TY JOUR TI Management companies diversification strategy based economic and mathematical modeling KW diversification strategy into new markets KW competitiveness KW financial risk KW economic mechanism KW strategic management KW math modeling. JO Actual directions of scientific researches of the XXI century: theory and practice AU Shatalov, M.. AU Mychka, S.. PY 2015 IS 3 PB FSBE Institution of Higher Education Voronezh State University of Forestry and Technologies named after G.F. Morozov