TY JOUR TI Features of Designing a Portfolio of Financial Instruments Based on the Evaluation of Beta-Coefficients KW financial dynamics KW financial uncertainty KW portfolio theory KW optimal portfolio KW Sharpe ratio KW risk appetite KW investment strategy JO Scientific Research and Development. Economics AU Vlasov, D.A. AU Sinchukov, A.V. PY 2024 IS 12 PB INFRA-M Academic Publishing LLC.