Renegotiation is a common practice in procurement auctions which allows for post-auction price adjustments and is nominally intended to deal with the problem that sellers might underestimate the eventual costs of a project during the auction. Using a combination of theory and experiments, we...

Purchases by government agencies from private sector firms are often initiated by solicitation of bids to supply the desired items. Payment to the firm that is awarded the supply contract may be determined by (a) the bid price or (b) bid price plus a share of the difference between observable...