TY JOUR TI Marketing mix modelling as a tool for evaluating the effectiveness of advertising campaigns KW marketing mix modelling KW Bayesian approach KW synergy effect KW funnel effect KW saturation effect KW Adstock effect KW advertising channels KW causal inference JO Theoretical economics AU Nuriev, I.B. AU Dushenin, A.I. AU Ibragimov, N.M. PY 2025 IS 0 PB Yaroslavl State Technical University