%0 Journal Article %T Cumulative Method of the Discount Rate Calculate at the Process of an Investment Project Effectiveness Evaluating %A Bykovnikov, I.L. %A Vinokurova, T.K. %K time value of money concept, investment, evaluation of investment project effectiveness, discount rate, cumulative discounted rate, risk, risk premium %J Scientific Research and Development. Economics of the Firm %D 2025 %N 14 %P 11 %I INFRA-M Academic Publishing LLC.