The article presents theoretical research basis for the formation of managerial decisions in the concept of the “information economy”. The paper shows that management decisions are based on objective information contained in the material technical and manufacturing support. The magnitude of the objective information contained in the material technical and manufacturing support information is the dimension of the enterprise. Presents a theoretical study of the changing information dimension of the enterprise in the implementation of resource-saving technological equipment. The theoretical investigations of the influence of the lack of information in management decision on the profitability and efficiency of the company’s primary activities.