What will you learn in Chapter 14?
Analyzing the effects of shocks, fiscal policy, and monetary policy using the IS-LM model.
What does the IS-LM model help derive?
The aggregate demand curve.
What period's causes will be discussed?
Several theories about what caused the Great Depression.
What does the IS curve represent?
Equilibrium in the goods market.
What is the equation for the IS curve?
Y = C(Y – T) + I(r) + G
What does the LM curve represent?
Money market equilibrium.
What is the equation for the LM curve?
M/P = L(r,Y)
What determines the equilibrium in the IS-LM model?
The intersection of the IS and LM curves.
What is represented by the interest rate in the IS-LM model?
Equilibrium interest rate
Market price
Supply chain
Total demand
What is represented by the interest rate in the IS-LM model?
Equilibrium interest rate
Market price
Supply chain
Total demand
What does the equilibrium level of income represent?
Consumer surplus
Profit margin
Equilibrium output, Y
Fixed costs
What does the equilibrium level of income represent?
Consumer surplus
Profit margin
Equilibrium output, Y
Fixed costs
What is the IS-LM model used for?
To analyze the effects of fiscal policy (G and/or T) and monetary policy (M).
What does the equation Y = C(Y − T) + I(r) + G represent?
The relationship between income (Y), consumption (C), investment (I), and government spending (G).
What does M/P = L(r,Y) signify in the IS-LM model?
The relationship between the real money supply (M/P) and the demand for money (L) as a function of interest rate (r) and income (Y).
In the IS-LM model, fiscal policy affects _______ and/or _______.
In the IS-LM model, fiscal policy affects G and/or T.
The equilibrium interest rate is represented by the intersection of the _______ and _______ curves.
The equilibrium interest rate is represented by the intersection of the LM and IS curves.
The IS-LM model shows the equilibrium level of income as a function of _______ and _______.
The IS-LM model shows the equilibrium level of income as a function of income and output.
What happens to the IS curve when there is an increase in government purchases?
The IS curve shifts to the right.
What is the effect on equilibrium when the IS curve shifts to the right?
Equilibrium moves from point A to point B.
How does income change with an increase in government purchases?
Income rises from Y₁ to Y₂.
What happens to the interest rate when government purchases increase?
Interest rate rises from r₁ to r₂.
The IS curve shifts to the right by _______ when government purchases increase.
The IS curve shifts to the right by ∆G/(1 - MPC) when government purchases increase.
What is the relationship between the IS curve and output when the curve shifts right?
Output decreases
Income falls
Income rises
No change
What is the relationship between the IS curve and output when the curve shifts right?
Output decreases
Income falls
Income rises
No change
What visual representation illustrates the shift in the IS curve?
See the graph showing IS and LM curves below: 
What happens to the IS curve when government purchases increase?
The IS curve shifts to the right by \( \Delta G/(1 - MPC) \).
What is the effect of increased government purchases on income?
It raises income.
What does the increase in government purchases cause?
A decrease in income
No effect on the IS curve
A rightward shift of the LM curve
A rightward shift of the IS curve
What does the increase in government purchases cause?
A decrease in income
No effect on the IS curve
A rightward shift of the LM curve
A rightward shift of the IS curve
The initial equilibrium is at point A. An increase in government purchases causes the IS curve to shift out by _______.
The initial equilibrium is at point A. An increase in government purchases causes the IS curve to shift out by AG.
The IS curve shifts to the right by _______.
The IS curve shifts to the right by \Delta G/(1 - MPC).
The graph shows the shifts in equilibrium due to the IS curve shifting to the right. 
The graph shows the shifts in equilibrium due to the IS curve shifting to the right. 
What is the result of an increase in government purchases on income?
Income increases from {{c1::Y1}} to {{c2::Y2}}.
What does the new equilibrium occur at after an increase in government purchases?
The new equilibrium occurs at point {{c1::B}}.
What happens to the interest rate as a result of higher income?
The interest rate increases from {{c1::r1}} to {{c2::r2}}.
What happens to income when there is an increase in government purchases?
Income increases from Y₁ to Y₂.
What shifts the IS curve in fiscal policy?
The IS curve shifts to the right by ∆G/(1 - MPC).
An increase in government purchases leads to a higher level of income: Y₁ increases to _______.
An increase in government purchases leads to a higher level of income: Y₁ increases to Y₂.
What happens when government purchases increase?
Government purchases increase leads to a rightward shift of the IS curve by ∆G/(1 - MPC).
What effect does an increase in interest rates have on income?
An increase in interest rates raises income, shifting it from Y₁ to Y₂.
What does the IS curve represent in fiscal policy?
The level of imports and exports
The total government spending
The relationship between interest rates and income/output
The overall inflation rate
What does the IS curve represent in fiscal policy?
The level of imports and exports
The total government spending
The relationship between interest rates and income/output
The overall inflation rate
What happens to the IS curve when there is a tax cut?
The IS curve shifts to the right.
What is the effect of a tax cut on equilibrium income?
Income rises from Y₁ to Y₂.
What is the change in the interest rate due to a tax cut?
The interest rate rises from r₁ to r₂.
How does a tax cut affect the IS curve?
Becomes vertical
Shifts to the left
No change
Shifts to the right
How does a tax cut affect the IS curve?
Becomes vertical
Shifts to the left
No change
Shifts to the right
Following a tax cut, the equilibrium moves from point A to point B on the graph, indicating a shift in income from _______ to _______.
Following a tax cut, the equilibrium moves from point A to point B on the graph, indicating a shift in income from Y₁ to Y₂.
What is represented by the graph showing LM and IS curves after a tax cut?
The graph shows shifts in equilibrium due to the IS curve moving right.
What happens to the LM curve when there is an increase in the money supply?
It shifts downward.
What is the result of the equilibrium moving from point A to point B?
Income rises from Y₁ to Y₂, and the interest rate falls from r₁ to r₂.
What happens to the interest rate when the money supply increases?
It fluctuates.
It stays the same.
It rises.
It falls.
What happens to the interest rate when the money supply increases?
It fluctuates.
It stays the same.
It rises.
It falls.
An increase in the money supply shifts the LM curve downward, resulting in income rising from _______ to _______.
An increase in the money supply shifts the LM curve downward, resulting in income rising from Y₁ to Y₂.
The movement of the equilibrium from point A to point B indicates that the interest rate falls from _______ to _______.
The movement of the equilibrium from point A to point B indicates that the interest rate falls from r₁ to r₂.
What do the LM and IS curves represent?
The LM curve represents money supply and demand, while the IS curve represents goods market equilibrium.
Where can you find a graphical representation of the impacts on the economy through LM and IS curves?

What happens to the LM curve when there is an increase in the money supply?
The LM curve shifts downward.
How does an increase in the money supply affect the interest rate?
It lowers the interest rate.
What is the effect on income/output (Y) due to an increase in the money supply?
It raises income.
What happens to the LM curve with an increase in the money supply?
The LM curve shifts downward.
What is the effect of an increase in the money supply on interest rates?
It lowers the interest rate.
What effect does lowering the interest rate have on income?
It raises income.
What are the equilibrium points mentioned?
What moves in response to an increase in the money supply?
The equilibrium remains unchanged
Interest rate increases
The LM curve shifts upward
The equilibrium moves from point A to point B
What moves in response to an increase in the money supply?
The equilibrium remains unchanged
Interest rate increases
The LM curve shifts upward
The equilibrium moves from point A to point B
What happens to the LM curve when the money supply increases?
The LM curve shifts downward.
What is the effect of increasing the money supply on interest rates?
It lowers the interest rate.
What is the relationship between money supply increase and income levels?
Income rises from Y₁ to Y₂.
What happens to the LM curve when there is an increase in money supply?
The LM curve shifts downward.
What is the effect of a downward shift in the LM curve on the interest rate?
The interest rate falls from r₁ to r₂.
How does an increase in money supply affect income?
It raises income.
What is the relationship shown in the graph regarding LM and IS curves?
Shifts in equilibrium due to the LM curve shifting down
Constant income level
Decrease in interest rates only
Increase in tax rates
What is the relationship shown in the graph regarding LM and IS curves?
Shifts in equilibrium due to the LM curve shifting down
Constant income level
Decrease in interest rates only
Increase in tax rates
An increase in the money supply causes the LM curve to shift _______ and leads to a decrease in the interest rate from _______ to _______.
An increase in the money supply causes the LM curve to shift downward and leads to a decrease in the interest rate from r₁ to r₂.
What is the role of the LM curve in terms of interest rate and income?
The LM curve illustrates the relationship between interest rate and income.
What are the key exogenous variables in monetary and fiscal policy?
How might monetary policymakers respond to fiscal policy changes?
By adjusting M (Monetary policy).
What is the effect of interactions between monetary and fiscal policy?
They may alter the impact of the original policy change.
What is the Fed's response when Congress increases G?
How does holding M constant affect AG?
It maintains the money supply despite changes in government spending.
What happens when the Fed holds r constant in response to increased G?
Interest rates are kept stable regardless of increased government spending.
What is the effect of holding Y constant when Congress increases G?
Output remains unchanged despite additional government spending.
What happens to the IS curve when G is increased?
The IS curve shifts out.
What is held constant by the Fed in this scenario?
The money supply, M.
What happens to the LM curve when the money supply is constant?
The LM curve stays the same.
What effect does the increase in G have on income and interest rates?
Both income and the interest rate rise.
What does the graph represent after the increase in G?
No change in curves
A shift in the LM curve
A shift in the IS curve
Decrease in income
What does the graph represent after the increase in G?
No change in curves
A shift in the LM curve
A shift in the IS curve
Decrease in income
An increase in G shifts the IS curve out while the Fed holds M constant, which means the LM curve stays the same. As a result, both income and the interest rate rise. The graph shows the relationship between income, output, and the curves: 
An increase in G shifts the IS curve out while the Fed holds M constant, which means the LM curve stays the same. As a result, both income and the interest rate rise. The graph shows the relationship between income, output, and the curves: 
What happens when G increases while keeping r constant?
The IS curve shifts out, leading to an increase in the money supply.
What does the Fed do to keep r constant when G increases?
The Fed increases the money supply.
How does income change if the Fed increases the money supply?
Income increases by more than if the Fed held M constant.
What does 'LM' represent in the context of this graph?
Long-run Model
Local Market
Loan Market
Liquidity Preference-Money Supply
What does 'LM' represent in the context of this graph?
Long-run Model
Local Market
Loan Market
Liquidity Preference-Money Supply
In the graph, the interest rate is represented by _______ and the income is represented by _______.
In the graph, the interest rate is represented by r and the income is represented by Y.
The shift from _______ to _______ indicates the effect of increasing the money supply on the economy.
The shift from LM1 to LM2 indicates the effect of increasing the money supply on the economy.
An increase in G shifts the IS curve out. To keep Y constant, the Fed then decreases the money supply, leading to interest rate movements represented as follows:
.
An increase in G shifts the IS curve out. To keep Y constant, the Fed then decreases the money supply, leading to interest rate movements represented as follows:
.
What does the Fed do to maintain constant Y after an increase in G?
The Fed decreases the money supply.
What happens to the IS curve when G increases?
It remains constant.
It shifts in.
It shifts out.
It becomes vertical.
What happens to the IS curve when G increases?
It remains constant.
It shifts in.
It shifts out.
It becomes vertical.
What are IS shocks in the IS-LM model?
Exogenous changes in the demand for goods and services.
What can cause a change in households' wealth in the IS model?
A stock market boom or crash.
What factors can affect business or consumer confidence?
Changes in expectations.
An example of an IS shock is a stock market boom or crash that leads to a change in households' wealth and affects ______.
An example of an IS shock is a stock market boom or crash that leads to a change in households' wealth and affects ______.
A change in business or consumer confidence can lead to ΔI and/or AC in the IS-LM model.
A change in business or consumer confidence can lead to ΔI and/or AC in the IS-LM model.
What are LM shocks in the IS-LM model?
Exogenous changes in the demand for money.
During Covid-19, what change occurred regarding cash usage?
Consumers and companies switched to more cashless methods of payments.
What was the effect of more ATMs or the internet on money demand?
It led to a reduction in money demand.
What happens to Y and r during a housing market crash that reduces consumers' wealth?
Y decreases; r decreases.
What are the effects on C, I, and the unemployment rate after a housing market crash?
What is the impact on Y and r when consumers use cash more due to identity theft?
Y decreases; r decreases.
What are the impacts on C, I, and the unemployment rate with increased cash usage due to identity theft?
What happens to the IS curve when shocks occur?
The IS curve shifts left, causing a decrease in interest rate (r) and income/output (Y).
How does consumption (C) change due to shocks?
Consumption (C) falls due to lower wealth and income.
What is the effect on investment (I) when interest rates decrease?
Investment (I) rises because interest rate (r) is lower.
According to Okun's law, what happens to unemployment (u) when income (Y) falls?
Unemployment (u) rises because income (Y) is lower.
In the IS-LM model, when the IS curve shifts left, it results in a decrease in interest rate _______ and income _______.
In the IS-LM model, when the IS curve shifts left, it results in a decrease in interest rate r and income Y.
What does a decrease in income (Y) lead to in the IS-LM model?
An increase in investment (I)
An increase in consumption (C)
An increase in unemployment (u)
A decrease in interest rate (r)
What does a decrease in income (Y) lead to in the IS-LM model?
An increase in investment (I)
An increase in consumption (C)
An increase in unemployment (u)
A decrease in interest rate (r)
What does the LM and IS graph illustrate?
The graph shows the IS curve shifting left due to shocks in the economy. 
What happens to the LM curve when shocks are analyzed using the IS-LM model?
The LM curve shifts left.
What is the effect on the interest rate (r) when the LM curve shifts left?
The interest rate (r) rises.
What is the effect on income (Y) when the LM curve shifts left?
Income (Y) falls.
What happens to consumption (C) due to lower income?
Consumption (C) falls.
How does the rising interest rate (r) affect investment (I)?
Investment (I) falls.
What happens to unemployment (u) when income (Y) falls?
Unemployment (u) rises.
According to Okun's law, when income (Y) falls, _____ rises.
According to Okun's law, when income (Y) falls, _____ rises.
What is shown in the provided graph related to the LM and IS curves?
The LM curve shifts left, increasing the interest rate and decreasing income.
How many jobs were lost in the U.S. recession of 2001?
2.1 million jobs
What was the unemployment rate increase during the 2001 recession?
From 3.9 percent to 5.8 percent
What was the GDP growth rate in 2001?
0.8 percent
What was the average annual GDP growth from 1994 to 2000?
3.9 percent
What caused the decline of the S&P 500 from August 2000 to December 2001?
The S&P 500 fell from 1,500 to 1,150 due to a stock market decline.
How did the 9/11 attacks affect economic confidence?
What was the effect of corporate accounting scandals like Enron and WorldCom?
These scandals reduced stock prices and discouraged investment.
What was the fiscal policy response during the U.S. recession of 2001?
What were some specific spending increases during the recession of 2001?
What was the impact of the monetary policy response during the U.S. recession of 2001?
It shifted the LM curve to the right.
What trend did the Three-month T-bill rate exhibit from January 2000 to April 2003?
The rate generally declined over time.
The monetary policy response during the U.S. recession of 2001 shifted the _______ to the _______.
The monetary policy response during the U.S. recession of 2001 shifted the LM curve to the right.
What direction did the Three-month T-bill rate move from January 2000 to April 2003?
It fluctuated widely.
It declined over time.
It remained constant.
It increased over time.
What direction did the Three-month T-bill rate move from January 2000 to April 2003?
It fluctuated widely.
It declined over time.
It remained constant.
It increased over time.
What visual representation illustrates the decline of the Three-month T-bill rate?

What interest rate does the Fed primarily target?
The federal funds rate.
What do media reports often equate with Fed policy changes?
Changes in market interest rates.
How does the Fed influence the federal funds rate?
By changing the money supply.
What happens to other short-term rates when the federal funds rate changes?
They typically move with the federal funds rate.
What is the Fed's primary policy instrument?
The Fed targets interest rates.
Why does the Fed target interest rates?
What does the IS-LM model analyze?
The short run when the price level is assumed to be fixed.
What happens when there is a change in P?
It shifts LM and affects Y.
What captures the relationship between P and Y?
The aggregate demand curve.
What does the IS-LM model illustrate?
The IS-LM model illustrates the relationship between interest rates and income/output.
How does an increase in price level (P) affect the LM curve?
A higher price level (P) shifts the LM curve upward.
What does the Aggregate Demand (AD) curve represent?
The Aggregate Demand curve summarizes the relationship between price level (P) and income (Y).
What happens to income (Y) when the LM curve shifts upward due to a higher price level (P)?
Decreases
Increases
Fluctuates
Stays the same
What happens to income (Y) when the LM curve shifts upward due to a higher price level (P)?
Decreases
Increases
Fluctuates
Stays the same
What happens to the LM curve during expansionary monetary policy?
The LM curve shifts to the right, lowering interest rates.
What is the effect of expansionary monetary policy on income (Y)?
Income (Y) increases at each value of price level (P).
How does the AD curve react to expansionary monetary policy?
The AD curve shifts to the right, indicating increased aggregate demand.
What is a primary goal of expansionary monetary policy?
Decrease income
Reduce inflation
Increase interest rates
Increase aggregate demand
What is a primary goal of expansionary monetary policy?
Decrease income
Reduce inflation
Increase interest rates
Increase aggregate demand
In expansionary monetary policy, a decrease in the interest rate leads to an increase in investment (\(I\)) and subsequently income (\(Y\)): \(↑M → LM ext{ shifts right} → ↓r → ↑I → ↑Y\).
In expansionary monetary policy, a decrease in the interest rate leads to an increase in investment (\(I\)) and subsequently income (\(Y\)): \(↑M → LM ext{ shifts right} → ↓r → ↑I → ↑Y\).
What does ↑M represent in monetary policy?
It represents an increase in the money supply.
What is depicted in the IS-LM model related to expansionary monetary policy?
A shift of the LM curve to the right lowers interest rates and increases income.
What does the rightward shift of the AD curve indicate?
It indicates an increase in aggregate demand at any given price level.
What happens to aggregate demand during an expansionary fiscal policy?
Aggregate demand increases due to fiscal policy measures like increasing government spending (↑G) or decreasing taxes (↓T).
In expansionary fiscal policy, increasing government spending (↑G) leads to a shift in the IS curve to the right, which results in an increase in Y at each value of P.
In expansionary fiscal policy, increasing government spending (↑G) leads to a shift in the IS curve to the right, which results in an increase in Y at each value of P.
What is the graphical representation of expansionary fiscal policy?
It is illustrated by shifts in the IS curve and the AD curve to the right, increasing income.
What is the primary outcome of shifting the IS curve in an expansionary fiscal policy?
The primary outcome is an increase in income (Y) at each price level (P).
What do the two graphs of the IS-LM model illustrate during an expansionary policy?
They illustrate the IS curve shifting to the right, indicating increased income and aggregate demand.
What drives the economy from the short run to the long run?
The gradual adjustment of prices.
In short-run equilibrium, what happens if Y > Ȳ?
Price level is unchanged.
Price level will remain constant.
Price level will rise.
Price level will fall.
In short-run equilibrium, what happens if Y > Ȳ?
Price level is unchanged.
Price level will remain constant.
Price level will rise.
Price level will fall.
In short-run equilibrium, what happens if Y < Ȳ?
Price level is unchanged.
Price level will fall.
Price level will remain constant.
Price level will rise.
In short-run equilibrium, what happens if Y < Ȳ?
Price level is unchanged.
Price level will fall.
Price level will remain constant.
Price level will rise.
In short-run equilibrium, what happens if Y = Ȳ?
Price level is unchanged.
Price level will remain constant.
Price level will rise.
Price level will fall.
In short-run equilibrium, what happens if Y = Ȳ?
Price level is unchanged.
Price level will remain constant.
Price level will rise.
Price level will fall.
What happens to the price level when Y < Y?
The price level falls from P₁ to P₂.
What equilibrium does the economy move from in the IS-LM model?
From a short-run (Keynesian) equilibrium at K to a long-run (Classical) equilibrium at C.
In the Aggregate Supply and Demand model, what causes the shift in curves?
Falling price levels lead to shifts in the SRAS and AD curves.
What curve shifts when the price level falls?
P curve
SRAS curve
AD curve
IS curve
LM curve
What curve shifts when the price level falls?
P curve
SRAS curve
AD curve
IS curve
LM curve
In the IS-LM model, as Y moves from K to C, the LM and SRAS curves shift due to a fall in price levels. The short-run equilibrium is at K and the long-run equilibrium is at _______.
In the IS-LM model, as Y moves from K to C, the LM and SRAS curves shift due to a fall in price levels. The short-run equilibrium is at K and the long-run equilibrium is at C.
What do the IS-LM and AD-AS models illustrate?
They illustrate the interaction between interest rates, income, and price levels in an economy.
What significant economic event began in the 1930s?
The Great Depression
The Great Depression of the 1930s is often compared to the Great Recession of _______.
The Great Depression of the 1930s is often compared to the Great Recession of 2008-2009.
Which period is considered one of the worst economic downturns in US history?
Great Depression
Great Recession
Dot-com bubble
Financial Crisis of 2008
Which period is considered one of the worst economic downturns in US history?
Great Depression
Great Recession
Dot-com bubble
Financial Crisis of 2008
How was industrial production during the Great Depression affected compared to peak levels?
It significantly decreased, as shown in the graph.
What does the graph provided illustrate?
A comparison of industrial production during the Great Depression and the Great Recession.
What does the spending hypothesis assert about the Depression?
The Depression was largely due to an exogenous fall in the demand for goods and services—a leftward shift of the IS curve.
The spending hypothesis states that the Depression was due to an exogenous fall in the demand for goods and services, causing a _______ of the IS curve.
The spending hypothesis states that the Depression was due to an exogenous fall in the demand for goods and services, causing a leftward shift of the IS curve.
What evidence supports the spending hypothesis?
Output and interest rates both fell, consistent with a leftward shift of the IS curve.
What event reduced consumption in 1929?
The stock market crash.
By how much did the S&P 500 fall from October 1929 to December 1929?
17 percent.
What was the percentage drop in the S&P 500 from October 1929 to December 1933?
71 percent.
What led to a drop in investment in the 1920s?
Correction after overbuilding.
What made it harder to obtain financing for investment during the Great Depression?
Widespread bank failures.
What caused the Depression according to the Money Hypothesis?
A huge fall in the money supply.
By what percentage did M1 fall during 1929–1933?
By 25 percent.
What happened to P during 1929–1931?
It fell even more than M1, causing M/P to rise slightly.
What happened to nominal interest rates during the Depression?
They fell, contrary to what a leftward LM shift would cause.
What percentage did prices fall during the Great Depression (1929–1933)?
What was probably the cause of deflation during the Great Depression?
What role did money play during the Great Depression?
The severity of the Great Depression was due to a huge _______.
The severity of the Great Depression was due to a huge deflation.
In what ways does a _______ affect the economy?
In what ways does a deflation affect the economy?
The stabilizing effects of deflation can be summarized as: ↓P → ↑(M/P) → LM shifts right → ↑Y.
The stabilizing effects of deflation can be summarized as: ↓P → ↑(M/P) → LM shifts right → ↑Y.
The Pigou effect states that ↓P leads to ↑(M/P), which causes consumers' wealth to ↑, increasing C and shifting the IS curve right, leading to ↑Y.
The Pigou effect states that ↓P leads to ↑(M/P), which causes consumers' wealth to ↑, increasing C and shifting the IS curve right, leading to ↑Y.
What happens to expected deflation?
It causes sinking prices and rising interest rates.
What is the effect of rising interest rates on investment?
Investment decreases because \(I = I(r)\).
What happens to planned expenditure in expected deflation?
Planned expenditure and aggregate demand decrease.
What is the overall effect of expected deflation on income and output?
Income and output decrease.
What is the theory that describes the destabilizing effects of unexpected deflation?
Debt-deflation theory
Unexpected deflation transfers purchasing power from _______ to _______.
Unexpected deflation transfers purchasing power from borrowers to lenders.
What happens to borrowers' and lenders' spending when deflation occurs?
If borrowers' propensity to spend is larger than lenders', then aggregate spending falls, causing the IS curve to shift _______ and _______ to fall.
If borrowers' propensity to spend is larger than lenders', then aggregate spending falls, causing the IS curve to shift left and Y to fall.
Why is another depression unlikely?
What role does federal deposit insurance play?
It makes widespread bank failures very unlikely.
How do automatic stabilizers work during economic downturns?
They make fiscal policy expansionary.
What was the unemployment rate in 2009 during the financial crisis?
Approximately 10 percent.
What was a major cause of the 2008-2009 financial crisis?
In 2009, real GDP fell, and the unemployment rate approached _______.
In 2009, real GDP fell, and the unemployment rate approached 10 percent.
Key factors in the financial crisis included the _______ and the _______.
Key factors in the financial crisis included the subprime mortgage crisis and the bursting of the house price bubble.
What was a consequence of the financial crisis?
Rising employment rates
Falling stock prices
Increasing consumer spending
Stable housing market
What was a consequence of the financial crisis?
Rising employment rates
Falling stock prices
Increasing consumer spending
Stable housing market
What was the amount of the American Recovery and Reinvestment Act (ARRA) passed in early 2009?
$787 billion
What happened to government spending between 2010-2014 after the ARRA?
Decreased due to austerity measures (over a $300 billion drop)
What was the federal funds rate lowered to during the 2008-2009 crisis?
Zero
What nontraditional monetary policies were used during the crisis?
What is a liquidity trap?
A situation where interest rates fall to zero, making conventional monetary policy ineffective.
What is another term for liquidity trap?
Zero lower bound.
What does forward guidance in monetary policy entail?
Announcing future monetary actions, such as maintaining low interest rates until labor market conditions improve.
What is quantitative easing (QE)?
Buying of long-term government debt, mortgage-backed securities, corporate debt, and local debt.
What does the IS-LM model represent?
A theory of aggregate demand.
What are the exogenous factors in the IS-LM model?
What are the endogenous factors in the IS-LM model?
What does the IS curve represent?
Goods market equilibrium.
What does the LM curve represent?
Money market equilibrium.
What does the AD curve show?
The relationship between price (P) and the equilibrium income (Y) in the IS-LM model.
Why does the AD curve have a negative slope?
Because an increase in P leads to a decrease in (M/P), which raises r, lowers I, and decreases Y.
What effect does expansionary fiscal policy have on the AD curve?
It shifts the IS curve right, raises income, and shifts the AD curve right.
What effect does expansionary monetary policy have on the AD curve?
It shifts the LM curve right, raises income, and shifts the AD curve right.
What causes shifts in the AD curve?
Shocks in the IS or LM curves can shift the AD curve.
What will you learn in Chapter 14?
Analyzing the effects of shocks, fiscal policy, and monetary policy using the IS-LM model.
What is represented by the interest rate in the IS-LM model?
Equilibrium interest rate
Market price
Total demand
Supply chain
What does the equilibrium level of income represent?
Equilibrium output, Y
Profit margin
Fixed costs
Consumer surplus
What is the IS-LM model used for?
To analyze the effects of fiscal policy (G and/or T) and monetary policy (M).
What does the equation Y = C(Y − T) + I(r) + G represent?
The relationship between income (Y), consumption (C), investment (I), and government spending (G).
What does M/P = L(r,Y) signify in the IS-LM model?
The relationship between the real money supply (M/P) and the demand for money (L) as a function of interest rate (r) and income (Y).
What happens to the IS curve when there is an increase in government purchases?
The IS curve shifts to the right.
What is the effect on equilibrium when the IS curve shifts to the right?
Equilibrium moves from point A to point B.
What happens to the interest rate when government purchases increase?
Interest rate rises from r₁ to r₂.
What is the relationship between the IS curve and output when the curve shifts right?
Income rises
Output decreases
No change
Income falls
What visual representation illustrates the shift in the IS curve?
See the graph showing IS and LM curves below: 
What happens to the IS curve when government purchases increase?
The IS curve shifts to the right by \( \Delta G/(1 - MPC) \).
What does the increase in government purchases cause?
No effect on the IS curve
A rightward shift of the IS curve
A decrease in income
A rightward shift of the LM curve
The initial equilibrium is at point A. An increase in government purchases causes the IS curve to shift out by AG.
What is the result of an increase in government purchases on income?
Income increases from {{c1::Y1}} to {{c2::Y2}}.
What does the new equilibrium occur at after an increase in government purchases?
The new equilibrium occurs at point {{c1::B}}.
What happens to the interest rate as a result of higher income?
The interest rate increases from {{c1::r1}} to {{c2::r2}}.
What happens to income when there is an increase in government purchases?
Income increases from Y₁ to Y₂.
What happens when government purchases increase?
Government purchases increase leads to a rightward shift of the IS curve by ∆G/(1 - MPC).
What effect does an increase in interest rates have on income?
An increase in interest rates raises income, shifting it from Y₁ to Y₂.
What does the IS curve represent in fiscal policy?
The overall inflation rate
The total government spending
The level of imports and exports
The relationship between interest rates and income/output
How does a tax cut affect the IS curve?
Shifts to the right
Becomes vertical
Shifts to the left
No change
Following a tax cut, the equilibrium moves from point A to point B on the graph, indicating a shift in income from Y₁ to Y₂.
What is represented by the graph showing LM and IS curves after a tax cut?
The graph shows shifts in equilibrium due to the IS curve moving right.
What is the result of the equilibrium moving from point A to point B?
Income rises from Y₁ to Y₂, and the interest rate falls from r₁ to r₂.
What happens to the interest rate when the money supply increases?
It falls.
It rises.
It stays the same.
It fluctuates.
An increase in the money supply shifts the LM curve downward, resulting in income rising from Y₁ to Y₂.
The movement of the equilibrium from point A to point B indicates that the interest rate falls from r₁ to r₂.
What do the LM and IS curves represent?
The LM curve represents money supply and demand, while the IS curve represents goods market equilibrium.
Where can you find a graphical representation of the impacts on the economy through LM and IS curves?

What happens to the LM curve when there is an increase in the money supply?
The LM curve shifts downward.
What is the effect of an increase in the money supply on interest rates?
It lowers the interest rate.
What moves in response to an increase in the money supply?
The LM curve shifts upward
Interest rate increases
The equilibrium moves from point A to point B
The equilibrium remains unchanged
What is the relationship between money supply increase and income levels?
Income rises from Y₁ to Y₂.
What happens to the LM curve when there is an increase in money supply?
The LM curve shifts downward.
What is the effect of a downward shift in the LM curve on the interest rate?
The interest rate falls from r₁ to r₂.
What is the relationship shown in the graph regarding LM and IS curves?
Constant income level
Decrease in interest rates only
Increase in tax rates
Shifts in equilibrium due to the LM curve shifting down
An increase in the money supply causes the LM curve to shift downward and leads to a decrease in the interest rate from r₁ to r₂.
What is the role of the LM curve in terms of interest rate and income?
The LM curve illustrates the relationship between interest rate and income.
What are the key exogenous variables in monetary and fiscal policy?
What is the effect of interactions between monetary and fiscal policy?
They may alter the impact of the original policy change.
What is the Fed's response when Congress increases G?
How does holding M constant affect AG?
It maintains the money supply despite changes in government spending.
What happens when the Fed holds r constant in response to increased G?
Interest rates are kept stable regardless of increased government spending.
What is the effect of holding Y constant when Congress increases G?
Output remains unchanged despite additional government spending.
What effect does the increase in G have on income and interest rates?
Both income and the interest rate rise.
What does the graph represent after the increase in G?
A shift in the IS curve
No change in curves
A shift in the LM curve
Decrease in income
An increase in G shifts the IS curve out while the Fed holds M constant, which means the LM curve stays the same. As a result, both income and the interest rate rise. The graph shows the relationship between income, output, and the curves: 
What happens when G increases while keeping r constant?
The IS curve shifts out, leading to an increase in the money supply.
How does income change if the Fed increases the money supply?
Income increases by more than if the Fed held M constant.
What does 'LM' represent in the context of this graph?
Loan Market
Liquidity Preference-Money Supply
Long-run Model
Local Market
An increase in G shifts the IS curve out. To keep Y constant, the Fed then decreases the money supply, leading to interest rate movements represented as follows:
.
What does the Fed do to maintain constant Y after an increase in G?
The Fed decreases the money supply.
What happens to the IS curve when G increases?
It becomes vertical.
It shifts out.
It shifts in.
It remains constant.
An example of an IS shock is a stock market boom or crash that leads to a change in households' wealth and affects ______.
During Covid-19, what change occurred regarding cash usage?
Consumers and companies switched to more cashless methods of payments.
What was the effect of more ATMs or the internet on money demand?
It led to a reduction in money demand.
What happens to Y and r during a housing market crash that reduces consumers' wealth?
Y decreases; r decreases.
What are the effects on C, I, and the unemployment rate after a housing market crash?
What is the impact on Y and r when consumers use cash more due to identity theft?
Y decreases; r decreases.
What are the impacts on C, I, and the unemployment rate with increased cash usage due to identity theft?
What happens to the IS curve when shocks occur?
The IS curve shifts left, causing a decrease in interest rate (r) and income/output (Y).
How does consumption (C) change due to shocks?
Consumption (C) falls due to lower wealth and income.
What is the effect on investment (I) when interest rates decrease?
Investment (I) rises because interest rate (r) is lower.
According to Okun's law, what happens to unemployment (u) when income (Y) falls?
Unemployment (u) rises because income (Y) is lower.
In the IS-LM model, when the IS curve shifts left, it results in a decrease in interest rate r and income Y.
What does a decrease in income (Y) lead to in the IS-LM model?
An increase in investment (I)
A decrease in interest rate (r)
An increase in consumption (C)
An increase in unemployment (u)
What does the LM and IS graph illustrate?
The graph shows the IS curve shifting left due to shocks in the economy. 
What happens to the LM curve when shocks are analyzed using the IS-LM model?
The LM curve shifts left.
What is the effect on the interest rate (r) when the LM curve shifts left?
The interest rate (r) rises.
What is shown in the provided graph related to the LM and IS curves?
The LM curve shifts left, increasing the interest rate and decreasing income.
What caused the decline of the S&P 500 from August 2000 to December 2001?
The S&P 500 fell from 1,500 to 1,150 due to a stock market decline.
How did the 9/11 attacks affect economic confidence?
What was the effect of corporate accounting scandals like Enron and WorldCom?
These scandals reduced stock prices and discouraged investment.
What was the fiscal policy response during the U.S. recession of 2001?
What were some specific spending increases during the recession of 2001?
What was the impact of the monetary policy response during the U.S. recession of 2001?
It shifted the LM curve to the right.
What trend did the Three-month T-bill rate exhibit from January 2000 to April 2003?
The rate generally declined over time.
What direction did the Three-month T-bill rate move from January 2000 to April 2003?
It declined over time.
It increased over time.
It fluctuated widely.
It remained constant.
What happens to other short-term rates when the federal funds rate changes?
They typically move with the federal funds rate.
Why does the Fed target interest rates?
What does the IS-LM model illustrate?
The IS-LM model illustrates the relationship between interest rates and income/output.
How does an increase in price level (P) affect the LM curve?
A higher price level (P) shifts the LM curve upward.
What does the Aggregate Demand (AD) curve represent?
The Aggregate Demand curve summarizes the relationship between price level (P) and income (Y).
What happens to income (Y) when the LM curve shifts upward due to a higher price level (P)?
Stays the same
Increases
Fluctuates
Decreases
What happens to the LM curve during expansionary monetary policy?
The LM curve shifts to the right, lowering interest rates.
What is the effect of expansionary monetary policy on income (Y)?
Income (Y) increases at each value of price level (P).
How does the AD curve react to expansionary monetary policy?
The AD curve shifts to the right, indicating increased aggregate demand.
What is a primary goal of expansionary monetary policy?
Increase aggregate demand
Decrease income
Increase interest rates
Reduce inflation
In expansionary monetary policy, a decrease in the interest rate leads to an increase in investment (\(I\)) and subsequently income (\(Y\)): \(↑M → LM ext{ shifts right} → ↓r → ↑I → ↑Y\).
What is depicted in the IS-LM model related to expansionary monetary policy?
A shift of the LM curve to the right lowers interest rates and increases income.
What does the rightward shift of the AD curve indicate?
It indicates an increase in aggregate demand at any given price level.
What happens to aggregate demand during an expansionary fiscal policy?
Aggregate demand increases due to fiscal policy measures like increasing government spending (↑G) or decreasing taxes (↓T).
In expansionary fiscal policy, increasing government spending (↑G) leads to a shift in the IS curve to the right, which results in an increase in Y at each value of P.
What is the graphical representation of expansionary fiscal policy?
It is illustrated by shifts in the IS curve and the AD curve to the right, increasing income.
What is the primary outcome of shifting the IS curve in an expansionary fiscal policy?
The primary outcome is an increase in income (Y) at each price level (P).
What do the two graphs of the IS-LM model illustrate during an expansionary policy?
They illustrate the IS curve shifting to the right, indicating increased income and aggregate demand.
In short-run equilibrium, what happens if Y > Ȳ?
Price level will fall.
Price level will rise.
Price level is unchanged.
Price level will remain constant.
In short-run equilibrium, what happens if Y < Ȳ?
Price level will remain constant.
Price level will rise.
Price level will fall.
Price level is unchanged.
In short-run equilibrium, what happens if Y = Ȳ?
Price level will remain constant.
Price level will fall.
Price level is unchanged.
Price level will rise.
What equilibrium does the economy move from in the IS-LM model?
From a short-run (Keynesian) equilibrium at K to a long-run (Classical) equilibrium at C.
In the Aggregate Supply and Demand model, what causes the shift in curves?
Falling price levels lead to shifts in the SRAS and AD curves.
In the IS-LM model, as Y moves from K to C, the LM and SRAS curves shift due to a fall in price levels. The short-run equilibrium is at K and the long-run equilibrium is at C.
What do the IS-LM and AD-AS models illustrate?
They illustrate the interaction between interest rates, income, and price levels in an economy.
Which period is considered one of the worst economic downturns in US history?
Great Depression
Great Recession
Dot-com bubble
Financial Crisis of 2008
How was industrial production during the Great Depression affected compared to peak levels?
It significantly decreased, as shown in the graph.
What does the graph provided illustrate?
A comparison of industrial production during the Great Depression and the Great Recession.
What does the spending hypothesis assert about the Depression?
The Depression was largely due to an exogenous fall in the demand for goods and services—a leftward shift of the IS curve.
The spending hypothesis states that the Depression was due to an exogenous fall in the demand for goods and services, causing a leftward shift of the IS curve.
What evidence supports the spending hypothesis?
Output and interest rates both fell, consistent with a leftward shift of the IS curve.
What made it harder to obtain financing for investment during the Great Depression?
Widespread bank failures.
What happened to nominal interest rates during the Depression?
They fell, contrary to what a leftward LM shift would cause.
What role did money play during the Great Depression?
The Pigou effect states that ↓P leads to ↑(M/P), which causes consumers' wealth to ↑, increasing C and shifting the IS curve right, leading to ↑Y.
What is the effect of rising interest rates on investment?
Investment decreases because \(I = I(r)\).
What happens to planned expenditure in expected deflation?
Planned expenditure and aggregate demand decrease.
What is the theory that describes the destabilizing effects of unexpected deflation?
Debt-deflation theory
What happens to borrowers' and lenders' spending when deflation occurs?
If borrowers' propensity to spend is larger than lenders', then aggregate spending falls, causing the IS curve to shift left and Y to fall.
Why is another depression unlikely?
What was a major cause of the 2008-2009 financial crisis?
Key factors in the financial crisis included the subprime mortgage crisis and the bursting of the house price bubble.
What was a consequence of the financial crisis?
Falling stock prices
Stable housing market
Increasing consumer spending
Rising employment rates
What was the amount of the American Recovery and Reinvestment Act (ARRA) passed in early 2009?
$787 billion
What happened to government spending between 2010-2014 after the ARRA?
Decreased due to austerity measures (over a $300 billion drop)
What nontraditional monetary policies were used during the crisis?
What is a liquidity trap?
A situation where interest rates fall to zero, making conventional monetary policy ineffective.
What does forward guidance in monetary policy entail?
Announcing future monetary actions, such as maintaining low interest rates until labor market conditions improve.
What is quantitative easing (QE)?
Buying of long-term government debt, mortgage-backed securities, corporate debt, and local debt.
What does the AD curve show?
The relationship between price (P) and the equilibrium income (Y) in the IS-LM model.
Why does the AD curve have a negative slope?
Because an increase in P leads to a decrease in (M/P), which raises r, lowers I, and decreases Y.
What effect does expansionary fiscal policy have on the AD curve?
It shifts the IS curve right, raises income, and shifts the AD curve right.
What effect does expansionary monetary policy have on the AD curve?
It shifts the LM curve right, raises income, and shifts the AD curve right.
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