This paper proposes an approach to estimating the relation between risk (conditional variance) and expected returns in the aggregate stock market that allows us to escape some of the limitations of existing empirical analyses. First, we focus on a nonparametric volatility measure that is void of...

As dot.com became dot.bomb, the hype that surrounded the meteoric growth of the network economy has given way to realism, or even scepticism, about the potential of ICT as a source of new business models. It is now appropriate to reflect critically on the e-economy hype, and to use this as a way...

E-marketing is rapidly growing in significance and is having a direct impact upon traditional marketing strategy and operations. It requires planning and innovation to make it work, implying organizational commitment and effective management, supported by technology, process and structure.Fully...

This comprehensive textbook considers all of the key business, management and technical issues of e-Business, examining and explaining how technologies can help organizations in both the public and private sectors conduct business in new ways.After addressing the changing nature of the e-Economy...

Since the much-hyped dot.com crash, treading the e-business path can be daunting. In these increasingly uncertain and cynical times, this useful text unpicks the challenges of e-Marketing for many types of business. It uses topical case studies and accompanying web material to provide an...

Purpose - The aim of this paper is to investigate whether technological developments can be used in call centre environments to build trust and hence lasting customer relationships beyond the usual focus on efficiency gains through automation. Design/methodology/approach - Draws upon depth...

This paper provides a contemporary example of the disruptive impact of new technology upon industry structure, through investigation into the ongoing viability of retail travel agents in an industry where technology is a key driver of change. The Internet has provided opportunities for major...

Purpose: We draw upon the findings of a research project which investigated networking styles by owner/managers of small businesses. Our specific objective was to analyse the impact of such networking activities on business growth to develop a taxonomy of networking based on size, business model...

While much attention has recently been focused on the problems facing Internet start-ups, the challenge of e-business affects a much broader constituency of organisations. For established companies, the key challenge is one of change. Such companies must rethink fundamental aspects of company...

This paper studies the estimation of a semi-strong GARCH(1,1) model when it does not have a stationary solution, where semi-strong means that we do not require the errors to be independent over time. We establish necessary and sufficient conditions for a semi-strong GARCH(1,1) process to have a...