Explanation:

Consumer behaviour is the study of how individual customers, groups or organizations select, buy, use, and dispose ideas, goods, and services to satisfy their needs and wants. It refers to the. actions of the consumers in the marketplace and the underlying motives for those actions.
Studying consumer behavior is important because it helps marketers understand what influences consumers’ buying decisions.

By understanding how consumers decide on a product, they can fill in the gap in the market and identify the products that are needed and the products that are obsolete. Studying consumer behavior also helps marketers decide how to present their products in a way that generates a maximum impact on consumers. Understanding consumer buying behavior is the key secret to reaching and engaging your clients, and converting them to purchase from you.