Purpose – To show that The Sensory Order is useful for understanding Hayek's position on the informational role of prices. Methodology/approach – Hayek's psychological theory argues that every sensation is interpreted in the light of past experience. This idea is applied to Hayek's view on the price system by arguing that, similarly, every price is interpreted in the light of local knowledge. The usefulness of this approach is tested by addressing some common mainstream interpretations. Findings – Prices perform their informational role in interaction with local knowledge. The standard view, in which prices convey the same information to everyone, ignores the fundamental importance of local knowledge and varying interpretations. Re...