Stock transaction data have become very detailed and enormous with the introduction of electronic-trading systems. This makes it a problem to store and to access,the data in later analyses such as mining useful gatterns and backtesting trading strategies. This paper investigates several storage methods in terms of both storage space and access efficiency and then proposes a new dynamic storage ...

We examine the evolution of the public electronic trading community over the Internet, based on the case study of two e-hubs for direct materials in the hi-tech industry in Asia. We identify three different stages in the transformation of the public online trading community. We also observe that there are two types of online trading community formation at a different stage of the public communi...

Modern financial markets compete aggressively for trading activity and investor interest. Information technology, once a crucial element in streamlining paper flows and operations, is now a strategic resource used in attracting or retaining market liquidity. Established exchanges introduce technology to enhance their markets. New market venues challenge the status quo and rely on technology to ...

We are the first to evaluate the impact of the trading floor closure on the corresponding efficiency of the stock price formation process on the Toronto Stock Exchange (TSX). Utilizing short-horizon return predictability as an inverse indicator of market efficiency, we demonstrate that while the switch to all electronic trading resulted in higher trading activity and lower trading costs, the in...

This paper proposes that electronic marketplaces for Web 3.0 can be described through three metaphors: “marketplaces where people are”, “marketplaces that are alive and engaging”, and “market places where information is valuable and useful”. The paper presents the core technologies that enable the perceivable reality of electronic marketplaces. It describes a demonstrable prototype of a Web-bas...

Being provided with a unique high-frequency dataset, we are able to show by means of an empirical analysis that computer-based traders, i.e. Algorithmic Trading (AT) engines, behave significantly different from human traders with regard to their order cancellation behaviour. Furthermore, given exactly this difference we point out that the application of well-established “traditional” liquidity ...

In the course of technological evolution security markets offer low-latency access to their customers. Although latency figures are used as marketing instruments, only little research sheds light on the means of those figures. This paper provides a performance measure on the effect of latency in the context of the competitive advantage of IT. Based on a historical dataset of Deutsche Börse’s el...

This paper aims to show investigations made in knowledge e-marketplaces (Ke-markets). It gathers, reviews, structures, and compiles in a homogeneous presentation information of the current state of the art in knowledge marketplaces and trading. This work also aims to give an overview of the e-marketplace evolution, with a particular consideration of the knowledge marketplace, making a survey of...

It is appropriate for the IS field to examine the suitability of its practices in light of the complexity of developing electronic business systems. Research shows that planning and developing business-tobusiness electronic trading systems (ETS) is fraught with difficulties concerning the priorities and power of individual organisations. This paper evaluates the usefulness of Triple Loop Learni...

Recent changes in the German energy policy initiated a deregulation process from a monopolistic to a competitive market, fundamentally changing the market structure, transaction relationships and trading processes. While the mutual exchange of electric energy has been a business activity between vertically integrated utilities for a long time, wholesale electricity trading in an open market onl...