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2. Online auction - Wikipedia

   en.wikipedia.org/wiki/Online_auction

   An online auction (also electronic auction, e-auction, virtual auction, or eAuction) is an auction held over the internet and accessed by internet connected devices. [ 1 ] [ 2 ] [ 3 ] Similar to in-person auctions, online auctions come in a variety of types , with different bidding and selling rules.

3. Vickrey auction - Wikipedia

   en.wikipedia.org/wiki/Vickrey_auction

   The terms Vickrey auction and second-price sealed-bid auction are, in this case only, equivalent and used interchangeably. In the case of multiple identical goods, the bidders submit inverse demand curves and pay the opportunity cost. [4] Vickrey auctions are much studied in economic literature but uncommon in practice.

4. Bidding - Wikipedia

   en.wikipedia.org/wiki/Bidding

   Bidding is an offer (often competitive) to set a price tag by an individual or business for a product or service or a demand that something be done. [1] Bidding is used to determine the cost or value of something. Bidding can be performed by a person under influence of a product or service based on the context of the situation.

5. First-price sealed-bid auction - Wikipedia

   en.wikipedia.org/wiki/First-price_sealed-bid_auction

   A first-price sealed-bid auction (FPSBA) is a common type of auction. It is also known as blind auction. [1] In this type of auction, all bidders simultaneously submit sealed bids so that no bidder knows the bid of any other participant. The highest bidder pays the price that was submitted. [2]: p2 [3]

6. Real-time bidding - Wikipedia

   en.wikipedia.org/wiki/Real-time_bidding

   Real-time bidding (RTB) is a means by which advertising inventory is bought and sold on a per-impression basis, via instantaneous programmatic auction, similar to financial markets. With real-time bidding, online advertising buyers bid on an impression and, if the bid is won, the buyer's ad is instantly displayed on the publisher's site. [ 2 ]

7. Dutch auction - Wikipedia

   en.wikipedia.org/wiki/Dutch_auction

   Dutch auctions are all sellers' bidding auctions, also known as silent auctions, which can be divided into two types. Manual silent auction is an early traditional form of price reduction auction, in which the auctioneer first publicly quotes the highest price, and then the bidders respond accordingly. In the event of a price that no one bids ...