Macroeconomics Quiz: The Aggregate Demand Aggregate Supply Model
20 questions · exam conditions
0:00
The Aggregate Demand Aggregate Supply ModelQuestion 1 of 20

Which of the following would cause a movement upward along the short-run aggregate supply (SRAS) curve, leading to a new short-run equilibrium?

An increase in the expected price level.
An increase in government spending.
A decrease in the price of a critical raw material like oil.
A discovery of new technology that increases productivity.
← Back to quizzes

Macroeconomics Quiz

Macroeconomics Quiz: The Aggregate Demand Aggregate Supply Model

Practice The Aggregate Demand Aggregate Supply Model in Macroeconomics with focused quiz questions that help you check what you know, review explanations, and build confidence with test-style prompts.

What this quiz covers

This quiz focuses on The Aggregate Demand Aggregate Supply Model, giving you a quick way to practice the rules, question types, and explanations that matter most for Macroeconomics.

How to use this quiz

Try each quiz question before looking at the correct answer. Use the explanations to review missed ideas, then come back to similar questions until the pattern feels familiar.

All questions

Question 1

Which of the following would cause a movement upward along the short-run aggregate supply (SRAS) curve, leading to a new short-run equilibrium?

  1. An increase in the expected price level.
  2. An increase in government spending. (correct answer)
  3. A decrease in the price of a critical raw material like oil.
  4. A discovery of new technology that increases productivity.
Explanation: A movement along the SRAS curve is caused by a change in the overall price level, which in turn is caused by a shift in the aggregate demand curve. An increase in government spending is an expansionary fiscal policy that shifts the AD curve to the right. This increase in aggregate demand leads to a higher equilibrium price level and a higher equilibrium quantity of output. The economy moves to a new equilibrium point that is upward and to the right along the existing SRAS curve. Options A, C, and D would all cause the SRAS curve itself to shift.

Question 2

Suppose an economy is in long-run equilibrium when a positive demand shock occurs. In the immediate short run, before any price or wage adjustments, what happens to real GDP, and why might this level of output be unsustainable?

  1. Real GDP decreases because higher demand immediately raises costs and reduces profit margins for producers
  2. Real GDP remains constant because prices adjust immediately to clear all markets without changing quantities
  3. Real GDP increases because firms increase output by utilizing excess capacity, but this is unsustainable because it exceeds potential output (correct answer)
  4. Real GDP increases because lower interest rates stimulate investment, and this is sustainable if productivity also increases
Explanation: When analyzing demand shocks, you need to distinguish between immediate short-run effects (before price adjustments) and longer-term equilibrium effects. A positive demand shock means consumers suddenly want to buy more goods and services at existing price levels. In the immediate short run, before prices and wages can adjust, firms respond to increased demand by ramping up production using their existing capacity. They can temporarily produce above their normal long-run sustainable level by having workers work overtime, running machinery longer hours, or drawing down inventories. This increased production means real GDP rises above its potential level. However, this situation is unsustainable because the economy is now producing beyond its potential output - the maximum level it can maintain in the long run without creating inflationary pressures. Eventually, resource constraints will force adjustments through higher wages and prices. Answer A is incorrect because higher demand initially benefits producers with more sales revenue, not higher costs. Answer B reflects classical economics where prices adjust instantly, but the question specifically asks about the period "before any price adjustments." Answer D confuses the mechanism - the demand shock itself increases GDP, not lower interest rates, and producing above potential output is inherently unsustainable regardless of productivity changes. Remember this key pattern: positive demand shocks initially boost real GDP above potential in the short run, but this creates unsustainable pressure that eventually leads to inflation as the economy adjusts back toward long-run equilibrium.

Question 3

In an economy operating at full employment, if import prices rise substantially due to exchange rate depreciation, and the government responds with expansionary monetary policy to prevent unemployment from rising, what is the most likely outcome for inflation expectations and the effectiveness of future monetary policy?

  1. Inflation expectations remain anchored, making future monetary policy more effective at controlling unemployment
  2. Inflation expectations become more volatile, but monetary policy effectiveness remains unchanged in all scenarios
  3. Inflation expectations fall, making future expansionary monetary policy more effective at stimulating growth
  4. Inflation expectations rise, making future contractionary monetary policy less effective at reducing inflation (correct answer)
Explanation: This question tests your understanding of how supply shocks interact with monetary policy responses to create inflation expectations spirals. When you see scenarios combining external price shocks with policy responses, focus on how these interactions affect future policy credibility. Starting with an economy at full employment, rising import prices from currency depreciation creates cost-push inflation. The government's expansionary monetary response to prevent unemployment essentially validates the initial price shock. This sends a clear signal to markets that policymakers prioritize employment over price stability, causing rational economic actors to expect higher future inflation. Once inflation expectations rise, they become self-fulfilling as workers demand higher wages and firms raise prices preemptively. This makes future contractionary monetary policy less effective because the central bank must work harder to convince markets it's serious about fighting inflation. Higher interest rates become necessary to achieve the same disinflationary effect, making the correct answer D. Option A incorrectly assumes expectations remain stable despite clear policy signals favoring employment over price stability. Option B misses that monetary policy effectiveness definitely changes when expectations shift—this is a core principle of modern macroeconomics. Option C gets the direction completely wrong; validating inflation through expansionary policy raises rather than lowers expectations. Remember this pattern: when governments accommodate supply shocks with expansionary policy, they trade short-term employment stability for long-term inflation credibility problems. Always trace through both the immediate policy effect and its impact on future expectations when analyzing monetary policy scenarios.

Question 4

An economy is initially in long-run equilibrium. If the central bank unexpectedly increases the money supply while simultaneously the government reduces spending by an equal amount in real terms, what is the most likely short-run effect on the price level and real GDP?

  1. Price level increases, real GDP increases
  2. Price level increases, real GDP remains unchanged (correct answer)
  3. Price level remains unchanged, real GDP decreases
  4. Price level decreases, real GDP remains unchanged
Explanation: The increase in money supply shifts AD right (expansionary monetary policy), while the decrease in government spending shifts AD left (contractionary fiscal policy). If the effects are equal in magnitude, real GDP returns to its original level, but the increase in money supply creates inflationary pressure, raising the price level. Choice A incorrectly assumes GDP increases. Choice C incorrectly assumes no price change. Choice D incorrectly suggests deflation.

Question 5

In the AD-AS model, if an economy is in short-run equilibrium below full employment and policymakers take no action, what adjustment mechanism will eventually restore long-run equilibrium, and what will be the characteristics of the new equilibrium?

  1. Wages and prices will fall, shifting SRAS right until full employment is restored at a lower price level (correct answer)
  2. Aggregate demand will automatically increase due to wealth effects, restoring full employment at the original price level
  3. The long-run aggregate supply curve will shift left to meet the current equilibrium point
  4. Interest rates will rise automatically, stimulating investment and shifting aggregate demand right to full employment
Explanation: When unemployment exists, downward pressure on wages reduces production costs, shifting SRAS right over time. This continues until the economy reaches full employment at a lower price level than the original short-run equilibrium. Choice B incorrectly describes automatic AD increases. Choice C incorrectly suggests LRAS shifts (potential output doesn't change). Choice D incorrectly suggests interest rates rise during recession (they typically fall).

Question 6

Suppose an economy experiences a negative supply shock that shifts the short-run aggregate supply curve leftward. If the government responds with expansionary fiscal policy of sufficient magnitude to restore the original level of real GDP, what will be the net effect compared to the initial equilibrium?

  1. Higher price level and same unemployment rate as before the shock (correct answer)
  2. Same price level and lower unemployment rate than before the shock
  3. Higher price level and higher unemployment rate than before the shock
  4. Lower price level and same unemployment rate as before the shock
Explanation: A negative supply shock shifts SRAS left, causing higher prices and lower output. Expansionary fiscal policy shifts AD right. If policy restores original GDP, the economy returns to full employment (same unemployment rate), but at a higher price level due to the combined effect of the supply shock and demand stimulus. Choice B incorrectly suggests lower unemployment. Choice C incorrectly suggests higher unemployment persists. Choice D incorrectly suggests a lower price level.

Question 7

Consider an economy where aggregate demand intersects short-run aggregate supply above the level of potential output. If the central bank wants to achieve a 'soft landing' (returning to potential output without causing a recession), what policy approach would be most appropriate?

  1. Implement contractionary monetary policy rapidly to quickly reduce inflationary pressures
  2. Implement expansionary fiscal policy to accommodate the higher price level permanently
  3. Increase government spending to shift the long-run aggregate supply curve rightward
  4. Gradually reduce the money supply growth rate to slow but not reverse the rightward shift of AD (correct answer)
Explanation: When you encounter a scenario where aggregate demand exceeds potential output, you're dealing with an inflationary gap where the economy is "running hot." A soft landing means reducing this excess demand gradually to avoid triggering a recession while bringing output back to its sustainable level. The key insight is that gradual policy adjustments allow the economy to cool down smoothly. Answer D correctly identifies that slowly reducing money supply growth will moderately decrease aggregate demand over time. This approach lets wages and prices adjust gradually downward without creating the sharp contraction that leads to recession. Think of it like gently applying brakes rather than slamming them. Option A creates the opposite problem—rapid contractionary policy would shift aggregate demand too far left too quickly, likely overshooting and causing a recession. This is exactly what a soft landing tries to avoid. Option B misunderstands the goal entirely. Expansionary fiscal policy would worsen the inflationary gap by pushing aggregate demand even further right, making the overheating problem worse rather than solving it. Option C confuses short-run stabilization with long-run growth policy. While increasing long-run aggregate supply is generally beneficial, government spending increases aggregate demand in the short run, again worsening the inflationary gap. Plus, supply-side effects take much longer to materialize than the immediate demand effects. Remember this pattern: when the economy is above potential output, you need contractionary policy, but the speed matters crucially. Gradual contraction allows for soft landings, while rapid contraction risks recession.

Question 8

An economy is initially in long-run equilibrium. A widespread technological innovation significantly increases labor productivity. Simultaneously, consumer confidence falls sharply due to political uncertainty, reducing autonomous consumption. In the new short-run equilibrium, which of the following outcomes is certain?

  1. The price level will be lower. (correct answer)
  2. The level of real GDP will be higher.
  3. The level of real GDP will be lower.
  4. The unemployment rate will be higher.
Explanation: The technological innovation increases productivity, shifting both the short-run aggregate supply (SRAS) and long-run aggregate supply (LRAS) curves to the right. This puts downward pressure on the price level and upward pressure on real GDP. The fall in consumer confidence shifts the aggregate demand (AD) curve to the left, which puts downward pressure on both the price level and real GDP. Since both shocks put downward pressure on the price level, the price level will certainly be lower. However, the effect on real GDP is ambiguous; it depends on the relative magnitudes of the rightward SRAS shift and the leftward AD shift.

Question 9

Assume an economy is operating at a short-run equilibrium where the actual unemployment rate is below the natural rate of unemployment. If the government and central bank do not intervene, what is the most likely sequence of events that will lead the economy to a new long-run equilibrium?

  1. Nominal wages will rise, shifting the aggregate demand curve to the left and reducing output.
  2. The tight labor market will lead to a fall in nominal wages, shifting the short-run aggregate supply curve to the right.
  3. Inflationary expectations will fall, causing the short-run aggregate supply curve to shift to the right.
  4. Upward pressure on nominal wages will shift the short-run aggregate supply curve to the left, increasing the price level. (correct answer)
Explanation: When the actual unemployment rate is below the natural rate, the economy is in an inflationary gap (output is above potential). The labor market is tight, meaning there are more job openings than available workers. This puts upward pressure on nominal wages. As firms' labor costs rise, the short-run aggregate supply (SRAS) curve shifts to the left. This process continues until output returns to its potential level, but at a higher price level. This is the economy's natural self-correction mechanism from an inflationary gap.

Question 10

Suppose an economy is in a recessionary gap. The central bank announces a credible and effective policy of quantitative easing to be implemented immediately. How would this policy affect the AD-AS model in the short run, and what is the primary transmission mechanism?

  1. It shifts SRAS to the right by lowering firms' borrowing costs for capital.
  2. It shifts AD to the right as lower interest rates stimulate investment and interest-sensitive consumption. (correct answer)
  3. It shifts LRAS to the right by encouraging long-term investment in technology.
  4. It shifts AD to the left as expectations of future inflation reduce current consumption.
Explanation: Quantitative easing is a form of expansionary monetary policy. The central bank purchases assets, which increases the money supply and lowers long-term interest rates. Lower interest rates reduce the cost of borrowing for both firms and households. This stimulates investment spending (e.g., on new machinery and factories) and interest-sensitive consumption (e.g., on cars and houses). The increase in consumption and investment shifts the aggregate demand (AD) curve to the right, helping to close the recessionary gap.

Question 11

An economy is in long-run equilibrium. The government passes a law that significantly increases the bargaining power of labor unions, leading to widespread wage increases that are not matched by productivity gains. Which of the following describes the most likely short-run equilibrium and the resulting economic condition?

  1. A rightward shift of the AD curve, leading to an inflationary gap.
  2. A leftward shift of the SRAS curve, leading to stagflation. (correct answer)
  3. A leftward shift of the LRAS curve, leading to a lower potential output.
  4. A rightward shift of the SRAS curve, leading to a lower price level.
Explanation: Widespread wage increases that are not justified by productivity gains represent an increase in the cost of production for firms across the economy. This is a negative supply shock. It causes the short-run aggregate supply (SRAS) curve to shift to the left. The new short-run equilibrium occurs at the intersection of the original AD curve and the new, left-shifted SRAS curve. This results in a lower level of real GDP and a higher price level—a condition known as stagflation.

Question 12

An economy's short-run equilibrium is characterized by a price level of 120 and a real GDP of $5 trillion. Its long-run equilibrium is at a potential output of $5.5 trillion. Which of the following policy combinations would be most effective in moving the economy to its long-run equilibrium?

  1. Increasing taxes and decreasing the money supply.
  2. Decreasing government spending and selling government bonds.
  3. Increasing government spending and increasing the money supply. (correct answer)
  4. Decreasing taxes and selling government bonds.
Explanation: The economy is in a recessionary gap because its current output (5trillion)isbelowitspotentialoutput(5 trillion) is below its potential output (5.5 trillion). To close this gap, policymakers need to implement expansionary policies to shift the aggregate demand curve to the right. Increasing government spending is an expansionary fiscal policy. Increasing the money supply (typically through buying government bonds, not selling them) is an expansionary monetary policy. The combination of these two policies would provide a strong stimulus to aggregate demand, helping to increase real GDP towards its potential level.

Question 13

An economy is in a short-run equilibrium with an inflationary gap. If the government raises income taxes to reduce this gap, what is the expected effect on the price level, real GDP, and the unemployment rate in the new short-run equilibrium?

  1. Price level decreases, real GDP decreases, and unemployment rate increases. (correct answer)
  2. Price level increases, real GDP decreases, and unemployment rate increases.
  3. Price level decreases, real GDP increases, and unemployment rate decreases.
  4. Price level increases, real GDP increases, and unemployment rate decreases.
Explanation: An inflationary gap means real GDP is above potential and the unemployment rate is below the natural rate. Raising income taxes is a contractionary fiscal policy. It reduces households' disposable income, which leads to a decrease in consumption spending. This decrease in consumption shifts the aggregate demand (AD) curve to the left. The new short-run equilibrium occurs at the intersection of the new AD curve and the existing SRAS curve. This results in a lower price level and a lower level of real GDP. As real GDP falls, firms need fewer workers, so the unemployment rate will rise (moving back toward the natural rate).

Question 14

An economy is in long-run equilibrium when it experiences a positive demand shock due to a speculative stock market bubble. Which of the following describes the short-run equilibrium and the long-run equilibrium that will result if no policy action is taken?

  1. Short-run: lower unemployment and higher inflation. Long-run: return to the natural rate of unemployment at the original price level.
  2. Short-run: higher unemployment and higher inflation. Long-run: a permanently higher price level and lower potential output.
  3. Short-run: lower unemployment and higher inflation. Long-run: return to the natural rate of unemployment at a permanently higher price level. (correct answer)
  4. Short-run: no change in unemployment, only higher inflation. Long-run: return to the original price level.
Explanation: A positive demand shock (e.g., from a stock market bubble increasing household wealth) shifts the AD curve to the right. In the short run, the economy moves along the existing SRAS curve to a new equilibrium with higher real GDP and a higher price level. Higher GDP means the unemployment rate falls below the natural rate. This is an inflationary gap. In the long run, the tight labor market leads to rising nominal wages. This increase in input costs shifts the SRAS curve to the left. The SRAS curve will continue to shift left until the economy returns to its potential output (and the natural rate of unemployment), but this new long-run equilibrium will be at a permanently higher price level.

Question 15

An economy is in a short-run equilibrium where the price level is higher than expected. Over time, as expectations adjust, how will the AD-AS model change to reflect the move to a new long-run equilibrium?

  1. The AD curve will shift to the left as consumers reduce spending.
  2. The SRAS curve will shift to the left as nominal wages are renegotiated upward. (correct answer)
  3. The AD curve will shift to the right as firms increase investment.
  4. The SRAS curve will shift to the right as productivity increases.
Explanation: A price level that is higher than expected implies that the economy is in an inflationary gap (output is above potential). Initially, workers and firms were operating based on lower price expectations. As they realize the actual price level is higher, they will adjust their expectations. Workers will demand higher nominal wages to compensate for the higher cost of living and to restore their real wages. As firms' labor costs increase, their profitability at any given price level decreases. This causes the short-run aggregate supply (SRAS) curve to shift to the left, moving the economy back toward its long-run potential output at an even higher price level.

Question 16

Assume the government reduces its budget deficit by decreasing its purchases of goods and services, while the central bank takes no action. In the short-run, this will necessarily lead to a new equilibrium with:

  1. A lower price level and lower output. (correct answer)
  2. A lower price level and higher output.
  3. A higher price level and lower output.
  4. A higher price level and higher output.
Explanation: Decreasing government purchases is a form of contractionary fiscal policy. Government spending is a direct component of aggregate demand (AD = C + I + G + NX). A reduction in G will shift the AD curve to the left. With no change in the short-run aggregate supply (SRAS) curve, the new short-run equilibrium will occur at the intersection of the new, left-shifted AD curve and the original SRAS curve. This point will correspond to both a lower overall price level and a lower level of real GDP (output).

Question 17

Suppose an economy's long-run aggregate supply curve shifts to the right. For the economy to reach a new long-run equilibrium at the new, higher potential output AND maintain a stable price level, which of the following must occur?

  1. Nominal wages must increase significantly to boost consumption.
  2. The short-run aggregate supply curve must shift to the left.
  3. Aggregate demand must decrease to offset the inflationary pressure.
  4. Aggregate demand must increase by the same proportion as long-run aggregate supply. (correct answer)
Explanation: This question tests your understanding of how economies achieve long-run equilibrium when productive capacity changes. When you see the long-run aggregate supply (LRAS) curve shifting right, think about what's needed to reach the new potential output without creating price instability. A rightward shift in LRAS means the economy can now produce more goods and services at every price level—this represents economic growth from factors like improved technology, increased capital, or population growth. To reach this new higher potential output while maintaining stable prices, total spending in the economy must increase proportionally to match the increased productive capacity. Answer D is correct because when aggregate demand increases by the same proportion as LRAS, the economy moves to a new long-run equilibrium at higher output with no net change in the price level. The increased spending allows firms to sell their higher production levels without having to cut prices. Answer A is wrong because while higher wages might boost consumption, "significantly" increasing nominal wages would likely cause cost-push inflation, destabilizing prices. Answer B is incorrect because a leftward shift in short-run aggregate supply would reduce output and increase prices—exactly the opposite of what's needed. Answer C misunderstands the situation entirely: there's no initial inflationary pressure from increased productive capacity, and decreasing aggregate demand would prevent the economy from reaching its new potential output. Remember: when productive capacity increases, spending must increase proportionally to achieve stable growth. Think of it as needing more buyers for more goods.

Question 18

Consider an economy in long-run equilibrium. A temporary, adverse supply shock, such as a major hurricane disrupting supply chains, hits the economy. If policymakers choose to use expansionary fiscal policy to accommodate this shock and restore full employment, what will be the outcome compared to the initial long-run equilibrium?

  1. Output and the price level will both return to their original levels.
  2. Output will be restored to its potential level, but at a permanently higher price level. (correct answer)
  3. The price level will be restored to its original level, but at a permanently lower level of output.
  4. Both output and the price level will be permanently lower.
Explanation: An adverse supply shock shifts the SRAS curve to the left, causing stagflation (lower output, higher price level). To restore full employment, policymakers would need to use expansionary fiscal policy (e.g., increased government spending) to shift the AD curve to the right. This policy would shift AD to intersect the new, left-shifted SRAS curve at the economy's original potential output level (LRAS). While this restores output, it does so by pushing the price level even higher than the level caused by the initial supply shock. Therefore, the result is the original level of output at a permanently higher price level.

Question 19

Following a period of high inflation, a central bank credibly commits to a contractionary monetary policy. At the same time, international investors become more optimistic about the country's economy, leading to a significant currency appreciation. What is the combined effect on the short-run equilibrium price level and real GDP?

  1. Real GDP will increase, and the effect on the price level is ambiguous.
  2. Real GDP will decrease, and the effect on the price level is ambiguous.
  3. The price level will decrease, and the effect on real GDP is ambiguous.
  4. Both the price level and real GDP will decrease. (correct answer)
Explanation: Contractionary monetary policy is designed to reduce aggregate demand by raising interest rates, which dampens investment and consumption. This shifts the AD curve to the left. A significant currency appreciation makes a country's exports more expensive for foreigners and its imports cheaper for domestic consumers. This leads to a decrease in net exports, which also shifts the AD curve to the left. Since both events cause a leftward shift in the AD curve, their combined effect is a definite decrease in both the short-run equilibrium price level and real GDP.

Question 20

Suppose an economy is in a long-run equilibrium where the public holds a large amount of government debt. If households and firms come to expect that the government will be forced to monetize this debt in the future, what is the most likely immediate effect on the short-run equilibrium in the AD-AS model?

  1. The SRAS curve shifts left due to expectations of future inflation, leading to stagflation. (correct answer)
  2. The AD curve shifts left as people save more in anticipation of future economic instability.
  3. The LRAS curve shifts left as the expected inflation distorts investment decisions.
  4. There is no immediate effect, as expectations do not affect the model until policy changes.
Explanation: Monetizing the debt means the central bank prints money to pay off government debt, which is highly inflationary. If people expect this to happen, they will expect high inflation in the future. Workers will demand higher nominal wages today to protect their future real purchasing power. Firms, anticipating higher costs, will raise their prices. This increase in inflationary expectations and nominal wages shifts the short-run aggregate supply (SRAS) curve to the left, even before any policy action is taken. This leads to an immediate short-run equilibrium with higher prices and lower output (stagflation).