hong Kong over January 1998 - March 2008, contrasting this performance to...

The significant economic growth and urbanisation of China in recent years has seen increased importance given to infrastructure development in China; this includes airports, toll roads, communications, ports, power plants and water. The purpose of this paper is to assess the significance and...

The advent of commodity-based high-performance clusters has raised parallel and distributed computing to a new level. However, in order to achieve the best possible performance improvements for large-scale computing problems as well as good resource utilization, efficient resource management and...

We consider the optimal pricing problem in a service facility in order to maximize its long-run average profit per unit time. We model the facility as a queueing process that may havefinite or infinite capacity. Customers are admitted into the system if it is not full and if they are willing to...

In the first section, a firm with two servers must decide how to dynamically route arriving customers and allocate servers to two separate queues. The servers may work together or separately, and we provide insights into how the firm should optimally route customers and assign servers to queues....

In this thesis, we study the repair shop scheduling problem(repair-to-stock) and the production/inventory system pricing and production scheduling problem(make-to-stock). For both types of problems, we compare the performance of different scheduling policies. For the make-to-stock type problem,...

Der Call Center-Markt hat Ende der 90er Jahre und Anfang des neuen Jahrtausends einen rasanten Aufschwung mit zum Teil sehr hohen Ums?tzen erfahren, was zur Folge hatte, dass immer mehr Auskunftsdienstleister auf dem Markt kamen. Als Konsequenz daraus resultiert nun eine versch?rfte...

Für produzierende Unternehmen wird es zunehmend wichtig, auch die operativen Risiken besser zu bewerten. Daher werden Methoden benötigt, mit denen diese Risiken identifiziert und bewertet werden können. Im Rahmen der vorliegenden Arbeit wurden entsprechende Methoden entwickelt. Dabei geht es...