| 摘要 |
PROBLEM TO BE SOLVED: To provide a commercial transaction system allowing a customer to take part in 3R(reuse, recycle, and reduction) activity. SOLUTION: In this commodity transaction system allowing the customer to buy a product on the Internet, an account settling institution having the account settling function of money is connected to the Internet, a buying and selling institution adds performance evaluated information of a selling product (a new product, a used article, and an assembly) and price information to the product. The customer understanding these information informs the buying- selling institution of buying of the product via the Internet. When receiving this information, the buying-selling institution indicates information on product delivery to a physical distribution institution. The physical distribution institution delivers the bought product to the bought customer so that the performance evaluated information can be used for buying the product. Particularly in the used article, when determining a price by an auction, a desire of the customer for a commodity can be aroused so as to easily take part in the 3R activity. |
