| aggregate demand | the relationship between the general price level and total spending in the economy
(See page(s) 247)
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| aggregate demand curve | the relationship between the general price level and total spending in the economy expressed on a graph
(See page(s) 247)
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| aggregate demand factors | variables that cause changes in total expenditures at all price levels
(See page(s) 248)
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| aggregate demand schedule | the relationship between the general price level and total spending in the economy expressed in a table
(See page(s) 247)
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| aggregate supply | the relationship between the general price level and real output produced in the economy
(See page(s) 254)
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| aggregate supply curve | the relationship between the general price level and real output expressed on a graph
(See page(s) 254)
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| aggregate supply factors | variables that change total output at all price levels
(See page(s) 255)
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| aggregate supply schedule | the relationship between the general price level and real output expressed in a table
(See page(s) 254)
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| business cycle | the cycle of expansions and contractions in the economy
(See page(s) 266)
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| contraction | a sustained fall in real output of an economy
(See page(s) 266)
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| decrease in aggregate demand | a decrease in total expenditures at all price levels
(See page(s) 248)
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| depression | a particularly long and harsh period of reduced real output
(See page(s) 267)
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| exchange rate | the value of one nation's currency in terms of another currency
(See page(s) 252)
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| expansion | a sustained rise in real output of an economy
(See page(s) 266)
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| foreign trade effect | with changes in the price level, expenditures on imports change in the same direction, while expenditures on exports change in the opposite direction
(See page(s) 248)
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| increase in aggregate demand | an increase in total expenditures at all price levels
(See page(s) 248)
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| inflationary gap | the amount by which equilibrium output exceeds potential output
(See page(s) 262)
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| injections | additions to an eco-nomy's income-spending stream
(See page(s) 260)
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| injections-withdrawals approach | an approach to deriving equilibrium GDP that focuses on total injections and total withdrawals
(See page(s) 274)
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| investment demand | the relationship between interest rates and investment
(See page(s) 251)
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| investment demand curve | the relationship between interest rates and investment expressed on a graph
(See page(s) 251)
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| investment demand schedule | the relationship between interest rates and investment expressed in a table
(See page(s) 251)
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| long-run decrease in aggregate supply | a decrease in total and potential output at all price levels
(See page(s) 255)
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| long-run increase in aggregate supply | an increase in total and potential output at all price levels
(See page(s) 255)
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| marginal propensity to save (MPS) | the effect on saving of a change in income
(See page(s) 273)
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| negative unplanned investment | an unintended decrease in inventories; a shortage
(See page(s) 260)
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| peak | the point in the business cycle at which real output is at its highest
(See page(s) 267)
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| positive unplanned investment | an unintended increase in inventories; a surplus
(See page(s) 260)
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| real expenditures | total spending in an economy, adjusted for changes in the general price level
(See page(s) 247)
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| real rate of return | constant-dollar extra profit provided by a project each year stated as a percentage of the project's initial cost
(See page(s) 250)
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| recession | a decline in real output that lasts for six months or more
(See page(s) 267)
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| recessionary gap | the amount by which equilibrium output falls short of potential output
(See page(s) 262)
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| short-run decrease in aggregate supply | a decrease in total output at all price levels, with no change in potential output
(See page(s) 255)
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| short-run increase in aggregate supply | an increase in total output at all price levels, with no change in potential output
(See page(s) 255)
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| spending-output approach | an approach to deriving equilibrium GDP that focuses on total expenditures and total output
(See page(s) 274)
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| trough | the point in the business cycle at which real output is at its lowest
(See page(s) 267)
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| wealth effect | with changes in the price level, the real value of households' financial assets changes, causing households to adjust their spending
(See page(s) 248)
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| withdrawals | deductions from an economy's income-spending stream
(See page(s) 260)
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