Planning information security investment is somewhere between art and science. This paper reviews and compares existing scientific approaches and discusses the relation between security investment models and security metrics. To structure the exposition, the high-level security production function is decomposed into two steps: cost of security is mapped to a security level, which is then mapped...

Strategic management of Information Technology (IT) has long been regarded as a critical component of business performance. This study addresses two objectives. Firstly we investigate the practice and effectiveness of Strategic Information Systems Planning (SISP) as a function of strategic management in 29 large Australian organizations. Secondly we review these results through a theoretical le...

We critically consider the conventional belief that the attractiveness of international outsourcing lies in cheaper labour costs overseas and that it offers a means to ‘escape’ the power of unions. We develop an oligopoly model in which firms facing unionised domestic labour market choose between producing an intermediate in-house or outsourcing it to a non-unionised foreign supplier that makes...

The trading and investment decision processes in financial markets become ever more dependent on the use of valuation and risk models. In the case of risk management for instance, modelling practice has become quite homogeneous and the question arises as to the effect this has on the price formation process. Furthermore, sophisticated investors who have private information about the use and cha...

Acknowledgements The author would like to acknowledge VTrans for providing funding for this work. Disclaimer The contents of this report reflect the views of the authors, who are responsible for the facts and the accuracy of the data presented herein. Th e contents do not necessarily reflect the official view or policies of the UVM Transportation Research Center. This report does not constitute...

Strategic use of information technology, especially electronic commerce, has been used by organisations throughout the world in a vast array of industries to gain a competitive industry. With growing interest in electronic commerce organisations are now developing a new range of electronic commerce applications. However, justification in allocating organisation resources does not always follow ...

Supply chains, as vital systems to the well-being of countries and economies, require systematic approaches reduce their vulnerability. In this paper, we propose a non linear optimisation model determine an effective distribution protective resources among facilities in service supply so probability failure which are exposed case external disruptions. The protected assets depends on level prote...