Concerning the diversity and difference characteristics of the sources of marketing competitive intelligence, the article evaluates the sources based on the prospect theory and VIKOR method. Firstly, the article summarizes the internal and external sources of marketing intelligence; Secondly, the article builds an evaluation hierarchical model of intelligence sources combined with the development of marketing strategy ; Thirdly, the article gives the basic steps of the evaluation based on prospect theory and VIKOR method; Finally, a...