Keller (1993) suggested two stages of brand equity-development, labeled "awareness level" and "image level," that stem from consumers' needs and wants and lead to a brand evaluation within a product/service category; when coupled with purchase this becomes the manifestation of brand equity.
Brand evaluation is a method used to determine the tangible and intangible assets of a corporate or product brand. The goal is to quantify the overall impact of a brand and – partly – to convert it to monetary terms. There are more than 40 different approaches and models for brand evaluation.