TY JOUR TI ASSESSMENT OF BUSINESS ACTIVITY OF THE COMPANY: THE GOLDEN RULE OF ECONOMICS KW business activity of the enterprises of the construction industry KW qualitative indicators KW quantitative indicators KW turnover indicators KW the "Golden rule of economy" JO Bulletin of Belgorod State Technological University named after. V. G. Shukhov AU Khoroshun, N.. AU Shamaeva , O.. AU Izbiryan, L.V. PY 2017 IS 2 PB Belgorod State Technological University named after V.G. Shukhov