TY JOUR TI The impact of the labor organization system on the productivity of main production staff in the energy industry KW work organisation system KW energy industry KW labour productivity KW core production staff KW capital-labour ratio KW energy-labour ratio KW specific headcount KW correlation-regression analysis KW PJSC RusHydro JO JOURNAL OF MONETARY ECONOMICS AND MANAGEMENT AU Kolnoguzenko, K.M. PY 2026 IS 0 PB ITBO University