This paper analyzes consumers' choices between, as well as behavior within three selling mechanisms which are frequently used in online marketplaces: posted prices, ascending auctions and Buy-It-Now auctions. In an exploratory experiment, where subjects choose between one mechanism and an...

Information decay in networks generates two effects. First, it differentiates how well informed different players within the same component are, and therefore how attractive they are to sponsor links to. Second, players may prefer to sponsor links to players they are already connected to. By...