Consumer Theory: Preferences, Choices, and Utility
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Lecture 3: Consumer Theory
Consumer Behavior
Consumer Preferences: The fact that a consumer prefers one good to another.
Budget Constraints: A consumer has limited resources (income) to consume a restricted quantity of goods.
Consumer's Choice: Given their preferences and budget constraints, they will choose the optimal consumption bundle of goods/services to maximize their 'satisfaction'. (Marginal Utility = Marginal Cost)
3 Assumptions about Tastes & Preferences
Completeness: Implies that consumers can compare and rank all possible market baskets. A>B, A<B, or A=B
Transitivity: If a consumer prefers A>B, and B>C, then they must prefer A>C. (A>B>C)
Non-satiation: Consumers are never satisfied; the more, the better.