TY JOUR TI Diversification as a tool for ensuring the enterprise economic security: assessment of the new products marginal target costs KW diversification KW marginal target costs KW pricing methods KW rating method of pricing JO The Economy under Guard AU Podoliak, O.O. AU Prilutskaya, M.A. AU Cherepanova, E.V. PY 2020 IS 2020 PB Nizhny Novgorod Academy of the Ministry of the Interior of Russia