TY JOUR TI Improving the accuracy of preliminary cost estimates for investment and construction projects based on the consolidated cost estimate method KW investment and construction project KW estimated cost KW pre-project stage KW consolidated estimate KW progressive packaging of works KW hierarchical decomposition KW estimation accuracy JO JOURNAL OF MONETARY ECONOMICS AND MANAGEMENT AU Tver'e, O.B. PY 2025 IS 0 PB ITBO University