Auctions Flashcards
English Auction
First-price
Open bid
Ascending
Antiques and artworks
Dutch auction
Open-bid
descending auction
Sealed-bid first price
Single round
Bidders submit offers which aren’t known to others
Good allocated to bidder with highest price
Winner pays price which they bid
Procurement by companies and organisations
Government project contracts
Vickrey Auction
Sealed-bid second price auction
Winner pays price of second highest bid
Dominant strategy
Better than other strategies for one player, no matter how that player’s opponents may play
No dominant strategy for first-price sealed bid/dutch auction
In Vickrey auction/english auction, should bid true value
Revelation principle
Vickrey auction equivalent to english auction
Revenue Equivalence Theorem
All 4 auction protocols produce same expected revenue to auctioneer provided: Rational Risk Neutral Private value assumption holds Symmetric
Winner’s Curse
Value is unknown, paying more for item that it’s worth
e.g 3g spectrum licence auctions
Prevent by taking into account/use of open-bid auctions
Corruption
Auctioneer can be corrupted/Second-price procurement auctions illegal in Italy