The focus of this paper is on the role of business-to-consumer relationships and on the role of new communication technologies in establishing and maintaining relationships in electronic commerce. Therefore, a prototype of an Infobroker is presented using special services that allow individualized contacts with each customer. These contacts are carried out in the form of personalized informatio...

Strategy() AbstractStrategy(in agent: AbstractTradingAgent) endOfRound(in auction: Auction) eventOccurred(in event: AuctionEvent) getAgent(): AbstractTradingAgent initialise() modifyShout(in shout: Shout, in auction: Auction): Shout modifyShout(in shout: MutableShout): boolean protoClone(): Object reset() setAgent(in agent: AbstractTradingAgent) AbstractStrategy determineQuantity(in auction: Au...

This article focuses on mechanism design in public procurement settings involving combinatorial auctions. An important difference between combinatorial and forward auctions for procurement is that multiple attributes of the items for sale must be represented, since buying is more complicated than selling. We propose a new mechanism for multi-attribute combinatorial procurement auctions by revis...

In electronic auction applications, small-value merchandise is often distributed. We call this kind of auction micro auction. Compared to traditional general-purpose electronic auction, micro electronic auction has its own special requirements. Especially, micro auction must be very efficient: the cost of the auction protocol must not be over the cost of the merchandise for sale. Although the m...

While information technology has led to increased market integration, in many markets there are still significant heterogeneity associated with factors such as product characteristics, location, lots, transaction mode and buyer seller characteristics. Using a data set of 40 million observations up-streams fish sales Atlantic France, we use the rich attribute investigate extent which price diffe...

We study the impact of crossholdings on the efficiency of the standard auction formats. If both bidders with crossholdings and bidders without crossholdings participate in the auction process, neither the first-price auction nor the second-price auction is efficient. The ascending auction is not equivalent to the second-price auction. In a class of examples, the ascending auction is efficient. ...