Consumer Behavior
High School
Definition
The study of how individuals decide to spend their limited income, based on preferences, prices, and the satisfaction (utility) they expect. It helps explain demand for goods and services.
Worked examples
A student choosing between buying a $5 coffee or saving that money, weighing the immediate satisfaction of the drink against future needs.
Consumer behavior examines how preferences and budget constraints guide everyday spending decisions.
When gas prices rise, a family switches from driving to using public transit more often to maintain their budget.
Price changes alter consumer behavior by making certain goods less affordable relative to alternatives.
Common mistakes
- Consumer behavior only studies what people buy, not why they buy it → Consumer behavior studies both what people buy and the reasons behind those choices The 'why'—preferences, prices, and expected satisfaction—is central to understanding consumer behavior.
- All consumers behave the same way when prices change → Different consumers respond differently based on their individual preferences and income levels Consumer behavior varies because people have different tastes, budgets, and priorities.
- Consumer behavior assumes people always make perfectly rational decisions → While models assume rationality, real consumer behavior includes habits, emotions, and incomplete information Economic models simplify, but actual behavior is influenced by psychology and social factors too.
Where you'll use it next
You'll apply consumer behavior when studying market demand curves, elasticity, and how businesses set prices. It also connects to personal finance, marketing strategies, and broader economic policies.
See also
Supply and DemandOpportunity CostScarcity and ChoiceGoods and ServicesMarket StructuresPersonal Financial Planning
Reviewed by Pat Cheng, M.Ed. — StudyPug Curriculum Lead · Last updated June 6, 2026