Auction Theory, Second Edition improves upon his 2002 bestseller with a new chapter on package and position auctions as well as end-of-chapter questions and chapter notes. Complete proofs and new material about collusion complement Krishna's ability to reveal the basic facts of each theory in a style that is clear, concise, and easy to follow. With the addition of a solutions manual and other teaching aids, the 2e continues to serve as the doorway to relevant theory for most students doing empirical work on auctions. - Focuses on key auction types and serves as the doorway to relevant theory for those doing empirical work on auctions - New chapter on combinatorial auctions and new analyses of theory-informed applications - New chapter-ending exercises and problems of varying difficulties support and reinforce key points