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The MacroEconomy Today 1-10
The MacroEconomy Today Chapters 1-10 Key Terms
137
Economics
Undergraduate 1
10/11/2010

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Term
Scarcity
Definition
Lack of enough resources to satisfy all desired uses of those resources.
Term
Factors of Production
Definition
Land, Labor, Capital, Entrepreneurship
Term
Capital
Definition
Final goods produced for use in the production of other goods, e.g., equipment, structures
Term
Entrepreneurship
Definition
The assembling of resources to produce new or improved products and technologies.
Term
Economics
Definition
The study of how best to allocate scarce resources among competing uses.
Term
Opportunity Cost
Definition
The most desired goods or services that are forgone to obtain something else.
Term
Production Possibilities
Definition
The alternative combinations of final goods and services that could be produced in a given time period with all available resources and technology.
Term
Efficiency
Definition
Maximum output of a good from the resources used in production
Term
Economic Growth
Definition
An increase in output (Real GDP); an expansion of production possibilities
Term
Mixed Economy
Definition
An economy that uses both market signals and government directives to allocate goods and resources
Term
Market Failure
Definition
An imperfection in the market mechanism that prevents optimal outcomes
Term
Government Failure
Definition
Government intervention that fails to improve economic outcomes
Term
MacroEconomics
Definition
The study of aggregate economic behavior, of the economy as a whole
Term
Ceteris Paribus
Definition
The assumption of nothing else changing
Term
GDP
Definition
The total market value of all goods and services produced within a nation's borders in a given time period
Term
Per Capita GDP
Definition
The dollar value of GDP divided by total population, average GDP
Term
Economic Growth
Definition
An increase in output (real GDP); an expansion of production possibilities
Term
Factors of Production
Definition
Resource inputs used to produce goods and services, such as land, labor, capital, entrepreneurship
Term
Human Capital
Definition
The knowledge and skills possessed by the workforce
Term
Capital Intensive
Definition
Production processes that use a high ratio of capital to labor inputs
Term
Productivity
Definition
Output per unit of input, such as output per labor-hour
Term
Externalities
Definition
Costs (or benefits) of a market activity borne by a third party; the difference between the social and private costs (benefits) of a market activity
Term
Monopoly
Definition
A firm that produces the entire market supply of a particular good or service
Term
Income Quintile
Definition
One-fifth of the population, rank-orrdered by income
Term
Factor Market
Definition
Any place where factors of prodcuction (e.g., land, labor, capital) are bought and sold
Term
Product Market
Definition
Any place where finished goods and services are bought and sold
Term
Opportunity Cost
Definition
The most desired goods or services that are forgone in order to obtain something else
Term
Supply
Definition
The ability and willingness to sell (produce) specific quantities of a good at alternative prices in a given time period, ceteris paribus
Term
Demand
Definition
The ability and willingness to buy specific quantities of a good at alternative prices in a given time period, ceteris paribus
Term
Demand Schedule
Definition
A table showing the quantities of a good a consumer is willing and able to buy at alternative prices in a given time period, ceteris paribus
Term
Demand Curve
Definition
A curve describing the quantities of a good a consumer is willing and able to buy at alternative prices in a given time period, ceteris paribus
Term
Law of Demand
Definition
The quantity of a good demanded in a given time period increases as its price falls, ceteris paribus
Term
Substitute Goods
Definition
Goods that substitute for each other; when the price of good x rises, the demand for good y increases, ceteris paribus
Term
Complementary Goods
Definition
Goods frequently consumed in combination; when the price of good x rises, the demand for good y falls, ceteris paribus
Term
Shift in Demand
Definition
A change in quantity demanded at any (every) given price change
Term
Market Demand
Definition
The total quantities of a good or service people are willing and able to buy at alternative prices in a given time period; the sum of individual demands
Term
Market Supply
Definition
The total quantities of a good that sellers are willing and able to sell at alternative prices in a given time period, ceteris paribus
Term
Law of Supply
Definition
The quantity of a good supplied in a given time period increases as its price increases, ceteris paribus
Term
Equilibrium Price
Definition
The price at which the quantity of a good demanded in a given time period equals the quantity suppled
Term
Market Mechanism
Definition
the use of market prices and sales to signal desired outputs (or resource allocations)
Term
Price Floor
Definition
Lower limit set for the price of a good
Term
Market Surplus
Definition
The amount by which the quantity supplied exceeds the quantity demanded at a given price; excess supply
Term
Market Shortage
Definition
The amount by which the quantity demanded exceeds the quantity supplied at a given price; excess demand
Term
Price Ceiling
Definition
Upper limit imposed on the price of a good
Term
Optimal mix of output
Definition
The most desirable combination of output attainable with existing resources, technology, and social values
Term
Private Good
Definition
A good or service whose consumption by one person excludes consumption by others
Term
Public Good
Definition
A good or service whose consumption by one person does not exclude consumption by others
Term
Free Rider
Definition
An individual who reaps direct benefits from someone else's purchase (consumption) of a public good
Term
Market Power
Definition
The ability to alter the market price of a good or a service
Term
Antitrust
Definition
Government intervention to alter market structure or prevent abuse of market power
Term
Natural Monopoly
Definition
An industry in which one firm can achieve economies of scale over the entire range of market supply
Term
Transfer Payments
Definition
Payments to individuals for which no current goods or services are exchanged, like Social Security, welfare, and unemployment benefits
Term
Merit Good
Definition
A good or service society deems everyone is entitled to some minimal quantity of
Term
Unemployment
Definition
The inability of labor force participants to find jobs
Term
Inflation
Definition
An increase in the average level of prices of gods and services
Term
Opportunity Costs
Definition
The most desired goods or services that are forgone in order to obtain something else
Term
Progressive Tax
Definition
A Tax system in which tax rates rise as income rise
Term
Proportional tax
Definition
A tax that levies the same rate on every dollar of income
Term
Regressive tax
Definition
A tax system in which tax rates fall as incomes rise
Term
Government Failure
Definition
Government intervention that fails to improve economic outcomes
Term
Public Choice
Definition
Therory of public sector behavior emphasizing rational self-interest of decision makers and voters
Term
National-income Accounting
Definition
The measurement of aggregate economic activity, particularly national income and its components
Term
Intermediate Goods
Definition
Goods or services purchased for use as input in the production of final goods or in services
Term
Value added
Definition
The increase in the market value of a product that takes place at each stage of the production process
Term
Nominal GDP
Definition
The value of final output produced in a given period, measured in the prices of that period (current prices)
Term
Real GDP
Definition
The value of final output produced in a given period, adjusted for changing prices
Term
Base year
Definition
The year used for comparative analysis; the basis for indexing price changes
Term
Inflation
Definition
An increase in the average level of prices of goods and services
Term
Depreciation
Definition
The consumption of capital in the production process; the wearing out of plant and equipment
Term
Net Domestic Product
Definition
GDP less depreciation
Term
Investment
Definition
Expenditures on (Production of) new plant, equipment, and structures (capital) in a given time period, plus changes in business inventories
Term
Gross Investment
Definition
Total investment expenditure in a given time period
Term
Net Investment
Definition
Gross investment less depreciation
Term
Exports
Definition
Goods and services sold to international buyers
Term
Imports
Definition
Goods and services purchased from international sources
Term
Net Exports
Definition
The value of exports minus the value of imports
Term
National Income
Definition
Total income earned by current factors of production: GDP less depreciation, plus net foreign factor income
Term
Personal Income
Definition
Income received by households before payment of personal taxes
Term
Disposable Income
Definition
After tax income of households personal income less personal taxes
Term
Saving
Definition
That part of disposable income not spent on current consumption; disposable income less consumption
Term
Labor Force
Definition
All persons age 16 and over who are either working for pay or actively seeking paid employment
Term
Labor-Force Participation Rate
Definition
The percentage of the working-age population working or seeking employment
Term
Unemployment
Definition
The inability of labor-force participants to find jobs
Term
Okun's Law
Definition
1 percent more unemployment results in 2 percent less output
Term
Discouraged Worker
Definition
An individual who isn't actively seeking employment but would look for or accept a job if one were available
Term
Underemployment
Definition
People seeking full time paid employment who work only part time or are employed at jobs below their capability
Term
Seasonal Unemployment
Definition
Unemployment due to seasonal changes in employment or labor supply
Term
Frictional Unemployment
Definition
Brief periods of unemployment experienced by people moving between jobs or into the labor market
Term
Structural Unemployment
Definition
Unemployment caused by a mismatch between the skills (or location) of job seekers and the requirements (or location) of available jobs
Term
Cyclical Unemployment
Definition
Unemployment attributable to a lack of job vacancies, that is, to an inadequate level of aggregate demand
Term
Full Employment
Definition
The lowest rate of unemployment compatible with price stability; variously estimated at between 4 and 6 percent
Term
Natural Rate of Unemployment
Definition
Long-term rate of unemployment determined by structural forces in labor and product markets
Term
Outsourcing
Definition
The relocation of production to foreign countries
Term
Inflation
Definition
An increase in the average level of prices of goods and services
Term
Deflation
Definition
A decrease in the average level of prices of goods and services
Term
Relative Price
Definition
The price of one good in comparison with the price of other goods
Term
Nominal Income
Definition
The amount of money income received in a given time period, measured in current dollars
Term
Real income
Definition
Income in constant dollars; nominal income adjusted for inflation
Term
Hyperinflation
Definition
Inflation rate in excess of 200 percent, lasting at least 1 year
Term
Bracket Creep
Definition
The movement of taxpayers into higher tax brackets (rates) as nominal incomes grow
Term
Consumer Price Index
Definition
A measure of changes in average price of consumer goods and services
Term
Inflation Rate
Definition
The annual percentage rate of increase in the average price level
Term
Base year
Definition
The year used for comparative analysis: the basis for indexing, for example, of price changes
Term
Item Weight
Definition
The percentage of total expenditure spent on a specific product; used to compute inflation indexes
Term
Core Inflation Rate
Definition
Changes in the CPI excluding food and energy prices
Term
GDP Deflator
Definition
A price index that refers to all goods and services included in GDP
Term
Price Stability
Definition
The absence of significant changes in the average price level; officially defined as a rate of inflation of less than 3 percent
Term
Cost Of Living Adjustment COLA
Definition
Automatic adjustments of nominal income to the rate of inflation
Term
Real Interest Rate
Definition
The nominal interest rate minus the anticipated inflation rate
Term
Adjustable rate Mortgage (ARM)
Definition
A mortgage (Home Loan) that adjusts the nominal interest rate to changing rates of inflation
Term
Business Cycle
Definition
Alternating periods of economic growth and contraction
Term
Laissez Faire
Definition
The doctrine of "leave it alone," of nonintervention by government in the market mechanism
Term
Say's Law
Definition
Supply creates its own demand. Whatever was produced would be sold. All workers who sought employment would be hired. Unsold goods and unemployed labor could emerge in this belief but both would disappear as soon as people had time to adjust to prices and wages.
Term
Recession
Definition
A decline in total output (real GDP) for two or more consecutive quarters
Term
Growth Recession
Definition
A period during which the real GDP grows, but at a rate below the longterm trend of 3 percent
Term
Aggregate Demand
Definition
The total quantity of output (real GDP) demanded at alternative price levels in a given time period, ceteris paribus
Term
Aggregate Supply
Definition
The total quantity of output (real GDP) producers are willing and able to supply at alternative price levels in a given time period, ceteris paribus
Term
Equilibrium (macro)
Definition
The combination of price level and real output that is compatible with both aggregate demand and aggregate supply
Term
Full Employment GDP
Definition
The total market value of final goods and services that could be produced in a given time period at full employment; potential GDP
Term
Fiscal Policy
Definition
The use of government taxes and spending to alter macroeconomic outcomes
Term
Monetary Policy
Definition
The use of money and credit controls to influence macroeconomic outcomes
Term
Supply-side Policy
Definition
The use of tax incentives, (de)regulation, and other mechanisms to increase the ability and willingness to produce goods and services
Term
Consumption
Definition
Expenditure by consumers on final goods and services
Term
Saving
Definition
That part of disposable income not spent on current consumption; disposable income less consumption
Term
Average Propensity to Consume APC
Definition
Total Consumption in a given time period divided by total disposable income.
APC=Total Consumption/Total Disposable Income
Term
Marginal Propensity to Consume MPC
Definition
The fraction of each additional (marginal) dollar of disposable income spent on consumption; the change in consumption divided by the change in disposable income
MPC=Change in Consumption/Change in Disposable Income
Term
Marginal Propensity to Save MPS
Definition
The fraction of each additional (marginal) dollar of disposable income not spent on consumption
MPS=1-MPC
Term
Wealth Effect
Definition
A change in consumer spending caused by a change in the value of owned assets
Term
Consumption Function
Definition
A mathematical relationship indicating the rate of desired consumer spending at various income levels
Term
Dissaving
Definition
Consumption expenditure in excess of disposable income; a negative saving flow
Term
Equilibrium GDP
Definition
The value of total output (real gdp) produced at macro equilibrium (AS=AD)
Term
Recessionary GDP Gap
Definition
The amount by which equilibrium GDP falls short of full-employment GDP
Term
Inflationary GDP Gap
Definition
The amount by which equilibrium GDP exceeds full employment GDP
Term
Demand-Pull Inflation
Definition
An increase in the price level initiated by excessive aggregate demand
Term
Gross Business Saving
Definition
Depreciation allowances and retained earnings
Term
Injection
Definition
An addition of spending to the circular flow of income
Term
Multiplier
Definition
The multiple by which an initial change in spending will alter total expenditure after an infinite number of spending cycles; 1/(1-MPC)
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