This paper concerns itself with understanding the operation of financial markets using realistic assumptions. The expectations of economic agents generate prices in the marketplace. The generation of the expectations derives from the information available in the marketplace and the perceived economic needs of the agents. The revision of expectations occurs as new information is constantly enter...

Given that consumer free riding involves a relatively high level of interaction with the marketplace, it is likely that individuals’ attitudes toward consumer free riding are related to degree to which they feel alienated from the marketplace. Such a relationship was observed to exist. Through further examination, attitudes toward consumer free riding appear to originate from two of the three a...

The literature on electronic marketplaces has a number of limitations; inconsistencies in defining electronic marketplaces and measuring their performance; a limited amount of empirical research focusing on electronic marketplace performance; and the absence of an electronic marketplace performance model. This study examines 8 electronic marketplaces operating in diverse geographical and produc...

After a short definition of the basic aspects of electronic marketplaces and a focus on its topic, this paper introduces mySAP.com Marketplace, which is part of SAP’s line of products in mySAP.com, dealing with electronic marketplaces. To follow, the actual model is being developed and divided into 3 phases, major emphasis of the model can be found in phase 2. The following part of this paper a...

This paper presents UbiBay, a self-organizing distributed auction system using a mobile multihop ad-hoc network as its sole communication platform. In order to substantially increase the probability that negotiating peers successfully reach an agreement, communication is focused on a static geographic area, called the marketplace. Users are not constrained to be at the marketplace physically, b...

The process of joining an electronic marketplace (e-marketplace), and the evaluation of which particular ones offer the most suitable mix of services for a particular business, is not a straightforward undertaking. With a myriad of variants on offer, and with the numerous membership models, features, services, functionality, product types, and technology platforms in existence, it can prove to ...

The greater energy content of larger food portions could be contributing to the increasing prevalence of overweight. Prevention guidelines recommend "sensible" portion sizes but do not define them. The US Department of Agriculture (USDA) defines standard serving sizes for dietary guidance, and the Food and Drug Administration (FDA) defines standard servings for food labels. To use these standar...

This paper proposes a novel communication pattern for mobile multihop ad-hoc networks which is based on a marketplace metaphor. In order to substantially increase the probability that negotiating peers sucessfully reach an agreement, communication is focused on a static geographic area, called the marketplace. Users are not constrained to be at the marketplace physically, but are allowed to uti...

Traders that operate in markets with multiple competing marketplaces must often choose with which marketplace they will trade. These choices encourage marketplaces to seek competitive advantages against each other by adjusting various parameters, such as the price they charge, or how they match buyers and sellers. Traders can take advantage of this competition to improve utility. However, appro...