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This article describe the process of electronic auction (E-Auction),which is introduced to negotiate terms of contract between suppliers and buyers mainly in the industrial sector. ==Definition== The electronic auction (eAuction) is an e-business between auctioneers and bidders, which takes place on an electronic marketplace. It is an electronic commerce which occurs business to business (B2B), business to consumer (B2C), or consumer-to-consumer (C2C). The auctioneer offers his goods, commodities or services on an auction side on the internet. Interested parties can submit their bid for the product to be auctioned in certain specified periods. The auction is transparent, all interested parties are allowed to participate the auction in a timely manner. The two major types of the electronic auction are forward auction in which several buyers bid for one seller's goods and reverse auction in which several sellers bid for one buyer's order. Forward auctions take the form of a single seller offering an item for sale, with buyers competing to secure the item by bidding the price upward (see Figure 1). Forward auctions are far-better understood by the public at large than reverse auctions as to how they operate, due primarily to the fact that they are widely used at the consumer level. In fact, forward auctions underlie everything from eBay and other online auction sites to auctions of art, wine, and other collectibles. They are also widely used for auctioning everything from autos, real estate, machinery, etc., where the goal is for the seller to receive the most money possible for the item being offered at auction. Thus, a forward auction should be utilized for sales of goods and services of all types, whether conducted online, offline, or a hybrid of the two. Reverse auctions are the other major form of auctions. In a reverse auction, a single buyer makes potential sellers aware of their intent to buy a specified good or service (see Figure 2). During the course of the actual reverse auction event, the sellers bid against one another to secure the buyer’s business, driving the price to be paid for the item downward. Thus, the winning bidder is the seller who offers the lowest price. Reverse auctions are most typically used for procurement by private companies, public sector agencies, and non-profit organizations. There are several types of auctions possible, e.g. * Dutch Auction * English Auction * Japanese Auction 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Eauction」の詳細全文を読む スポンサード リンク
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