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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.
The auction proceeds in two stages: In the first stage, each bidder bids either 0 (no jump) or K (jump). If exactly one bidder jumped, then this bidder wins the item and pays K and the auction is over. Otherwise - In the second stage, there is an incremental auction (a Japanese auction) starting at the current price. The initial price is 0 if ...
With the existence of the internet, online auctions have become an option. Online auctions are efficient platforms for establishing precise prices based on supply and demand. Furthermore, they can overcome geographic boundaries. Online auction sites are used for a variety of purposes, such as online "garage sales" by companies liquidating ...
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]
To make a bid, the price step has to be confirmed by the supplier. Also a First-price sealed-bid auction is possible. In this case, the suppliers make only one bid per item and then it is on the buyer to decide who the winner is. A Reverse Dutch Auction is not possible when doing an eBidding, since there will be only one winner.
The most straightforward form of an all-pay auction is a Tullock auction, sometimes called a Tullock lottery after Gordon Tullock, in which everyone submits a bid but both the losers and the winners pay their submitted bids. [5] This is instrumental in describing certain ideas in public choice economics. [citation needed]