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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. United States Army Pigeon Service - Wikipedia

    en.wikipedia.org/wiki/United_States_Army_Pigeon...

    A war pigeon at Signal Pigeon Center Tidworth (UK), United States Army Pigeon Service. The United States Army Pigeon Service ( a.k.a. Signal Pigeon Corps) was a unit of the United States Army during World War I and World War II. Their assignment was the training and usage of homing pigeons for communication and reconnaissance purposes.

  4. Pigeon racing - Wikipedia

    en.wikipedia.org/wiki/Pigeon_racing

    A flock of pigeons. Pigeon racing is the sport of releasing specially trained homing pigeons, which then return to their homes over a carefully measured distance.The time it takes the animal to cover the specified distance is measured and the bird's rate of travel is calculated and compared with all of the other pigeons in the race to determine which animal returned at the highest speed.

  5. Vickrey–Clarke–Groves auction - Wikipedia

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

    Auctions. 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. History of Chincoteague, Virginia - Wikipedia

    en.wikipedia.org/wiki/History_of_Chincoteague...

    The 2007 pony swim. The history of human activity in Chincoteague, on the Eastern Shore of Virginia, begins with the Native Americans.Until European explorers possessed the island in the late 17th century, the Chincoteague Indians used it as a place to gather shellfish, but are not known to have lived there; Chincoteague Island lacked suitable soil for their agriculture.

  7. War pigeon - Wikipedia

    en.wikipedia.org/wiki/War_pigeon

    War pigeon. Dispatching of a message by carrier pigeon within the Swiss Army during World War I. Homing pigeons have long played an important role in war. Due to their homing ability, speed, and altitude, they were often used as military messengers. Carrier pigeons of the Racing Homer breed were used to carry messages in World War I and World ...

  8. Chinese auction - Wikipedia

    en.wikipedia.org/wiki/Chinese_auction

    Chinese auction is a derogatory term for a type of the all-pay auction, where the probability of winning depends on the relative size of a participant's bid. The choice of the winner is done by a lottery, whereby the bidders compete for a higher chance of winning. It is also known as penny raffle, chance auction and tricky tray.

  9. Vickrey auction - Wikipedia

    en.wikipedia.org/wiki/Vickrey_auction

    A Vickrey auction or sealed-bid second-price auction ( SBSPA) is a type of sealed-bid auction. Bidders submit written bids without knowing the bid of the other people in the auction. The highest bidder wins but the price paid is the second-highest bid. This type of auction is strategically similar to an English auction and gives bidders an ...

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