Price competition promotion system, price competition promotion method and price competition promotion program

摘要

To provide a price competition promoting method for a buyer and a plurality of suppliers to carry out e-commerce over a purchase operation device, and voluntarily promoting price competition amongst the suppliers by notifying price information of other suppliers.SOLUTION: In a purchase operation environment 100, a purchase operation device comprises a product determination section, a notification transmittance section, and a database server. The database server includes a product master database and a notification condition database. The product master database is a database for defining equivalent articles of products published in a product catalog based on the product catalog provided by a plurality of suppliers. The notification condition database is a database for storing notification conditions set by buyers or the suppliers.SELECTED DRAWING: Figure 1