TY JOUR TI Construction of a Multiplicative Model for Calculating the Volume of Production of Finished Products of a Mining Enterprise KW mining enterprise KW the volume of production of finished products KW conditionally variable costs KW planning KW demand KW budgeting KW multiplicative model JO Scientific Research and Development. Economics of the Firm AU Shembel', A.A. AU Sorvina, O.V. PY 2021 IS 10 PB INFRA-M Academic Publishing LLC.