Evolution of the phenomenon of digital economy

The article studies the evolution of the concept "digital economy" based on the characteristics of this phenomenon by domestic and foreign scientists. We made an attempt to make a systematic analysis of the concept under consideration and its systematization build on identification of stages in accordance with various methodological approaches (factorial, structural, systemic, institutional). A comprehensive analysis identified general and specific systemic characteristics of this phenomenon (generated by various conditions during its development at all levels of the economy), factors stimulating or hindering the development of digitalization, and also the limits of information and communication technologies distribution in the economic system as a whole. A detailed study of the theoretical aspects of the concept under consideration should serve as the basis for further practical developments.