Shaeva Aleksandra Andreevna Master Student National Research Nuclear University MEPhI sfshulka_94@mail.ruMethodology for Calculating the Criteria of Economic Efficiency of Investments in Nuclear Icebreakers 9/23/2021 2021 - #03 Economics of nuclear power Klauz A.V. Frolov I.E. Kharitonov V.V. Shaeva A.A.