This paper considers the ramifications of post-auction competition on bidding behavior under different bid announcement policies. In equilibrium, players attempt to signal information to their post-auction competitors through their bids. Thus, an auctioneer can take advantage of these attempts...

This paper explores the sale of an object to an ambiguity averse buyer. We show that the seller can increase his profit by using an ambiguous mechanism. That is, the seller can benefit from hiding certain features of the mechanism that he has committed to from the agent. We then characterize the...

We consider mechanisms for allocating a common-value prize between two players in an incomplete information setting. In this setting, each player receives an independent private signal about the prize value. The signals are from a discrete distribution and the value is increasing in both...