Bidders bid on an entire "lot" or package of goods as a single unit.
: The research from ResearchGate analyzes bidding processes under the Independent Private Values (IPV) model. It proves that the optimal strategy for a bidder is generally to bid their true perceived value, regardless of when they join the auction. bulk buy auctions
: 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. 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 : The paper "Bundling Decisions for Selling Multiple
A helpful paper covering "bulk buy auctions"—often referred to in academic literature as or multi-unit auctions —is "Bidder's Strategy Under Group-Buying Auction on the Internet" .
: "Auction-Based Mechanisms for Electronic Procurement" describes scenarios where purchase requests are aggregated and bundled into a single Request for Quote (RFQ), allowing suppliers to provide volume discounts through competitive bids.
Multi-item auction where winners pay their individual bid prices for their chosen quantity.