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Principles of MacroEcon
- terminology mankiw
46
Economics
Undergraduate 2
01/31/2012

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Term
Economy
Definition
One who manages a household (how society manages it's scarce resources - or all it's resources)
Term
Scarcity
Definition
The limited nature of society's resources
Term
Efficiency
Definition
The property of society getting the most it can from its scarce resources
Term
Equality
Definition
The property of distributing economic prosperity uniformly among the members of society
Term
Opportunity cost
Definition
Whatever must be given up to obtain some item
Term
Rational people
Definition
People who systematically and purposefully do the best they can to achieve their objectives
Term
Marginal change
Definition
A small incremental adjustment to a plan of action
Term
Incentive
Definition
Something that induces a person to act
Term
Market economy
Definition
An Economy that allocates resources through the decentralized decisions of many firms and households as they interact in markets for goods and services
Term
Property rights
Definition
The ability of an individual to own and exercise control over scarce resources
Term
Market failure
Definition
A situation in which a market left on its own fails to allocate resources efficiently
Term
Externality
Definition
The impact of one person's actions on the well-being of a bystander
Term
Market power
Definition
The ability of a single economic actor (or small group of actors) to have a substantial influence on market prices
Term
Productivity
Definition
The quantity of goods and services produced from each unit of labor input
Term
Inflation
Definition
An increase in the overall level of prices in the economy
Term
Business cycle
Definition
Fluctuations in economic activity, such as employment and production
Term
Circular flow diagram
Definition
A visual model of the economy that shows how dollars flow through markets among households and firms.
Term
Production possibilities frontier
Definition
A graph that shows the combinations of output that the economy can possibly produce given the available factors of production and the available production technology
Term
Microeconomics
Definition
The study of how households and firms make decisions and how they interact in markets
Term
Macroeconomics
Definition
The study of economywide phenomena, including inflation, unemployment, and economic growth
Term
Positive statements
Definition
Claims that attempt to describe the world as it is
Term
Absolute Advantage
Definition
The ability to produce a good using fewer inputs than another producer
Term
Opportunity cost
Definition
Whatever must be given up to obtain some item
Term
Comparative advantage
Definition
The ability to produce a good at a lower opportunity cost than another producer
Term
Imports
Definition
Goods produced abroad and sold domestically
Term
Exports
Definition
Goods produced domestically and sold abroad
Term
Market
Definition
A group of buyers and sellers of a particular good or service
Term
Competitive market
Definition
A market in which there are many buyers and many sellers so that each has a negligible impact on the market price
Term
Quantity demanded
Definition
The amount of a good that buyers are willing and able to purchase
Term
Law of demand
Definition
The claim that, other things equal, the quantity demanded of a good falls when the price of the good rises
Term
Demand schedule
Definition
The table that shows the relationship between the price of a good and the quantity demanded
Term
Demand curve
Definition
A graph of the relationship between the price of a good and the quantity demanded
Term
Normal goods
Definition
A good for which, other things equal, an increase in income leads to an increase in demand
Term
Inferior goods
Definition
A good for which, other things equal, an increase in income leads to a decrease in demand
Term
Substitutes
Definition
Two goods for which an increase in the price of one leads to an increase in the demand for the other
Term
Complements
Definition
Two goods for which an increase in the price of one leads to a decrease in the demand for the other
Term
Quantity supplied
Definition
The amount of a good that sellers are willing and able to sell
Term
Law of supply
Definition
The claim that, other things equal, the quantity supplied of a good rises when the price of the good rises
Term
Supply schedule
Definition
A table that shows the relationship between the price of a good and the quantity supplied
Term
Supply curve
Definition
A graph of the relationship between the price of a good and the quantity supplied
Term
Equilibrium
Definition
A situation in which the market price has reached the level at which quantity supplied equals quantity demanded
Term
Equilibrium price
Definition
The price that balances quantity supplied and quantity demanded
Term
Equilibrium quantity
Definition
The quantity supplied and the quantity demanded at the equilibrium price
Term
Surplus
Definition
A situation in which quantity supplied is greater than quantity demanded
Term
Shortage
Definition
A situation in which quantity demanded is greater than quantity supplied
Term
Law of supply and demand
Definition
The claim that the price of any good adjusts to bring the quantity supplied and the quantity demanded for that good into balance
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