The document discusses consumer buying behavior and the factors that influence it. It provides definitions of consumer behavior and discusses the need to study consumer behavior to satisfy customer needs, understand consumer psychology, motives, choices, and preferences. It then describes different types of consumer buying behavior including complex, dissonance-reducing, habitual, and variety seeking behaviors. The stages of the consumer buying decision process are outlined as well as psychological, social, cultural, personal, and economic factors that influence consumer decisions.