Bidders bid on an entire "lot" or package of goods as a single unit.
Multi-item auction where winners pay their individual bid prices for their chosen quantity. bulk buy auctions
: This is a specific type of "bulk" auction where multiple identical items are sold. Bidders submit bids for both a price and a quantity, and winners pay the exact amount they bid. Summary of Bulk Auction Types Auction Type Description Group-Buying Bidders bid on an entire "lot" or package
Price drops for all participants as the total volume of bids increases. Bidders submit bids for both a price and
This paper is particularly insightful because it defines the "group-buying auction" as a dynamic pricing mechanism where bidders form a collective to secure volume discounts: the more people who bid, the lower the final price becomes for everyone in the group. Key Papers & Concepts