中文摘要：

由于信息产品主要通过网络销售，其技术经济特性使得传统的定价方法难以适用。在线信息产品定价研究有两大主要方向，就是将在线信息产品区分为在线信息服务和在线信息商品分类进行的，在此基础上总结了在线信息产品的技术经济特征和定价的总原则，综述了网络拥挤定价法、优先定价法、捆绑定价法、信息共享定价法和价格歧视定价法的定价机制及其主要结论，并对当前在线信息产品定价方法的最新进展进行了总结，最后对在线信息产品定价方法在实践中应用的局限进行了分析。

英文摘要：

Information products were divided into online information services and goods. Techni cal and economical characteristics of information products and general principals of pricing them were summarized. Net congestion pricing, priority one, bundling one, shared information one and discriminate and the up-dated ones were reviewed. The limits of pricing information products to practical uses were also analyzed.