Purpose – The purpose of this paper is to analyse and compare the performances of portfolio optimisation models including Markowitz's mean-variance model (MV model), Konno and Yamazaki's mean-absolute deviation portfolio optimisation model (MAD model), Young's minimax portfolio model and the...

Purpose – Today's global business is heavily dependent on information and communication technology (ICT). The reality for most organisations is that the rate of technology change has been extremely fast. To cope with these changes, some organisations are committing a large amount of resources....

Purpose – The purpose of this paper is to examine the key practical factors that confront global businesses as they attempt to improve all aspects of their operations including emerging areas of the customer experience. The paper focuses on the way various organisational capabilities such as...

Purpose – The objective of this paper is to identify the change model being used by a UK bank to implement and embed a major regulatory‐driven initiative (the Basle Capital Accord) into it is business operations. Design/methodology/approach – A naturalistic paradigm was adopted for this...

Purpose – In the literature, technology has been shown to perform two major roles, one functionalist and the second symbolic. The purpose of this paper is to explore how cultural expressions in the form of symbols impact on technology diffusion. Design/methodology/approach – Data were...

Purpose – The purpose of this paper is to focus on the diffusion of information and communication technology (ICT) among small indigenous agribusinesses operating in southeast Nigeria. The study emphasises the role played by social networks in the process of innovation and technology...

Purpose – The purpose of this paper is exploratory. The author seeks to put forward propositions on how firms may best conceive business risks in an environment characterised by constant change and uncertainty. To construct such a reality, the author examines how the military manages its...

Purpose – Unfortunately, the majority of studies examining business intelligence (BI) have focused on its exploitation in large firms. Often studies appear to assume that smaller firms have limited interest or capabilities in intelligence. The purpose of this paper is to redress this imbalance...

Purpose – Current research in the area of risk management within small and medium-sized enterprises (SMEs) appears predisposed towards risk, predominantly dealing with the willingness of SMEs to take on losses. However, in this pilot study, the authors aim to focus on a different aspect of...