The document discusses consumer buyer behavior and business buyer behavior. It describes the factors that influence consumer behavior, such as cultural, social, personal and psychological factors. It also outlines the consumer decision making process of need recognition, information search, evaluation of alternatives, purchase decision and post-purchase behavior. For business buyers, it notes that the buying process is more formalized and complex due to organizational influences. It also outlines the business buying process and key differences in business-to-business markets compared to consumer markets.