Digital contents commerce transaction management apparatus, digital contents commerce transaction management method and program

摘要

The commerce transaction management device (1) comprises a transaction history list, a sales result number calculation section (113) for calculating the number of sales of the digital contents, and a sales history notification section , A resale announcement number calculation section (114) for calculating the resale announcement number, and a next sold by a mathematical function that calculates a selling price using the number of actual sales sales figures calculated by subtracting the resale announcement number from the sales record number Or a price determination section (112) for determining a transaction price at the time of resale.