TY JOUR TI Digitalization as a factor increasing information asymmetry in the art market KW art market KW information asymmetry KW art prices KW negative selection KW negative externalities KW elasticity of demand KW snob effect KW Veblen effect KW first-degree price discrimination JO Theoretical economics AU Rodina, G.A. PY 2025 IS 0 PB Yaroslavl State Technical University