Business Cycle
Recurring increases and decreases in the level of economic activity over periods of years; consists of the peak, recession, trough, and expansion phases.
Saving
Disposable income not spent for consumer goods; equal to disposable income- personal consumption expenditures; saving is a flow.
Economic Investment
Spending for the production and accumulation of capital and additions to inventories.
Inflexible Prices
Products prices that remain in place even though supply or demand has changed; stuck prices or sticky prices
Durable Goods
A consumer goods with an expected life (use) of 3 or more years
Disposable Income
Personal income less personal taxes; income available for personal consumption expenditures and personal/saving
Infrastructure
The capital goods usually provided by the public sector for use by citizens and firms (highways, bridges, transit systems)
Peak
The point in a business cycle at which business activity has reached a temporary maximum; the economy is near or at full employment and the level of real output is at or very close to the economy's capacity
Labor Force
People 16 years old or older who are not in institutions and who are employed or are unemployed and seeking work.
Hyperinflation
A very rapid rise in the price level; an extremely high rate of inflation
Recession
A period of decline real GDP, accompanied by lower real income and higher unemployment
Unemployment
The failure to use all available economic resources to produce desired goods and services; the failure of the economy to fully employ its labor force
Expectations
The anticipation of consumers, firms, and others about future economic conditions
Flexible Prices
Product prices that freely move upward or downward when product demand or supply changes
Nondurable Goods
A consumer goods with an expected life (use) of less than 3 years
Price Index
A index number that shows how the weighted-average price of a "market basket" of goods changes over time
Rule of 70
A method for determining the number of years it will take for some measure to double, given its annual percentage increase
Economies of Scale
Reductions in the average total cost of producing a product as the firm expands the size of plant (its output) in the long run; the economies of mass production.
Trough
The point in a business cycle at which business activity has reached a temporary minimum; the point at which a recession has ended and an expansion begins
Demand-Pull Inflation
Increases in the price level (inflation) resulting from an excess of demand over output at the existing price level, caused by an increase in aggregate demand.
Depreciation
A decrease in the value of the dollar relative to another country, so a dollar buys a smaller amount of the foreign currency and therefore of foreign goods
Financial Investment
The purchase of a financial asset or real assets or the building of such assets in the expectation of financial gain.
Shocks
Sudden, unexpected changes in demand or supply
Inventory
Goods that have been produced but remain unsold
National Income Accounting
The techniques used to measure the overall production of the economy and other related variables for the nation as a whole.
Multiple Counting
wrongly including the value of intermediate goods in the gross domestic product; counting the same good or service more than once.
Personal Income
The earned and unearned income available to resource suppliers and others before the payment or personal taxes.
Economic Growth
An increase of real output (GDP) or real output per capita
Expansion
A Phase of the business cycle in which real GDP income, and employment rise
Cost-Push Inflation
Increases in the price level (inflation) resulting from an increase in resource costs and hence in per-unit production costs; inflation caused by reductions in aggregate supply.