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2. Vickrey auction - Wikipedia

   en.wikipedia.org/wiki/Vickrey_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 incentive to bid their true value. The auction was first described academically by Columbia ...

3. Pitch (card game) - Wikipedia

   en.wikipedia.org/wiki/Pitch_(card_game)

   Pitch (or "high low jack") is an American trick-taking game equivalent to the British blind all fours which, in turn, is derived from the classic all fours (US: seven up). ). Historically, pitch started as "blind all fours", a very simple all fours variant that is still played in England as a pub ga

4. Glossary of contract bridge terms - Wikipedia

   en.wikipedia.org/wiki/Glossary_of_contract...

   Low–high signal On defense, to play a higher card, having already played a lower one, so as to convey information to partner. Contrast Echo, or high–low signal. Lucas twos A synonym or close variant of the Muiderberg convention, a weak two-bid showing 5 cards in a major and at least four cards in another suit.

5. First-price sealed-bid auction - Wikipedia

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

   FPSBA are thought to lead to low procurement costs through competition and low corruption through increased transparency, even though they may entail a higher ex-post extra cost of the completed project and extra time to complete it. [10] A generalized first-price auction is a non-truthful auction mechanism for sponsored search (aka position ...

6. Hand evaluation - Wikipedia

   en.wikipedia.org/wiki/Hand_evaluation

   In contract bridge, various bidding systems have been devised to enable partners to describe their hands so that they may reach the optimum contract.Key to this process is that players evaluate and re-evaluate the trick-taking potential of their hands as the auction proceeds and additional information about partner's hand and the opponent's hands becomes available.

7. 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]