Internet auctions for consumers are among the most popular and most successful business models in electronic commerce. Research so far, however, has focused on prerequisites and consequences of auctions as a marketing instrument of suppliers. Even though it is a key success factor from a...

The main results of our indirect evolutionary approach to trust in large interactions suggest that trsutworthiness must be detectable if good conduct in trust-relationships is to survive. According to theoretical reasoning there is a niche then for an organization offering a possibly costly...

Least-Unmatched Price Auctions have become a popular format of TV and radio shows. Increasingly,they are also applied in internet trading. In these auctions the lowest single (unique)bid wins. We analyze the game-theoretic solution of least unmatched price auctions when prize,bidding cost and...

Online trading has become an important topic in research and general public. As current trading platforms like eBay or Amazon usually require human interaction, these platforms haver several drawbacks when the trading process is completely automated using software agents. This paper outlines the...

The fact that an electronic market (EM)belongs to a specific market place operatorresults in specific objectives of itsmarketing. The main question is: How canan operator promote the performance ofhis market place ?The central task of an EM is the coordinationof supply and demand....

Electronic commerce is on the way! Thegrowth of worldwide data networks isopening an enormous potential for commercialtransactions in virtual marketplaces.Now that the Internet and otheron-line services have grown so rapidly,business activities aided by electroniccommunications and information...

A procurement contract is granted by a bureaucrat (the auctioneer)who is interested in a low price and a bribe from the provider.The optimal bids and bribes are derived based on an iid private costassumption. In the experiment, bribes are negatively framed (betweensubjectstreatment) to capture...

Applying an evolutionary framework, we investigate how a reputation mechanism and abuyer insurance (as used on Internet market platforms such as eBay) interact to promote trustworthinessand trust. Our analysis suggests that the costs involved in giving reliable feedbackdetermine the gains from...