: 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.
Multi-item auction where all winners pay the same price (usually the lowest successful bid). bulk buy auctions
Bidders bid on an entire "lot" or package of goods as a single unit. : The paper "Bundling Decisions for Selling Multiple