Economics
The study of scarcity and choice
Trade-Offs
What you give up to get something else
Resource
Anything that can be used to produce something else
Microeconomics
The study of how individuals, households, and firms make decisions and how those decisions interact
Macroeconomics
Study of the overall ups and downs of the economy
Positive Economics
Analysis of how the economy works and focuses on questions that have definitive answers
Normative Economics
Analyzing how the economy should work
Ceteris Parabus
All things being equal
PPC
Illustrates the necessary trade-offs in an economy that produces only 2 goods; alternative combinations that could be produced using all of your resources and technology; shows the true cost of any good
Efficiency
Any point on your PPC
Economic Growth
An increase in the maximum amount of goods and services an economy can produce; outward shift of the PPC
Trade
Providing goods and services in exchange for other goods and services
Specialization
Specializing in the task you are good at performing
Adam Smith
The Wealth of Nations
Comparative Advantage
Ability to produce a specific good or service at a lower opportunity cost; the basis for international trade
Absolute Advantage
Ability to produce a specific good or service with less resources
Terms of Trade
The rate at which one good can be exchanged for another
Demand
Willingness and ability
Demand Schedule
Table that shows how much of a good or service consumers will be willing to buy at various prices
Law of Demand
Higher price equals less quantity demanded, lower price equals higher quantity demanded
Normal good
Rising income causes a rise in demand for that good
Inferior good
Rise in income decreases the demand for that good
Individual
Relationship between quantity demanded and price for an individual; one business in particular in the market
Market
Combined quantity demanded by all consumers depends on the market price of that good; all producers in the market
The Supply Curve
Shows the relationship between the quantity supplied and price
Quantity supplied
Actual amount that producers are willing to sell at a particular price
Supply schedule
How much would be supplied at various prices
Law of Supply
As prices rises, quantity supplied rises, as price falls, quantity supplied falls
Change in supply
Shift of the supply curve
Change in quantity supplied
Movement along the supply curve in response to price change
Equilibrium Price
Market-clearing price, quantity demanded is equal to quantity supplied
Disequilibrium
Market price is above or below the actual equilibrium price in a market
Surplus
Quantity supplied exceeds quantity demanded
Shortage
Quantity demanded exceeds quantity supplied