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However, if the minimum bid increment is very low, the sorites paradox can come into play, and make it difficult for a person to establish a single maximum bid. [9] For example, if the minimum bid increment on an auction is 10 cents, it can be difficult or impossible for a person to identify a price which they would be willing to pay to win the ...
The initial standing high bid at the start of an auction is zero ($0) and the corresponding bidder is the auctioneer. As the auction progresses, the standing high bid changes to highest new bid and the corresponding bidder is the person who makes said bid. In addition to posting the round results, minimum bids for the next round are also posted.
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]
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]
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 ...
Note that with this bidding function, the player with the higher value still wins. We can show that this is the correct equilibrium bidding function in an additional way, by thinking about how a player should maximize his bid given that all other players are bidding using this bidding function. See the page on first-price sealed-bid auction.
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Online auctions often use an equivalent version of Vickrey's second-price auction wherein bidders provide proxy bids for items. A proxy bid is an amount an individual values some item at. The online auction house will bid up the price of the item until the proxy bid for the winner is at the top.