BUYING AND SELLING SUPPORT DEVICE AND BUYING AND SELLING SUPPORT PROGRAM

摘要

PROBLEM TO BE SOLVED: To provide a buying and selling system capable of minimizing the burdens on a seller and a buyer.;SOLUTION: This buying and selling support device is provided with a means 1A for receiving sales desired information including allowable sales price information including the sales price of the lowest price allowed by a seller and seller identification information for identifying the seller, a means 1B for receiving purchase desired information including allowable purchase price information of the highest price allowed by a buyer and buyer identification information for identifying the buyer, a means 1D for storing information about contribution to purchase and sales such as the number of buying times and selling times and the total purchase/sales amounts in each seller identification information and each buyer identification information, a means 1E for determining a matching order for starting matching a seller and a buyer on the basis of contribution information stored in the contribution information storing means 1D, and a means 1F for matching with the opposite party that performs sales and purchase on the basis of the allowable sales price and the allowable purchase price in the order of a seller or a buyer located at a higher matching order determined by using the matching order determining means 1E.;COPYRIGHT: (C)2008,JPO&INPIT