The global integration of markets has both eroded the sovereignty of national governments in regulating their domestic economies and also given rise to distinctive new forms of regulation whose authority may be largely independent of any national government. Information and communication...

Online price dispersion has remained a puzzle for many years. In this article, we test the effects of a range of factors identified in the literature including vendor strategy, market structure, vendor heterogeneity and the time dimension. We use a dataset collected from the Amazon.com,...

A relatively new type of panel data analysis is becoming more and more topical in the applied econometrics literature as auction mechanisms are being explored in more depth. The typical data utilized in such studies involves repeated measures of auction outcomes, where the variable of interest...

Online auction environments provide several sources of information that can be used by bidders to form their bids. The impact of this information on bidding is likely to be higher when ambiguously specifi ed products are auctioned. The secondary market represents one such environment, where used...

An online provider’s termination of a user’s online account can be a major-and potentially even life-changing-event for the user. Account termination exiles the user from a virtual place the user wanted to be; termination disrupts any social network relationship ties in that venue, and...

Despite the strong and consistent increase in the use of electronic payment methods worldwide, the diffusion of electronic wallets is still far from widespread. Analysis of the failure of electronic wallet uptake has either focused on technical issues or chosen to analyse a specific scheme...

The Web is the largest human information construct in history transforming our society. How can we understand, measure and model the Web evolution in order to design effective policies and optimize its social benefit? Early measurements of the Internet traffic and the Web graph indicated the...

In 2010, Web users ordered, only in Amazon, 73 items per second and massively contribute reviews about their consuming experience. As the Web matures and becomes social and participatory, collaborative filters are the basic complement in searching online information about people, events and...

Vulnerability scanning employs software that seeks out security flaws based on a database of known flaws, testing systems for the occurrence of these flaws and generating a report of the findings that an individual or an enterprise can use to tighten the networks security. In august 2010, a...