Econ Unit 4 Flashcards
(19 cards)
Demand
the desire, ability, and willingness to buy a product, can compete with others who have similar demands
Microeconomics
the area of economics that deals with behavior and decision making by small units, such as individuals and firms
Demand Schedule
The demand schedule is a listing that shows the various quantities demanded of a partic-ular product at all prices that might prevail in the market at a given time.
Demand Curve
a graph showing the quantity demanded at each and every price that might prevail in the market.
Market Demand Curve
the demand curve that shows the quantities demanded by everyone who is interested in purchasing the product.
Law of Demand
the quantity demanded of a good or service varies inversely with its price. In other words, when the price goes up, quantity demanded goes down. Likewise, when the price goes down, quantity demanded goes up.
Marginal utility
the extra usefulness or satisfaction a person gets from acquiring or using one more unit of a product
diminishing marginal utility
the extra satisfaction we get from using additional quantities of the product begins to diminish.
change in quantity demanded
a movement along the demand curve that shows a change in the quantity of the product purchased in response to a change in price.
substitution effect
the change in quantity demanded because of the change in the relative price of the product.
change in demand
something happens to cause the demand curve itself to shift.
income effect
the change in quantity demanded because of a change in price that alters consumers’ real income
substitutes
they can be used in place of other products.
complements
the use of one increases the use of the other.
elasticity
a measure of responsiveness that tells us how a dependent variable such as quantity responds to a change in an independent variable such as price.
demand elasticity
the extent to which a change in price causes a change in the quantity demanded
elastic
a given change in price causes a relatively larger change in quantity demanded.
inelastic
a given change in price causes a relatively smaller change in the quantity demanded.
unit elastic
meaning that a given change in price causes a proportional change in quantity demanded.