In many auctions, the auctioneer is an agent of the seller. This delegation invites corruption. In this paper we propose a model of corruption, examine how corruption affects the auction game, how the anticipation of corruption affects bidding, and how it altogether changes the revenue ranking...

Suppose a firm uses inputs that are substitutes. Each input is supplied by a single contractor. The firm would like to make suppliers compete. However, since inputs are imperfect substitutes, resorting to winner-take-all competition may not be an attractive option. We allow the firm to use a...