2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/214249We introduce a fully probabilistic framework of consumer product choice based on quality assessment. It allows us to capture many aspects of marketing such as partial information asymmetry, quality differentiation, and product placement in a supermarket.12 pages, 12 figuresTrading and Market MicrostructurePhysics and SocietyGeneral Financetext