TY JOUR TI Analysis of Structural Changes in the Behavior of Russian Stock Market Investors Using Search Query Data KW search queries KW behavioral finance KW Russian stock market KW structural changes KW IMOEX KW market environment JO Scientific Research and Development. Economics of the Firm AU Rodionov, D.S. AU Tursunov, B.A. PY 2026 IS 15 PB INFRA-M Academic Publishing LLC.