Bidders bid on an entire "lot" or package of goods as a single unit.
: The paper "Bundling Decisions for Selling Multiple Items in Online Auctions" explores how sellers decide whether to auction items individually or as a "bulk" bundle. It highlights that bundling is most profitable when the items are highly complementary. bulk buy auctions
Multi-item auction where winners pay their individual bid prices for their chosen quantity. Bidders bid on an entire "lot" or package
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 Multi-item auction where winners pay their individual bid
Multi-item auction where all winners pay the same price (usually the lowest successful bid).