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2. 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]

3. Auction - Wikipedia

   en.wikipedia.org/wiki/Auction

   In an English auction, all current bids are visible to all bidders and in a sealed-bid auction, bidders only get to know if their bid was the best. Best/not best auctions are sealed-bid auctions with multiple bids, where the bidders submit their prices like in English auction and get responses about the leadership of their bid. [74] Rank ...

4. 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 ...

5. Vickrey–Clarke–Groves auction - Wikipedia

   en.wikipedia.org/wiki/Vickrey–Clarke–Groves...

   A Vickrey–Clarke–Groves (VCG) auction is a type of sealed-bid auction of multiple items. Bidders submit bids that report their valuations for the items, without knowing the bids of the other bidders. The auction system assigns the items in a socially optimal manner: it charges each individual the harm they cause to other bidders. [1]

6. Food swap - Wikipedia

   en.wikipedia.org/wiki/Food_swap

   Attendees bring items that they wish to swap and then bid for each other's produce, either verbally or on cards in the form of a silent auction, until suitable swaps are negotiated. Often attendees bring extra items either as free samples or as contributions to a potluck lunch or tea, so that there is more time to get to know each other ...

7. 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.