Internet auctions are common in nearly all consumer categories. Hence, it is not surprising that a great deal of research has emerged on the topic in recent years. New design and format considerations and a wealth of available data from various platforms provide new questions and promising...

ABSTRACT. Popular procurement auction formats vary along two main dimensions: (1) whether the winner is determined by the lowest price or by the buyer, and (2) whether auctions are sealed bid or dynamic. The attractiveness of these formats critically depends on information available to bidders...

A price matching guarantee (PMG) is a promise to match a competitor's lower price. A price beating guarantee (PBG) is a promise to beat that price. This study presents a large-scale controlled field experiment involving pairs of simultaneous auctions to examine the impact of the presence versus...

We consider auctions with price externality where all bidders derive utility from the winning price, such as charity auctions. In addition to the benefit to the winning bidder, all bidders obtain a benefit that is increasing in the winning price. Theory makes two predictions in such settings:...