| 摘要 |
PROBLEM TO BE SOLVED: To enable a consumer to take part in price formation by realizing price negotiation between with the side of a selling person. SOLUTION: This joint buying method for plural users to buy merchandise jointly on a computer network 8 consisting of plural computer terminals 5 and 6 connected in a state where data communication is possible includes a purchase desire receiving step for coordinating and registering at least personal information of a user and information enabling specifying of the merchandise which the user desires to purchase, a purchase desiring person totaling step for totaling the number of the purchase desiring persons of each merchandise based on registered information, a purchase desiring person number disclosing step for disclosing the totaled number of the purchase desiring persons to the side of the selling person by each merchandise and a sales price receiving step for receiving a sales desired price from the side of the selling person. |
