Savras I. Big business in the Market Transformation of Ukrainian Economy.

The essence of big business has been elucidated. Its scientific definition has been offered. The scientific classification of criteria and functions of big enterprises have been worked out. The evolution of scientific conceptions of the development of the big business has been researched. Conformities with a law of functioning of big enterprises in different economic system have been distinguished. The complex analyze of the big domestic business has been performed. The tendencies of its development have been distinguished. The necessity of state support of big business has been substantiated. Measures for the improvement of the mechanism of regulation and support of big business have been offered. Recommendations and propositions for the improvement of conditions of functioning and for the development of big enterprises under the circumstances of a difficult period of transformation have been drawn.