EN
The aim of the publication is to systematize the research results related with the influence of an informal information on customer behavior. On the basis of literature analysis, it has been concludes that all the factors influencing the impact of the information on customers’ purchase decision depends on three groups of factors: customer, product and information. The publication describes the influences of these groups of information-related factors on customer perception and behavior. Limitations of the research and suggestion for the future have also been indicated.