The document discusses four models of consumer behavior:
1. The economic model views consumers as making rational choices to maximize benefits while minimizing costs based on economic factors like price and income.
2. The learning model sees behavior as shaped by innate and learned needs that products can be associated with to drive consumption.
3. The psychoanalytic model incorporates the conscious and subconscious influences on decisions, including hidden symbols that can impact brand preferences.
4. The sociological model examines the impact of social roles and cultural influences on what and how consumers purchase.