Chapter 20 Definitions Flashcards
Consumer Choice
The want-satisfying power of a good or service
Utility
The analysis of consumer decision making based on utility maximization
Utility analysis
A representative unit by which utility is measured
Util
The change in total utility due to a one-unit change in the quantity of a good or service consumed
Marginal Utility = change in total utility / change in number of units consumed
The principal that as more of any good or service is consumed, its extra benefit declines. Otherwise stated, increases in total utility from the consumption of a good or service become smaller and smaller as more is consumed during a given time period
Diminishing Marginal Utility
A choice of a set of goods and services that maximizes the level of satisfaction for each consumer, subject to limited income
Consumer optimum
The tendency of people to substitute cheaper commodities for more expensive commodities
Substitution effect
The principle that consumers shift away from goods and services that become priced relatively higher in favor of goods and services that are now priced relatively lower
Principle of substitution
The value of money for buying goods and services. If your income stays the same but the price of one good that you are buying goes up, your effective _________________ falls
Purchasing power
The change in peoples purchasing power that occurs when, other things being constant, the price of one good that they purchase changes. When that price goes up, real income, or purchasing power falls, and when that price goes down, real income increases
Real-income effect