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45 degree line
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a reference line used to show the relationship of consumption = disposable income
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Relationship between income/consumption and income/savings
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A direct (positive) relationship
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Aggregate demand-aggregate supply model
(AD-AS model)
(AD-AS model)
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A flexible-price model that enables analysis of simultaneous changes of real GDP and the price level
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Aggregate demand curve
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Shows the level of real output that the economy demands at each price level
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Aggregate demand downsloping
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Caused by the real-balances effect, the interest-rate effect, and the foreign purchases effect
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Real-balances effect
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Indicates that inflation reduces the real value or purchasing power of fixed-value financial assets held by households, causing cutbacks in consumer spending
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Interest-rate effect
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Means that with a specific supply of money, a higher price level increases the demand for money, thereby raising the interest rate and reducing investment purchaces
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Foreign purchases effect
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Suggests that an increase in one country's price level relative to the price levels in other countries reduces the net export component of that nation's aggregate demand
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Determinants of aggregate demand
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Consist of spending by domestic consumers, by business, government, and foreign buyers
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Changes in aggregate demand involve two components
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1.) A change in one of the determinants of aggregate demand that directly changes the amount of real GDP demanded
2.) A multiplier effect that produces a greater ultimate change in aggregate demand than the initiating change in spending
2.) A multiplier effect that produces a greater ultimate change in aggregate demand than the initiating change in spending
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Factors that shift the aggregate demand curve
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1.) Change in consumer spending
2.) Change in investment spending
3.) Change in government spending
4.) Change in net export spending
2.) Change in investment spending
3.) Change in government spending
4.) Change in net export spending
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Changes in consumer spending consist of
answer
1.) Consumer wealth
2.) Consumer expectations
3.) Household borrowing
4.) Taxes
2.) Consumer expectations
3.) Household borrowing
4.) Taxes
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Changes in investment spending consist of
answer
1.) Interest rates
2.) Expected returns
2.) Expected returns
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Expected returns
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1.) Expected future business conditions
2.) Technology
3.) Degree of excess capacity
4.) Business taxes
2.) Technology
3.) Degree of excess capacity
4.) Business taxes
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Changes in net export spending consists of
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1.) National income abroad
2.) Exchange rates
2.) Exchange rates
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What determines the extent of the shift of the aggregate demand curve?
answer
The size of the initial change in spending and the strength of the economy's mulitplier
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Aggregate supply
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A schedule or curve showing the relationship between a nation's price level and the amount of real domestic output that firms in the economy produce
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Aggregate supply curve
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Shows the levels of real output that business will produce at various possible price levels
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The slope of the aggregate supply curve depends upon...
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The flexibility of input and output prices
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Aggregate supply curves are categorized into three horizons
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1.) Immediate-short-run aggregate supply curve
2.) Short-run aggregate supply curve
3.) Long-run aggregate supply curve
2.) Short-run aggregate supply curve
3.) Long-run aggregate supply curve
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Immediate-short-run aggregate supply curve
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Assumes that both input prices and output prices are fixed. It's a horizontal line at the current price level.
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Short-run aggregate supply curve
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Assumes nominal wages and other input prices remain fixed while output prices vary. It's generally upsloping because prices firms myst receive rise as real output expands.
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Long-run aggregate supply curve
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Assumes that nominal wages and other input prices fully match any change in the price level. The curve is vertical at the full-employment output level.
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Why does the short-run aggregate supply curve serve as the core aggregate supply curve for analyzing the business cycle and economic policy?
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It's the only version of aggregate supply that can handle simultaneous changes in the price level and real output
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Unless specified, all references to "aggregate supply" refer to...
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The short-run aggregate supply or the short-run aggregate supply curve
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Per-unit production cost =
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total input cost / units of output
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Determinants of aggregate supply
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1.) Input prices
2.) Productivity
3.) Legal-institutional environment
2.) Productivity
3.) Legal-institutional environment
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A change in any determinant of aggregate supply will change...
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Per-unit production costs at each level of output and therefore will shift the aggregate supply curve
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Input prices
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A major ingredient of per-unit production costs and therefore a key determinant of aggregate supply. Can be either domestic or imported.
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Imported Resource Prices
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1.) A decrease in the price of imported resources increases U.S. aggregate supply
2.) An increase in their price reduces U.S. aggregate supply
2.) An increase in their price reduces U.S. aggregate supply
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Domestic Resource Prices
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1.) Increases/decreases in wages affect per-unit production costs
2.) The aggregate supply curve shifts when the prices of land and capital inputs change
2.) The aggregate supply curve shifts when the prices of land and capital inputs change
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Productivity
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A measure of the relationship between a nation's level of real output and the amount of resources used to produce that output.
A measure of average real output or of real output per unit of input.
A measure of average real output or of real output per unit of input.
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Productivity =
answer
total output / total inputs
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An increase in productivity...
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1.) Enables the economy to obtain more real output from its limited resources
2.) Affects aggregate supply by reducing the per-unit cost of output
2.) Affects aggregate supply by reducing the per-unit cost of output
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Legal-Institution Environment (two types of changes)
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1.) Changes in taxes and subsidies
2.) Changes in the extent of regulation
2.) Changes in the extent of regulation
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Higher business taxes
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Increase per-unit costs and reduce short-run aggregate supply. Shifts aggregate supply to the left.
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A business subsidy
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A payment or tax break by government to producers. Lowers production costs and increases short-run aggregate supply. Shifts aggregate supply curve to the right.
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More government regulation
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Causes an increase in per-unit production costs and shifts the aggregate supply curve to the left.
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Intersection of the aggregate demand and aggregate supply curves
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Determines an economy's equilibrium price level and real GDP
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Equilibrium price level
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The price level at which the aggregate demand curve intersects the aggregate supply curve
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Equilibrium real output
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The real output at which the aggregate demand curve intersects the aggregate supply curve
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At the intersection of the aggregate demand and aggregate supply curves...
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The quantity of real GDP demanded = the quantity of real GDP supplied
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Increases in aggregate demand to the right of the full-employment output
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Cause inflation and positive GDP gaps (actual GDP exceeds potential GDP)
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An upsloping aggregate supply curve does what to the multiplier effect?
answer
Weakens it because a portion of the increase in aggregate demand is dissipated in inflation
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Decreases in the aggregate demand to the left of the full-employment output
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Cause recession, negative GDP gaps, and cyclical unemployment
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Why may the price level not fall during recessions?
answer
Because of the downward inflexible prices and wages
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Causes of inflexible prices
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1.) fear of price wars
2.) menu costs
3.) wage contracts
4.) efficiency wages
5.) minimum wages
2.) menu costs
3.) wage contracts
4.) efficiency wages
5.) minimum wages
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What happens when the price level is fixed?
answer
Changes in aggregate demand produce full-strength multiplier effects
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Leftward shift of the aggregate supply curve
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Reflect increase in per-unit production costs and cause cost-push inflation, with accompanying negative GDP gaps
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Rightward shifts of the aggregate supply curve
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Caused by large improvements in productivity, help explain the simultaneous achievement of full employment, economic growth, and price stability
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The recession of 2001
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Ended the expansionary phase of the business cycle
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Council of Economic Advisers (CEA)
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A group of 3 economists appointed by the president to provide expertise and assistance on economic matters
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Expansionary fiscal policy
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Policy that consists of government spending increases, tax reductions, or both, designed to increase aggregate demand and therefore raise real GDP
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3 options government uses to stimulate the economy
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1.) increase government spending
2.) reduce taxes
3.) use some combination of the two
2.) reduce taxes
3.) use some combination of the two
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Budget deficit
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Government spending in excess of tax revenues
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Contractionary fiscal policy
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Policy that consists of government spending reductions, tax increases, or both, designed to decrease aggregate demand and therefore lower/eliminate inflation
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Budget surplus
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Tax revenues in excess of government spending
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Economists who believe there are many unmet social and infrastructure needs
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Usually recommend that government spending be increased during recessions and during inflation, recommend tax increases
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Economists who think that the government is too large and inefficien
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Usually recommend tax cuts during recessions and cuts in government spending during times of inflation
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Built-in stabilizer
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Anything that increases the governments budget deficit (or reduces its budget surplus) during a recession and increases its budget surplus (or reduces its budget deficit) during an expansion without requiring explicit action by policymakers
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During recession...
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The federal budget automatically moves toward a stabilizing deficit
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During expansion...
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The federal budget automatically moves toward and anti-inflationary surplus
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Built-in stability
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Lessens, but does not fully correct, undesired changes in real GDP
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Cyclical deficit
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A federal budget deficit that is caused by a recession and the consequent decline in tax revenues
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Cyclically adjusted budget
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Measures what the federal budget deficit or surplus would have been under existing tax rates and government spending levels if the economy had achieved its full-employment level of GDP
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Changes in the cyclical-budget deficit or surplus
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Provide meaningful information as to whether the government's fiscal policy is expansionary, neutral, or contractionary
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Changes in the actual budget deficit or surplus
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Do not provide meaningful information since such deficits and surpluses can include cyclical deficits or surpluses
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Progressive tax system
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The average tax rate rises with GDP
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Proportional tax system
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The average tax rate remains constant as GDP rises
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Regressive tax system
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The average tax rate falls as GDP rises
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Average tax rate =
answer
tax revenue / GDP
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What did the Bush administration and Congress chose to do in 2001?
answer
They chose to reduce marginal tax rates and phase out the federal estate tax
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2001 recession
answer
1.) federal spending for the war on terrorism sky rocketed
2.) federal budget = $128 billion
3.) Deficit of $158 billion in 2002
2.) federal budget = $128 billion
3.) Deficit of $158 billion in 2002
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What did the Bush administration and Congress do in 2003 to counteract the recession?
answer
Accelerated the tax reductions scheduled under the 2001 tax law and cut tax rates on capital gains and dividends to stimulate the sluggish economy
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What were the results in 2007?
answer
The economy had reached its full employment level of output
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What type of fiscal policy did the U.S. government begin to implement after the recession of 2007-2009?
answer
A highly expansionary fiscal policy
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Problems that complicate the enactment and implementation of fiscal policy
answer
1.) recognition lag
2.) administrative lag
3.) operational lag
2.) administrative lag
3.) operational lag
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Recognition lag
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The time between the beginning of recession or inflation and the certain awareness that it is actually happening. Arrises because the economy does not move smoothly through the business cycle.
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Administrative lag
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The time between the need for fiscal action is recognized and the action is taken
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Operational lag
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Occurs between the time fiscal action is taken and the time that action affects output, employment, or price level
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Political business cycle
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Fluctuations in the economy caused by the alleged tendency of Congress to destabilize the economy by reducing taxes and increasing government expenditures after elections
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Crowding-out effect
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An expansionary fiscal policy (deficit spending) may increase the interest rate and reduce investment spending, thereby weakening or canceling the stimulus of the expansionary policy
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Public debt
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The total accumulation of all past federal government deficits and surpluses and consists of Treasury bills, Treasury notes, Treasury bonds, and U.S. savings bonds
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U.S. government securities
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Financial instruments issued by the federal government to borrow money to finance expenditures that exceed tax revenues
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External public debt
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The portion of the public debt owed to foreign citizens, firms, and institutions
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What can be used as money?
answer
Anything that is accepted as
1.) a medium of exchange
2.) a unit of monetary account
3.) a store of value
1.) a medium of exchange
2.) a unit of monetary account
3.) a store of value
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Medium of exchange
answer
Any item sellers generally accept and buyers generally use to pay for a good or service; a convenient means of exchanging goods and services without engaging in barter
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Unit of account
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A standard unit in which prices can be stated and the value of goods and services can be compared, one of the three functions of money
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Store of value
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An asset set aside for future use; one of the three functions of money
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Liquidity
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The ease with which an asset can be converted quickly into cash with little or no loss of purchasing power
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Two major definitions of the money supply
answer
1.) M1
2.) M2
2.) M2
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M1
answer
Consists of currency and checkable deposits
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M2
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Consists of M1 plus savings deposits
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What do savings deposits include (when referring to M2)?
answer
Includes money market deposit accounts, small-denominated time deposits, and money market mutual fund balances held by individuals
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What does money represent?
answer
The debts of government and institutions offering checkable deposits (commercial banks and thrift institutions)
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Why does money have value?
answer
Because of the goods, services, and resources it will command in the market
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What is depended upon to maintain the purchasing power of money?
answer
The government's effectiveness in managing the money supply
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The U.S. banking system consists of
answer
1.) the Board of Governors of the Federal Reserve System
2.) the 12 Federal Reserve Banks
3.) About 6000 commercial banks and 8500 thrift institutions
2.) the 12 Federal Reserve Banks
3.) About 6000 commercial banks and 8500 thrift institutions
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The Board of Directors (Federal Reserve Banks)
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The basic policymaking body for the entire banking system
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12 Federal Reserve Banks
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Make the directives of the Board and the Federal Open Market Committee effective
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Types of Federal Reserve Banks
answer
1.) quasi-public banks
2.) central banks
3.) bankers' banks
2.) central banks
3.) bankers' banks
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Major functions of the Fed
answer
1.) issue currency
2.) set reserve requirements and holding reserves
3.) lend money to financial institutions and serve as the lender of last resort in national financial emergencies
4.) provide for check collection
5.) acts as the fiscal agent
6.) supervising banks
7.) controlling the money supply
2.) set reserve requirements and holding reserves
3.) lend money to financial institutions and serve as the lender of last resort in national financial emergencies
4.) provide for check collection
5.) acts as the fiscal agent
6.) supervising banks
7.) controlling the money supply
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What is the Fed?
answer
It's an independent institution, controlled neither by the president of the United States nor by Congress
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What does the Fed's independence shield them from?
answer
Political pressure and allows it to raise and lower interest rates as needed to promote full employment, price stability, and economic growth
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Central Bank
answer
The 12 Federal Reserve Banks accommodate the geographic size and economic diversity of the United States
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Quasi-Public Banks
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Banks that blend private ownership and public control
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Bankers' Banks
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Perform the same functions for banks and thrifts as those institutions perform for the public
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Term Auction Facility
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Used by the Fed to auction off loans to banks and thrifts
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Subprime mortgage loans
answer
High-interest-rate loans given to home buyers with higher-than-average credit risk
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Mortgage-backed securities
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Bonds back by mortgage payments
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Securitization
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The process of slicing up and bundling groups of loans, mortgages, corporate bonds, or other financial debts into distinct new securities
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Factors of the financial crisis of 2007-2008
answer
1.) unprecedented rise in mortgage loan defaults
2.) near-collapse of several major financial institutions
3.) generalized freezing up of credit availability
2.) near-collapse of several major financial institutions
3.) generalized freezing up of credit availability
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What caused the financial crisis (2007-2008)?
answer
1.) bad mortgage loans together with declining real estate prices
2.) underestimation of risk by holders of mortgage-backed securities and faulty insurance securities designed to protect holders of mortgage-backed securities from risk of default
2.) underestimation of risk by holders of mortgage-backed securities and faulty insurance securities designed to protect holders of mortgage-backed securities from risk of default
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What did Congress pass in 2008?
answer
Troubled Asset Relief Program (TARP)
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Troubled Asset Relief Program (TARP)
answer
Authorized the U.S. Treasury to spend up to $700 billion to make emergency loans and guarantees to failing financial firms
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What aided the Treasury rescue/bailout?
answer
The lender-of-last-resort loans provided by the Federal Reserves to financial institutions through a series of newly established Fed facilities
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What intensifies the moral hazard problem?
answer
The TARP loans and the Fed's lender-of-last-resort actions
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Moral hazard problem
answer
The tendency of financial investors and financial firms to take on greater risk when they assume they are at least partially insured against loss
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Main categories of the U.S. financial services industry
answer
1.) commercial banks
2.) thrifts
3.) insurance companies
4.) mutual fund companies
5.) pension funds
6.) securities firms
7.) investment banks
2.) thrifts
3.) insurance companies
4.) mutual fund companies
5.) pension funds
6.) securities firms
7.) investment banks
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What did Congress pass in 2010 in response to the financial crisis?
answer
Wall Street Reform and Consumer Financial Protection Act
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Commercial banks
answer
State and national banks that provide checking and savings accounts, sell certificates of deposit, and make loans
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Thrifts
answer
Savings and loan associations, mutual saving banks, and credit unions that offer checking and savings accounts and make loans
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Insurance companies
answer
Firms that offer policies through which individuals pay premiums to insure against some loss, say, disability, or death
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Mutual fund companies
answer
Firms that pool deposits by customers to purchase stocks or bonds
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Pension funds
answer
For-profit or non-profit institutions that collect savings from workers throughout their working years and then buy stocks and bonds with the proceeds and make monthly retirement payments
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Securities firms
answer
Firms that offer security advice and buy and sell stocks and bonds for clients
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Investment banks
answer
Firms that help corporations and governments raise money by selling stocks and bonds
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Why is the U.S. banking system called a "fractional reserve" system?
answer
Only a fraction of checkable deposits are backed by reserves of currency in bank vaults or deposits at the central bank
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How can the operation of a commercial bank be understood?
answer
Through its balance sheet
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Balance sheet
answer
A statement of assets and claims on those assets
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Assets =
answer
Liabilities + net worth
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How individual banks create money through balance sheets (steps)
answer
1.) creating a bank
2.) acquiring property and equipment
3.) accepting deposits
4.) depositing reserves in a federal reserve bank
5.) clearing a check drawn against the Bank
--------------------------------------------------------
6.) granting a loan
7.) buying government securities
2.) acquiring property and equipment
3.) accepting deposits
4.) depositing reserves in a federal reserve bank
5.) clearing a check drawn against the Bank
--------------------------------------------------------
6.) granting a loan
7.) buying government securities
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Required reserves
answer
An amount of funds equal to a specified percentage of the bank's own deposit liabilites
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Reserve ratio
answer
The ratio of the required reserves the commercial bank must keep to the bank's own outstanding checkable-deposit liabilities
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Reserve ratio (equation)
answer
Reserve ratio = commercial bank's required reserves / commercial bank's checkable-deposit liabilities
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How to find excess reserves
answer
1.) bank's checkable-deposit liabilities * reserve ratio = required reserves
2.) actual reserves - required reserves
2.) actual reserves - required reserves
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Granting a loan and buying government securities explain what?
answer
1.) how a commercial bank can literally create money by making loans
2.) how banks create money by purchasing government bonds from the public
2.) how banks create money by purchasing government bonds from the public
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Commercial banking system as a whole can lend....
answer
By a multiple of its excess reserves because the system as a whole cannot lose reserves
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Individual banks can lose...
answer
Reserves to other banks in the system
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Monetary multiplier
answer
Defines the relationship between any new excess reserves in the banking system and the magnified creation of new checkable-deposit money by banks as a group
question
Monetary multiplier =
answer
1 / required reserve ratio
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Maximum checkable-deposit creations =
answer
excess reserves * monetary multiplier
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The multiple credit expansion process (is reversible/is not reversible).
answer
Is reversible