| 摘要 |
A system and a method for a multilevel EC(Electronic Commerce) service using a member of a coupon having an ID number matched with each member on the online are provided to guarantee a purchase principal of a customer on the multilevel EC service and sponsor the member without buying an unnecessary product on the multilevel EC service. A control server(200) is an operation server of an EC service provider using coupon sponsorship and operates a web site for the EC. If membership registration and product purchase are realized by the coupon sponsorship/sale through the Internet(209), the control server pays a part of sales for a predetermined period to the members sponsoring a sponsored person as a sponsor allowance by offering the coupon and returns a coupon purchase principal to the member not sponsoring other person with the coupon as a happy allowance. A settlement server(205) processes settlement of the member buying the coupon/product. A registered member terminal(203) receives the coupon from the sponsor and buys/offers the coupon to the sponsored person through the control server. |
