随着图书馆事业与电子资源建设的日益发展,电子资源定价方式已经从最初较为单一的形式演变为多样化的模式。本文在文献调研的基础上分析现有定价模型的不足,采用比较分析和综合归纳分析等方法,运用产品生命周期理论,结合数据库的特征,提出基于生命周期的数据库产品动态定价模式,丰富了现有电子资源定价模式。 With the development of libraries and the construction of electronic resources, the pricing of electronic resources has evolved from a relatively simple form to a diversified one. Based on the literature survey, this paper analyzes the shortcomings of the existing pricing models, and uses the methods of comparative analysis and general induction, using the product life cycle theory, combined with the characteristics of the database, puts forward the dynamic pricing model of database products based on the life cycle, Electronic resource pricing model.