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...

One of the goals of procurement is to establish a fair price while affording the buyer some flexibility in selecting the suppliers to deal with. Reverse auctions do not have this flexibility, because it is the auction rules and not the buyer that determine the winner. But an important advantage...