Web aggregation has been available regionally for several years, but this service has not been offered globally. As an example, using multiple regional comparison aggregators, we analyze the global prices for a Sony camcorder, which differ by more than three times. We further explain that lack of global comparison aggregation services partially contribute to such huge price dispersion. We also ...

Introduction As the advent of nearly ubiquitous information infrastructures promotes the development of electronic commerce applications, new electronic market intermediaries are emerging which bring significant changes in the economics of marketing and distribution channels by interposing themselves between suppliers and consumers in electronic marketplaces (Rayport and Sviokla 1994). On the o...

Positive externalities characterize the consumption of a majority class of information goods and services such as software, e-mail, and online content and services including virtual communities. We show that network externality is critical for the market segmentation and product line decisions of an information goods seller. With externality, a monopoly of multiple existing products offers exac...

The growth of e-commerce brings to foreground innovative e-based services, which heavily affect the behaviour of sea travellers. The interested parties of the maritime market (i.e., shipping companies, travel agencies, port authorities, etc.) have to take account of the new scheme and take appropriate actions in order to strengthen their presence in e-market. In this context, the paper discusse...

The success of the Internet has brought a large quantity of providers offering search and delivery services for scientific literature. We observe the development of an information market, where the value of a piece of information is determined by the law of supply and demand. This situation raises questions as to the future of university libraries. The objective of this paper is to find answers...

The recent handling over of the assets of Power Holding Company of Nigeria (PHCN) successor companies to the core investors was a major landmark in the reform of the electric power sector in Nigeria. However, the emergence of the different autonomous utilities for running the deregulated electricity market has great consequent for the day-to-day planning and operation of the power grid. There i...

In this article we investigate the role of recommender systems and their potential in the educational and scientific environment of a Virtual University. The key idea is to use the information aggregation capabilities of a recommender system to improve the tutoring and consulting services of a Virtual University in an automated way and thus scale tutoring and consulting in a personalized way to...

The author in her article presents services as a market product which is more and more often an innovative product. A particular attention is paid to the services' features which have an important impact on behaviour of the services market participants. Introduction to the market of new, improved, technologically advanced services requires a competent consumer. Key words', services, features, i...