This dissertation consists of three stand-alone research papers, all of which treat the topic of estimation and dynamic modelling of multivariate volatility by employing the information contained in high-frequency data, which became available in the last 10 - 15 years. The main focus of all...

Unrealistische Zeitpläne und Aufwandsschätzungen gelten nach personellen Mängeln als zweitgrößter Risikofaktor von Softwareentwicklungsprojekten. Vor allem den Tests wird angelastet, die Auslieferung zu verzögern und Ursache teilweise erheblicher Budgetüberschreitungen zu sein. Dabei...

Presented here are methods for successfully controlling software maintenance activity so that present systems will be more useful and less expensive to support. While it is based on experience at Los Alamos National Laboratory, it is not based on solutions developed and implemented there. Los...

A commercially available knowledge-engineering software development tool has been used to illustrate how regulatory compliance and productivity in the nuclear industry can be improved simultaneously. Given the complex nature of the industry regulatory requirements, organizations that rely...

A commercially available knowledge-engineering software development tool has been used to illustrate how regulatory compliance and productivity in the nuclear industry can be improved simultaneously. Given the complex nature of the industry regulatory requirements, organizations that rely...

viii, 62 pp. Examining Committee Chair: Dr. Patricia Dewey

Using a model selection approach, this thesis proposes a constructive data-and-theory-combined procedure to identify model structures in the framework of a linear simultaneous equations system based on observed data. A model structure is characterized by restrictions on the structural...

In an increasingly competitive environment, firms have to optimally adjust both their allocation of input factors and their technology portfolio. The latter determines economies of scope and scale in future research and production. The aim of this dissertation is to achieve better insight into...