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...

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...

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...

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...