Brand equity refers to the value and power of a brand's name and symbol in the marketplace, which is built over time through consumers' experiences and perceptions of the brand. It is an intangible asset that can significantly impact a company's financial performance and competitive position. Brand equity is rooted in the associations, memories, and relationships that consumers form with the brand, which can influence their buying behavior and loyalty.

Positive brand equity is established when consumers have a high level of awareness and familiarity with the brand, and they perceive it as unique, high-quality, and reliable compared to competitors. This perception often allows companies with strong brand equity to charge premium prices, enjoy customer loyalty, and have a higher market share. Additionally, strong brand equity can provide a company with leverage in the marketplace, from negotiating power with retailers to a more favorable position in partnership and expansion opportunities.

The components of brand equity include brand awareness (how familiar consumers are with the brand), brand associations (what comes to mind when consumers think of the brand), perceived quality (the consumers' assessment of the brand's overall quality and value), brand loyalty (the degree of consumer attachment to the brand), and other proprietary brand assets like trademarks and patents.

Building brand equity involves consistent marketing efforts, maintaining product quality, excellent customer service, and ongoing engagement with consumers. It is a long-term strategy that can lead to sustainable competitive advantages. Companies monitor their brand equity through various forms of market research and brand valuation practices to understand their brand's health and to make informed strategic decisions.