Game Study on Collusion in the First-price Sealed-bid Reverse Auction

摘要

Collusion between suppliers in reverse auctions may damage buyers' benefits and then lower efficiency of resource allocation.Under first-price sealed-bid reverse auction mechanism,suppliers' equilibrium bidding strategy and buyers' revenue loss was analyzed considering collusion.Then some general conclusions were given:suppliers' bidding strategy is relevant to some factors such as valuation costs,the number of suppliers and Cartel;the number of suppliers and Carter can lead to buyers revenue loss.Finally,considering two different kinds of distribution function,the strategies of improving buyer's revenue were discressed.