TY JOUR TI Strategy Development for Managing Individual Investment Accounts (IIA) Based on Behavioral Factors KW individual investment account (IIA) KW behavioral factors KW cognitive biases KW investment strategy KW disposition effect KW overconfidence KW majority effect KW stock market JO Scientific Research and Development. Economics of the Firm AU Myagkova, Y.Y. PY 2026 IS 15 PB INFRA-M Academic Publishing LLC.