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3.5 Demand management (demand-side policies) — monetary policy

Practice exam-style IB Economics questions for Demand management (demand-side policies) — monetary policy, aligned with the syllabus and grouped by topic.

Verified by Rishabh
Verified by Rishabh
Paper
Difficulty
Status
Level
Question 1
SL • Paper 1
Hard
Non Calculator
SL • Paper 1
Hard
Non Calculator

A

Explain how expansionary monetary policy may close a recessionary gap.

[10]
B

Using real-world examples, evaluate the effectiveness of expansionary monetary policy in reducing unemployment.

[15]
Question 2
SL • Paper 1
Hard
Non Calculator
SL • Paper 1
Hard
Non Calculator

A

Explain how contractionary monetary policy may close an inflationary gap.

[10]
B

Using real-world examples, discuss the effectiveness of contractionary monetary policy in achieving a low and stable rate of inflation.

[15]
Question 3
SL • Paper 1
Hard
Non Calculator
SL • Paper 1
Hard
Non Calculator

A

Explain how a decrease in the real interest rate may affect consumption, investment and aggregate demand.

[10]
B

Using real-world examples, evaluate the view that lowering interest rates will always promote economic growth.

[15]
Question 4
SL • Paper 2
Hard
Calculator Permitted
SL • Paper 2
Hard
Calculator Permitted

Inflation targeting in Bellara

Read the extracts and answer the questions that follow.

Text A — A change in policy

  1. Bellara's central bank has an inflation target of 3%. After several years of above-target inflation, it raised the policy rate by two percentage points. The central bank stated that restoring credibility could prevent workers and firms from expecting continuously rising inflation.

  2. Higher commercial-bank rates have reduced purchases of cars and housing. Several firms have cancelled investment projects because expected returns are now below borrowing costs.

Text B — Competing objectives

  1. Inflation has started to fall, but economic growth has slowed and unemployment has increased. The government is concerned about the trade-off between price stability and employment in the short run.

  2. Exporters argue that higher interest rates have attracted financial inflows and appreciated Bellara's currency. This has lowered imported input prices but reduced export competitiveness.

Table 1 — CPI and deposit interest rate

Bellara's consumer price index and nominal deposit interest rate.

YearCPI indexNominal deposit interest rate / % per year
2024150.0Not provided
2025157.56.5

Table 2 — Inflation target and selected indicators

Inflation-target setting and selected indicators in Bellara following monetary tightening.

IndicatorBefore tighteningLatest value
Inflation target (setting) / %3.03.0
Unemployment rate / %5.06.8
Real GDP growth / %3.21.0
Currency appreciation / %0.08.0
A
I.

Define the term central bank indicated in bold (Text A, paragraph 1).

[2]
II.

Define the term trade-off indicated in bold (Text B, paragraph 1).

[2]
B
I.

Using Table 1, calculate Bellara's inflation rate in 2025. Show your working.

[3]
II.

Using Table 1 and your answer to (b)(i), calculate Bellara's real deposit interest rate in 2025.

[2]
C

Using an AD/AS diagram, explain how Bellara's higher interest rates may move inflation towards its target (Text A).

[4]
D

Using an exchange-rate diagram, explain how higher interest rates may have appreciated Bellara's currency (Text B, paragraph 2).

[4]
E

Using an AD/AS diagram, explain how Bellara's monetary tightening may increase cyclical unemployment (Text B, paragraph 1).

[4]
F

Using a PPC diagram, explain how a prolonged reduction in investment could affect Bellara's long-term productive capacity (Text A, paragraph 2).

[4]
G

Using information from the texts/data and your knowledge of economics, evaluate Bellara's inflation-targeting policy.

[15]

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Question 5
SL • Paper 2
Hard
Calculator Permitted
SL • Paper 2
Hard
Calculator Permitted

Stabilizing Montara's business cycle

Read the extracts and answer the questions that follow.

Text A — From boom to slowdown

  1. Montara experienced rapid growth after a surge in consumer spending. Output rose above its sustainable level and labour shortages developed. The central bank raised interest rates to close the inflationary gap.

  2. Six months later, export demand unexpectedly declined. Some economists warned that the earlier rate increases could deepen the slowdown because monetary policy operates with time lags.

Text B — Policy response

  1. The central bank stated that monetary policy is flexible because rates can be adjusted without passing a new government budget. It paused further increases and announced that rates could be reduced if demand continued to weaken.

  2. Businesses welcome predictable inflation but report that expensive credit has delayed investment. The construction sector has already reduced employment.

Table 1 — CPI and business-loan rate

Montara CPI and business-loan interest rate

YearCPINominal business-loan rate / % per year
2024125.0—
2025131.258.5

Table 2 — Business-cycle indicators

Table 2: Business-cycle indicators for Montara

IndicatorValue
Real GDP relative to potential output+2.0%+2.0\%
Change in export demand−6.0%-6.0\%
Change in construction employment−4.0%-4.0\%
Inflation target2.5%2.5\%
Time from rate rises to export fall6 months
Monetary policy transmissionTime lags
A
I.

Define the term inflationary gap indicated in bold (Text A, paragraph 1).

[2]
II.

Define the term flexible indicated in bold (Text B, paragraph 1) in relation to monetary policy.

[2]
B
I.

Using Table 1, calculate Montara's inflation rate in 2025. Show your working.

[3]
II.

Using Table 1 and your answer to (b)(i), calculate Montara's real business-loan interest rate in 2025.

[2]
C

Using an AD/AS diagram, explain how higher interest rates could close Montara's initial inflationary gap (Text A, paragraph 1).

[4]
D

Using Table 1 and your answer to (b)(i), calculate Montara's real business-loan interest rate in 2025, using the approximation r≈i−πr \approx i-\pi.

[4]
E

Using an AD/AS diagram, explain how the fall in export demand may affect Montara's output and employment (Text A, paragraph 2).

[4]
F

Using a business-cycle diagram, explain why the fall in export demand may require the central bank to reverse its policy, including the effect of the time lag described in Text A, paragraph 2.

[4]
G

Using information from the texts/data and your knowledge of economics, discuss whether monetary policy can successfully stabilize Montara's business cycle.

[15]
Question 6
SL • Paper 1
Hard
Non Calculator
SL • Paper 1
Hard
Non Calculator

A

Explain how inflation targeting may influence the monetary-policy decisions of a central bank.

[10]
B

Using real-world examples, evaluate whether inflation targeting improves economic well-being.

[15]
Question 7
SL • Paper 1
Hard
Non Calculator
SL • Paper 1
Hard
Non Calculator

A

Explain how an increase in interest rates may affect a country’s external balance.

[10]
B

Using real-world examples, discuss the effectiveness of monetary policy in achieving external balance.

[15]
Question 8
SL • Paper 1
Hard
Non Calculator
SL • Paper 1
Hard
Non Calculator

A

Explain how monetary policy may reduce fluctuations in the business cycle.

[10]
B

Using real-world examples, evaluate the view that monetary policy is an effective method of stabilizing the business cycle.

[15]

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Question 9
HL • Paper 1
Hard
Non Calculator
HL • Paper 1
Hard
Non Calculator

A

Explain the process by which commercial-bank lending may create money.

[10]
B

Using real-world examples, evaluate the effectiveness of reducing minimum reserve requirements as a way of increasing aggregate demand.

[15]
Question 10
HL • Paper 1
Hard
Non Calculator
HL • Paper 1
Hard
Non Calculator

A

Explain how a central bank’s sale of government securities may affect the equilibrium interest rate and aggregate demand.

[10]
B

Using real-world examples, discuss the effectiveness of open market operations in reducing demand-pull inflation.

[15]
Question 11
HL • Paper 1
Hard
Non Calculator
HL • Paper 1
Hard
Non Calculator

A

Explain how an increase in the central bank minimum lending rate may affect real output and the average price level.

[10]
B

Using real-world examples, evaluate the effectiveness of changes in the central bank minimum lending rate in achieving macroeconomic objectives.

[15]
Question 12
HL • Paper 1
Hard
Non Calculator
HL • Paper 1
Hard
Non Calculator

A

Explain how an increase in the supply of money affects the equilibrium interest rate in the money market.

[10]
B

Using real-world examples, discuss whether increasing the money supply is sufficient to increase real output.

[15]

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Question 13
SL • Paper 2
Hard
Calculator Permitted
SL • Paper 2
Hard
Calculator Permitted

Inflation in Lydora

Read the extracts and answer the questions that follow.

Text A — Rising demand

  1. Lydora has experienced rapid growth in household consumption and housing investment. Unemployment has fallen to 3.8%, while inflation has risen above the central bank's target. The central bank identifies price stability as an important monetary-policy objective.

  2. The central bank increased its policy interest rate from 3% to 5%. Commercial banks subsequently increased mortgage and business-loan rates. Officials expect weaker consumption and investment to reduce aggregate demand, although the effects may take more than a year to appear.

Text B — Costs and consequences

  1. Food and energy prices have also increased because of poor harvests and higher world oil prices. Some economists therefore argue that the inflation is partly cost-push and will not be removed directly by higher interest rates.

  2. The central bank uses inflation targeting and aims for inflation of 2%, within a range of 1% to 3%. Heavily indebted households report that higher mortgage repayments have reduced their disposable income.

Table 1 — Consumer price index and interest rate

Consumer price index and lending interest rate in Lydora.

YearConsumer price indexNominal lending rate / % per year
2024126.0—
2025132.37.0

Table 2 — Selected macroeconomic indicators

Selected macroeconomic indicators for Lydora

IndicatorValue
Unemployment rate3.8%
Inflation rate5.0%
Inflation target2.0%
Household debt / disposable income110%
A
I.

Define the term price stability indicated in bold (Text A, paragraph 1).

[2]
II.

Define the term inflation targeting indicated in bold (Text B, paragraph 2).

[2]
B
I.

Using Table 1, calculate Lydora's inflation rate in 2025. Show your working.

[3]
II.

Using Table 1 and your answer to (b)(i), calculate the real lending interest rate in 2025.

[2]
C

Using an AD/AS diagram, explain how the higher policy interest rate may reduce demand-pull inflation in Lydora (Text A, paragraph 2).

[4]
D

Using an exchange-rate diagram, explain how the increase in Lydora's interest rate may affect its currency and net exports (Text A, paragraph 2).

[4]
E

Using an AD/AS diagram, explain why higher interest rates may be less effective against the cost-push inflation described in Text B, paragraph 1.

[4]
F

Using a business-cycle diagram, explain how contractionary monetary policy may reduce an inflationary gap in Lydora (Text A).

[4]
G

Using information from the texts/data and your knowledge of economics, evaluate the decision to increase interest rates in Lydora.

[15]
Question 14
SL • Paper 2
Hard
Calculator Permitted
SL • Paper 2
Hard
Calculator Permitted

Recession in Norvia

Read the extracts and answer the questions that follow.

Text A — Weak private spending

  1. Norvia entered a recession after exports and business confidence declined. Firms postponed investment and unemployment rose. The central bank responded with expansionary monetary policy, reducing its policy rate from 2.5%2.5\% to 0.5%0.5\%.

  2. Commercial banks lowered some lending rates, but many firms remained unwilling to borrow because they expected weak sales. Banks also tightened credit checks. The central bank stated that policy changes influence spending through a transmission mechanism involving borrowing, saving, consumption, investment and the exchange rate.

Text B — Prospects for recovery

  1. The lower interest rate reduced the reward for saving and caused Norvia's currency to depreciate. Exporters became more competitive, but imported fuel became more expensive.

  2. The economy has substantial spare capacity. However, consumer confidence remains low and the policy rate is already close to zero, limiting the scope for further conventional rate cuts.

Table 1 — Prices and borrowing costs

Prices and borrowing costs in Norvia

YearConsumer price indexNominal lending rate / % per year
2024104.0—
2025105.33.0

Table 2 — Indicators of economic activity

Selected indicators of economic activity in Norvia.

IndicatorValue
Unemployment rate9.0%9.0\%
Real GDP growth−1.5%-1.5\%
Capacity utilization72%72\%
Policy interest rate0.5%0.5\% per year
A
I.

Define the term expansionary monetary policy indicated in bold (Text A, paragraph 1).

[2]
II.

Define the term transmission mechanism indicated in bold (Text A, paragraph 2).

[2]
B
I.

Using Table 1, calculate Norvia's inflation rate in 2025. Show your working.

[3]
II.

Using Table 1 and your answer to (b)(i), calculate Norvia's real lending interest rate in 2025.

[2]
C

Using an AD/AS diagram, explain how the interest-rate reduction may reduce cyclical unemployment in Norvia (Text A).

[4]
D

Using an exchange-rate diagram, explain how lower interest rates may have caused Norvia's currency to depreciate (Text B, paragraph 1).

[4]
E

Using an AD/AS diagram, explain how depreciation may affect Norvia's real output and average price level (Text B, paragraph 1).

[4]
F

Using a business-cycle diagram, explain how expansionary monetary policy could close Norvia's recessionary gap (Text B, paragraph 2).

[4]
G

Using information from the texts/data and your knowledge of economics, discuss the likely effectiveness of expansionary monetary policy in ending Norvia's recession.

[15]
Question 15
SL • Paper 2
Hard
Calculator Permitted
SL • Paper 2
Hard
Calculator Permitted

Household debt in Estara

Read the extracts and answer the questions that follow.

Text A — Monetary tightening

  1. Estara's inflation has exceeded its target following strong household demand. The central bank adopted contractionary monetary policy, increasing the official interest rate in several small steps.

  2. Most mortgages in Estara have variable interest rates. Higher repayments have reduced the disposable income of indebted households, while retired savers have received higher interest income. Retail sales have declined sharply.

Text B — Distribution and stability

  1. The central bank argues that small changes make monetary policy incremental and easily reversible. It could lower the rate quickly if unemployment rises more than forecast.

  2. Critics argue that the burden of tightening is uneven. Low-income mortgage borrowers spend a large proportion of income on housing, while wealthy households are more likely to own interest-bearing financial assets.

Table 1 — CPI and mortgage rate

CPI and variable mortgage interest rate in Estara

YearCPI indexVariable nominal mortgage rate / %\text{ per year}
2024118.0—
2025123.98.0

Table 2 — Household indicators

Table 2 — Household indicators in Estara

IndicatorPeriodValue
Household debt2025135%135\% of disposable income
Retail sales growth2025−3.0%-3.0\%
Unemployment rate20244.2%4.2\%
Unemployment rate20255.1%5.1\%
Inflation targetAnnual2.0%2.0\%
A
I.

Define the term contractionary monetary policy indicated in bold (Text A, paragraph 1).

[2]
II.

Define the term incremental indicated in bold (Text B, paragraph 1).

[2]
B
I.

Using Table 1, calculate Estara's inflation rate in 2025. Show your working.

[3]
II.

Using Table 1 and your answer to (b)(i), calculate the real mortgage interest rate in 2025.

[2]
C

Using an AD/AS diagram, explain how higher mortgage rates may reduce inflation in Estara (Text A).

[4]
D

Using a business-cycle diagram, explain how excessive monetary tightening could affect Estara's economic activity (Text B, paragraph 1).

[4]
E

Using an AD/AS diagram, explain why Estara's unemployment may rise following monetary tightening (Table 2).

[4]
F

Using a circular-flow diagram, explain how higher interest rates may increase leakages from Estara's economy (Text A and Text B).

[4]
G

Using information from the texts/data and your knowledge of economics, discuss the effectiveness and equity effects of contractionary monetary policy in Estara.

[15]
Question 16
SL • Paper 2
Hard
Calculator Permitted
SL • Paper 2
Hard
Calculator Permitted

External balance in Calidia

Read the extracts and answer the questions that follow.

Text A — Imports and domestic demand

  1. Calidia has a large current account deficit. Strong consumption has increased imports of vehicles and electronics. The central bank raised interest rates to reduce domestic demand and improve external balance.

  2. Higher rates reduced consumer credit and investment. However, they also attracted short-term financial inflows, causing the calid to appreciate.

Text B — Conflicting exchange-rate effects

  1. The appreciation made imported goods cheaper but Calidia's tourism and manufactured exports more expensive abroad. Export firms have reduced employment.

  2. The central bank's main objective remains a low and stable rate of inflation. Officials argue that cheaper imported fuel will reduce inflation, while exporters argue that the policy may worsen the trade balance.

Table 1 — CPI and consumer-credit rate

Calidia consumer prices and consumer-credit interest rate

YearCPI indexConsumer-credit rate / % per year
2024110.0Not provided
2025114.49.0

Table 2 — External indicators

External indicators for Calidia in 2025.

IndicatorValue
Current account balance−6.0%-6.0\% of GDP
Import growth8.0%8.0\%
Export growth1.0%1.0\%
Currency appreciation10.0%10.0\%
A
I.

Define the term external balance indicated in bold (Text A, paragraph 1).

[2]
II.

Define the term inflation indicated in bold (Text B, paragraph 2).

[2]
B
I.

Using Table 1, calculate Calidia's inflation rate in 2025. Show your working.

[3]
II.

Using Table 1 and your answer to (b)(i), calculate Calidia's real consumer-credit interest rate in 2025.

[2]
C

Using an AD/AS diagram, explain how higher interest rates may reduce Calidia's imports (Text A).

[4]
D

Using an exchange-rate diagram, explain why Calidia's currency may appreciate after the interest-rate increase (Text A, paragraph 2).

[4]
E

Using an AD/AS diagram, explain how appreciation could reduce inflation in Calidia (Text B).

[4]
F

Using a demand-and-supply diagram for Calidian exports, with the domestic-currency price received by exporters on the vertical axis and quantity of exports on the horizontal axis, explain how appreciation may affect Calidia's export industries (Text B, paragraph 1).

[4]
G

Using information from the texts/data and your knowledge of economics, evaluate the use of higher interest rates to improve Calidia's external balance.

[15]

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Question 17
HL • Paper 2
Hard
Calculator Permitted
HL • Paper 2
Hard
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Very low interest rates in Arandia

Read the extracts and answer the questions that follow.

Text A — Persistent weakness

  1. Arandia has experienced weak consumption, falling investment and very low inflation. The central bank cut its policy rate to 0.1%, but aggregate demand remained weak. The economy has a recessionary gap and high cyclical unemployment.

  2. Households increased saving because they feared job losses. Firms did not borrow despite cheap credit because they expected poor sales. Commercial banks were cautious about lending to small businesses.

Text B — Limits to policy

  1. Economists describe this as the near-zero lower bound constraint: there is little practical scope for reducing nominal interest rates further. The central bank continues to promise low rates, hoping to improve confidence.

  2. Critics argue that monetary policy cannot force pessimistic households and firms to spend. Others note that low rates have depreciated Arandia's currency, supporting tourism and exports.

Table 1 — CPI and lending rate in Arandia

YearCPI / indexNominal lending rate / % per year
2024101.0—
2025101.52.0

Indicators of weak aggregate demand in Arandia.

IndicatorEarlier valueCurrent valueUnit
Policy interest rate—0.1% per year
Unemployment rate—10.5% of labour force
Household saving rate1217% of disposable income
Capacity utilization—68% of productive capacity
A
I.

Define the term recessionary gap indicated in bold (Text A, paragraph 1).

[2]
II.

Define the term near-zero lower bound indicated in bold (Text B, paragraph 1).

[2]
B
I.

Using Table 1, calculate Arandia's inflation rate in 2025. Show your working.

[3]
II.

Using Table 1 and your answer to (b)(i), calculate Arandia's real lending interest rate in 2025.

[2]
C

Using an AD/AS diagram, explain how a reduction in interest rates would normally close a recessionary gap (Text A).

[4]
D

Using a circular-flow diagram, explain how Arandian households' increased saving may weaken monetary-policy transmission (Text A, paragraph 2).

[4]
E

Using an exchange-rate diagram, explain how Arandia's low interest rates may support exports (Text B, paragraph 2).

[4]
F

Using a business-cycle diagram, explain the macroeconomic position indicated by Arandia's capacity utilization and unemployment data (Table 2).

[4]
G

Using information from the texts/data and your knowledge of economics, evaluate the effectiveness of very low interest rates in restoring growth and employment in Arandia.

[15]
Question 18
HL • Paper 2
Hard
Calculator Permitted
HL • Paper 2
Hard
Calculator Permitted

Delayed recovery in Selucia

Read the extracts and answer the questions that follow.

Text A — Rate cuts and delayed effects

  1. Selucia's central bank cut its policy interest rate after unemployment increased. Commercial-bank lending rates fell quickly, but household spending responded only gradually. The delay between a policy decision and its effect on output and inflation is called a time lag.

  2. Businesses initially postponed investment because confidence was weak. Six months later, orders and borrowing began to rise. The central bank expects aggregate demand to strengthen further next year.

Text B — Risk of overstimulation

  1. Selucia now has less spare capacity and house prices are increasing rapidly. Some policymakers fear that keeping rates low for too long could create an inflationary gap.

  2. Others emphasize that monetary policy is easily reversible: the policy rate can be raised if inflationary pressure becomes excessive. However, an early increase could stop the recovery before employment has fully recovered.

Table 1 — CPI and lending rate

Selucia's consumer price index and lending interest rate.

YearCPI / indexLending rate / % per year
2024108.0Not provided
2025110.74.5

Table 2 — Recovery indicators

Recovery indicators in Selucia

IndicatorEarlier period2025
Unemployment rate8.0%8.0\%6.5%6.5\%
Capacity utilization70%70\%86%86\%
House price index200224
Inflation target2.0%2.0\%2.0%2.0\%
A
I.

Define the term time lag indicated in bold (Text A, paragraph 1).

[2]
II.

Define the term easily reversible indicated in bold (Text B, paragraph 2) in relation to monetary policy.

[2]
B
I.

Using Table 1, calculate Selucia's inflation rate in 2025. Show your working.

[3]
II.

Using Table 1 and your answer to (b)(i), calculate Selucia's real lending interest rate in 2025.

[2]
C

Using an AD/AS diagram, explain how Selucia's earlier interest-rate reduction contributed to recovery (Text A).

[4]
D

Using a business-cycle diagram, explain the risk of keeping Selucia's interest rates low for too long (Text B).

[4]
E

Using an AD/AS diagram, explain how an early interest-rate increase could interrupt Selucia's recovery (Text B, paragraph 2).

[4]
F

Using a demand and supply diagram for housing, explain how low interest rates may have contributed to Selucia's rising house prices (Table 2).

[4]
G

Using information from the texts/data and your knowledge of economics, discuss when Selucia's central bank should reverse its expansionary monetary policy.

[15]
Question 19
HL • Paper 2
Hard
Calculator Permitted
HL • Paper 2
Hard
Calculator Permitted

Interest rates and housing in Pelagos

Read the extracts and answer the questions that follow.

Text A — Credit-led expansion

  1. Pelagos experienced rapid growth in mortgage borrowing and house prices while interest rates were low. Construction and consumption increased because homeowners felt wealthier. The central bank became concerned that excessive spending would increase inflation.

  2. It raised the interest rate, and commercial banks increased mortgage rates. New housing demand declined, construction slowed and households with variable-rate mortgages reduced other spending.

Text B — Wider objectives

  1. The central bank seeks low inflation, low unemployment and a stable environment for long-term growth. These objectives may conflict when policy changes aggregate demand.

  2. Housing construction employs many lower-skilled workers. A sharp slowdown could create cyclical unemployment, while stable inflation could reduce uncertainty and support sustainable investment over time.

Table 1 — CPI and mortgage rate

CPI and nominal mortgage interest rate in Pelagos

YearCPINominal mortgage interest rate / % per year
2024160.0—
2025168.09.5

Table 2 — Housing indicators

Housing indicators in Pelagos, 2024–2025

Indicator / unit20242025
House-price growth / %154
New mortgage lending index / 2024 = 10010080
Construction output index / 2024 = 10010094
Unemployment rate / %4.05.2
A
I.

Define the term interest rate indicated in bold (Text A, paragraph 2).

[2]
II.

Define the term cyclical unemployment indicated in bold (Text B, paragraph 2).

[2]
B
I.

Using Table 1, calculate Pelagos's inflation rate in 2025. Show your working.

[3]
II.

Using Table 1 and your answer to (b)(i), calculate Pelagos's real mortgage interest rate in 2025.

[2]
C

Using a housing-market demand and supply diagram, explain how higher mortgage rates affected house prices in Pelagos (Text A).

[4]
D

Using an AD/AS diagram, explain how lower house prices and higher mortgage repayments may reduce inflation in Pelagos (Text A).

[4]
E

Using a labour-market diagram, explain how the decline in construction output may increase unemployment (Text B, paragraph 2).

[4]
F

Using a PPC diagram, explain how stable inflation could support Pelagos's long-term growth (Text B, paragraph 2).

[4]
G

Using information from the texts/data and your knowledge of economics, discuss whether Pelagos's higher interest rates will improve economic well-being.

[15]
Question 20
HL • Paper 3
Hard
Calculator Permitted
HL • Paper 3
Hard
Calculator Permitted

Recession in Lydora

Lydora’s central bank has an inflation target of 2% per year. Following a decline in consumer and business confidence, the economy entered a recession. Commercial banks are willing to lend any excess reserves, but firms remain cautious about borrowing.

Table 1

Selected macroeconomic and banking data for Lydora.

IndicatorValue
Actual real GDP500 billion lydors
Potential real GDP525 billion lydors
Unemployment rate7.2%7.2\%
Inflation rate1.0%1.0\% per year
Inflation target2.0%2.0\% per year
Nominal policy interest rate0.5%0.5\% per year
Minimum reserve requirement8%8\% of deposits
Proposed reserve injection600 million lydors

The central bank is considering purchasing government securities from the banking system. It estimates that this would create 600 million lydors of new commercial-bank reserves. Assume initially that all loans are spent, all funds are redeposited in commercial banks, banks hold no excess reserves and the public holds no additional cash.

A
I.

Using the data in Table 1, calculate Lydora’s approximate real policy interest rate.

[2]
II.

Calculate the maximum simple deposit multiplier resulting from Lydora’s minimum reserve requirement.

[2]
III.

Calculate the maximum increase in total bank deposits that could result from the proposed purchase of government securities.

[4]
IV.

Draw a money-market diagram to show the effect of the central bank’s purchase of government securities on Lydora’s equilibrium interest rate.

[4]
V.

Draw an AD/AS diagram to illustrate an expansionary monetary policy that closes Lydora’s recessionary gap.

[4]
VI.

Explain why the actual increase in aggregate demand may be smaller than suggested by the maximum increase in deposits calculated in part (a)(iii).

[4]
B

Using the text/data provided and your knowledge of economics, recommend an appropriate monetary policy for Lydora’s central bank to reduce the recessionary gap.

[10]

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Question 21
HL • Paper 3
Hard
Calculator Permitted
HL • Paper 3
Hard
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Demand-pull inflation in Montara

Montara’s economy has experienced rapid growth in household credit and investment. Its central bank believes that aggregate demand is above the economy’s productive capacity and is considering selling government securities to commercial banks.

Table 1: Selected data for Montara

Selected macroeconomic and monetary data for Montara.

IndicatorValue
Actual real GDP816 billion montars
Potential real GDP800 billion montars
Annual inflation rate6.0%
Inflation target2.0%
Nominal average lending rate7.5% per year
Initial policy interest rate3.0%
Proposed policy interest rate5.0%
Minimum reserve requirement10%
Proposed reserve withdrawal300 million montars

Assume that the sale of securities would reduce commercial-bank reserves by 300 million montars. Under the simplified deposit-creation model, banks hold no excess reserves, the public holds no additional cash and all loans are redeposited.

A
I.

Using the data in Table 1, calculate the approximate real average lending rate in Montara.

[2]
II.

Calculate the maximum decrease in total bank deposits that could result from the proposed sale of government securities.

[3]
III.

Explain how a sale of government securities by Montara’s central bank could reduce the money supply.

[3]
IV.

Draw a money-market diagram to illustrate the intended effect of the sale of government securities on the equilibrium interest rate.

[4]
V.

Draw an AD/AS diagram to show a contractionary monetary policy closing Montara’s inflationary gap.

[4]
VI.

Explain how increasing the policy interest rate from 3.0% to 5.0% may reduce demand-pull inflation in Montara.

[4]
B

Using the text/data provided and your knowledge of economics, recommend a monetary-policy response to Montara’s inflation.

[10]
Question 22
HL • Paper 3
Hard
Calculator Permitted
HL • Paper 3
Hard
Calculator Permitted

Very low inflation and quantitative easing in Norland

Norland has experienced weak private investment and declining prices. Its policy interest rate is already close to zero. The central bank is considering creating reserves to purchase 40 billion norins of long-term government bonds from financial institutions.

The following data are provided in Table 1.

Selected economic and financial data for Norland.

IndicatorValue
Annual inflation rate−0.8%-0.8\%
Inflation target2.0%2.0\%
Nominal policy interest rate0.1% per year0.1\%\ \text{per year}
Unemployment rate8.4%8.4\%
Actual real GDP940 billion norins940\ \text{billion norins}
Potential real GDP1000 billion norins1000\ \text{billion norins}
Minimum reserve requirement5%5\%
Proposed QE bond purchases40 billion norins40\ \text{billion norins}
Firms expecting higher sales38%38\%

Surveys indicate that only 38% of firms expect sales to rise during the next year. Commercial banks have also increased voluntary excess reserves because they are concerned about borrowers defaulting.

A
I.

Define the term quantitative easing.

[2]
II.

Using the data in Table 1, calculate Norland’s approximate real policy interest rate.

[2]
III.

Under the assumptions of the simple deposit-creation model, calculate the maximum total increase in bank deposits that could be supported by the proposed asset purchases.

[3]
IV.

Explain how the proposed bond purchases may lower longer-term interest rates in Norland.

[4]
V.

Draw an AD/AS diagram to show the intended effect of quantitative easing on Norland’s recessionary gap.

[3]
VI.

Explain why Norland’s actual increase in consumption and investment may remain small despite quantitative easing.

[6]
B

Using the text/data provided and your knowledge of economics, recommend a monetary policy for Norland’s central bank to promote higher real output and a return to its inflation target.

[10]
Question 23
HL • Paper 3
Hard
Calculator Permitted
HL • Paper 3
Hard
Calculator Permitted

Credit growth in Bellaria

Bellaria’s central bank operates an inflation-targeting framework. Rapid growth in bank lending has contributed to rising consumption and house prices. The central bank is considering increasing the minimum reserve requirement for commercial banks.

Use the following table for the questions.

Monetary and macroeconomic data for Bellaria.

IndicatorValue
Inflation target range1%1\% to 3%3\%
Current inflation rate4.5%4.5\%
Annual bank-credit growth14%14\%
Actual real GDP303 billion bellars
Potential real GDP300 billion bellars
Initial minimum reserve requirement10%10\%
Proposed minimum reserve requirement12.5%12.5\%
New reserves available50 million bellars

For the calculations, assume that the banking system has 50 million bellars of new reserves available to support deposits. Assume that all excess reserves are lent, all loan proceeds are redeposited, banks hold no voluntary excess reserves and the public holds no additional cash.

A
I.

Define the term inflation targeting.

[2]
II.

Calculate the maximum total deposits supported by the 50 million bellars of new reserves under the initial reserve requirement.

[3]
III.

Calculate the maximum total deposits supported by the same reserves under the proposed reserve requirement and hence calculate the decrease from the initial maximum.

[3]
IV.

Explain how increasing the minimum reserve requirement may reduce inflationary pressure in Bellaria.

[4]
V.

Draw a money-market diagram showing the intended effect of tighter monetary conditions on Bellaria’s equilibrium interest rate.

[4]
VI.

Draw an AD/AS diagram to illustrate the intended effect of contractionary monetary policy on Bellaria’s inflationary gap.

[4]
B

Using the text/data provided and your knowledge of economics, recommend whether Bellaria’s central bank should increase the minimum reserve requirement from 10% to 12.5% or use another monetary-policy instrument to return inflation to its target range.

[10]
Question 24
HL • Paper 1
Hard
Non Calculator
HL • Paper 1
Hard
Non Calculator

A

Explain how quantitative easing may increase aggregate demand when short-term interest rates are close to zero.

[10]
B

Using real-world examples, evaluate the effectiveness of quantitative easing in closing a recessionary gap.

[15]

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Question 25
HL • Paper 1
Hard
Non Calculator
HL • Paper 1
Hard
Non Calculator

A

Explain how two monetary-policy tools may be used to increase aggregate demand.

[10]
B

Using real-world examples, evaluate the view that monetary policy cannot achieve low inflation and low unemployment at the same time.

[15]
Question 26
HL • Paper 2
Hard
Calculator Permitted
HL • Paper 2
Hard
Calculator Permitted

Imported inflation in Vardena

Read the extracts and answer the questions that follow.

Text A — Energy shock

  1. Vardena imports most of its energy. A global supply disruption doubled the world price of gas, increasing firms' transport and production costs. Inflation rose well above target even though domestic demand was weak. This is described as cost-push inflation.

  2. The central bank raised interest rates to prevent inflation expectations from becoming embedded. Officials accepted that policy could not create more gas but argued that it could limit second-round increases in wages and prices.

Text B — Economic costs

  1. Higher borrowing costs have reduced investment and housing demand. Unemployment has increased, and small firms report difficulty refinancing debt.

  2. The currency appreciated after the rate increase, making imported energy cheaper in domestic currency. The bank must decide whether the improvement in price stability justifies weaker output and employment.

Table 1 — CPI and business-loan rate

Vardena's consumer price index and nominal business-loan interest rate.

YearCPI indexNominal business-loan rate / % per year
2024140.0—
2025151.211.0

Table 2 — Energy and labour indicators

Energy, labour, investment and currency indicators for Vardena.

Indicator20242025Change, 2024–2025
Imported energy price index (2024 = 100)100200+100%+100\%
Unemployment rate / %5.58.0+2.5 percentage points
Real investment index (2024 = 100)10093−7%-7\%
Currency value index: foreign currency per Vardenan currency (2024 = 100)100109+9%+9\%
A
I.

Define the term cost-push inflation indicated in bold (Text A, paragraph 1).

[2]
II.

Define the term price stability indicated in bold (Text B, paragraph 2).

[2]
B
I.

Using Table 1, calculate Vardena's inflation rate in 2025. Show your working.

[3]
II.

Using Table 1 and your answer to (b)(i), calculate Vardena's real business-loan interest rate in 2025.

[2]
C

Using an AD/AS diagram, explain how the energy-price shock caused inflation and unemployment in Vardena (Text A).

[4]
D

Using an AD/AS diagram, explain how higher interest rates may prevent second-round inflation in Vardena (Text A, paragraph 2).

[4]
E

Using a foreign-exchange-market diagram, with the value of Vardena's currency (foreign currency per Vardenan currency) on the vertical axis and quantity of Vardena's currency on the horizontal axis, explain how Vardena's interest-rate increase may reduce imported inflation (Text B, paragraph 2).

[4]
F

Using a PPC diagram, explain how the fall in investment may affect Vardena's future economic growth (Table 2).

[4]
G

Using information from the texts/data and your knowledge of economics, evaluate Vardena's decision to raise interest rates in response to imported energy inflation.

[15]
Question 27
HL • Paper 2
Hard
Calculator Permitted
HL • Paper 2
Hard
Calculator Permitted

Exchange-rate pressure in Kintara

Read the extracts and answer the questions that follow.

Text A — Currency depreciation

  1. Kintara's currency depreciated after world interest rates rose and investors moved funds abroad. Imported food and machinery became more expensive, increasing inflation. The central bank raised domestic rates to attract financial inflows and support exchange-rate stability.

  2. Higher rates reduced consumption and investment. Manufacturers that borrow to buy machinery have postponed expansion, while the stronger currency has reduced imported input costs.

Text B — Policy dilemmas

  1. The central bank also aims to achieve low unemployment, but unemployment is already increasing. Exporters benefit from a weaker currency and fear that appreciation will reduce their competitiveness.

  2. Economists disagree about whether monetary policy should prioritize inflation and the exchange rate or domestic output and employment. The outcome may depend on investors' confidence and changes in foreign interest rates.

Table 1 — CPI and lending rate

Kintara's consumer price index and nominal lending rate.

YearCPINominal lending rate / % per year
202495.0—
2025100.710.0

Table 2 — External and domestic indicators

Table 2 — External and domestic indicators in Kintara

IndicatorInitial valueLatest valueChange
External value of currency index1008515%15\% depreciation
Imported-input price index10011212%12\% increase
Unemployment rate6.0%6.0\%7.5%7.5\%1.5 percentage-point increase
Real investment index100928%8\% decrease
A
I.

Define the term exchange-rate stability indicated in bold (Text A, paragraph 1).

[2]
II.

Define the term low unemployment indicated in bold (Text B, paragraph 1).

[2]
B
I.

Using Table 1, calculate Kintara's inflation rate in 2025. Show your working.

[3]
II.

Using Table 1 and your answer to (b)(i), calculate Kintara's real lending interest rate in 2025.

[2]
C

Using an exchange-rate diagram, explain how higher domestic interest rates may support Kintara's currency (Text A).

[4]
D

Using an AD/AS diagram, explain how the initial depreciation contributed to inflation in Kintara (Text A, paragraph 1).

[4]
E

Using a foreign-exchange market diagram, with the exchange rate defined as the price of Kintara's currency in foreign-currency terms and the quantity of Kintara's currency on the horizontal axis, explain how higher domestic interest rates may support Kintara's currency (Text A).

[4]
F

Using an export-market demand and supply diagram, explain how appreciation could affect Kintara's exporters (Text B, paragraph 1).

[4]
G

Using information from the texts/data and your knowledge of economics, evaluate Kintara's use of interest rates to support its currency and reduce inflation.

[15]
Question 28
HL • Paper 2
Hard
Calculator Permitted
HL • Paper 2
Hard
Calculator Permitted

Monetary-policy choices in Dorsia

Read the extracts and answer the questions that follow.

Text A — Uneven recovery

  1. Dorsia is recovering from a recession. Consumer spending has increased, but business investment remains weak and unemployment is still high. The central bank has kept interest rates low to promote a stable environment for long-term economic growth.

  2. Inflation has moved above target following floods that damaged crops and raised food prices. The central bank must decide whether to increase rates despite the weak labour market.

Text B — Interdependence and policy

  1. Dorsian households have high variable-rate debt. Environmental damage has reduced food supply, while low business confidence limits investment. These economic, social and environmental factors are interdependent and affect monetary-policy outcomes.

  2. Supporters of tightening emphasize inflation expectations and price stability. Opponents argue that higher rates would reduce demand without restoring damaged crops and would impose heavy costs on indebted households.

Table 1 — CPI and lending rate

Dorsia's consumer price index and nominal lending rate.

YearCPI / indexNominal lending rate / percent per year
2024200.0—
2025212.07.0

Table 2 — Recovery and household indicators

Recovery and household indicators for Dorsia

IndicatorValue / unit
Inflation target2.0%2.0\%
Unemployment rate9.0%9.0\%
Household debt / disposable income125%125\%
Business investment growth−2.0%-2.0\%
Food-price increase18%18\%
A
I.

Define the term long-term economic growth indicated in bold (Text A, paragraph 1).

[2]
II.

Define the term interdependent indicated in bold (Text B, paragraph 1).

[2]
B
I.

Using Table 1, calculate Dorsia's inflation rate in 2025. Show your working.

[3]
II.

Using Table 1 and your answer to (b)(i), calculate Dorsia's real lending interest rate in 2025.

[2]
C

Using an AD/AS diagram, explain how flood damage may have caused inflation in Dorsia (Text A, paragraph 2).

[4]
D

Using an AD/AS diagram, explain how an interest-rate increase would affect Dorsia's inflation and unemployment (Text B).

[4]
E

Using a circular-flow diagram, explain how high household debt may strengthen the effect of an interest-rate increase in Dorsia (Text B, paragraph 1).

[4]
F

Using a PPC diagram, explain how weak investment may affect Dorsia's long-term economic growth (Text A and Table 2).

[4]
G

Using information from the texts/data and your knowledge of economics, discuss whether Dorsia's central bank should increase interest rates.

[15]

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Question 29
HL • Paper 3
Hard
Calculator Permitted
HL • Paper 3
Hard
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Imported inflation in Estavia

A disruption to global energy supplies has sharply increased Estavia’s production and transport costs. Headline inflation is well above target, but real output is below potential. Estavia’s central bank is considering increasing its policy interest rate.

Table 1

Selected macroeconomic and household data for Estavia

IndicatorValue
Headline inflation8.0%8.0\%
Underlying demand-related inflation3.0%3.0\%
Inflation target2.0%2.0\%
Actual real GDP686 billion estars
Potential real GDP700 billion estars
Initial nominal policy rate2.5%2.5\%
Proposed nominal policy rate5.0%5.0\%
Initial variable mortgage rate4.0%4.0\%
Proposed variable mortgage rate6.5%6.5\%
Representative mortgage balance200 000 estars

A representative household has a variable-rate mortgage balance of 200 000 estars. Assume, only for the mortgage calculation, that the annual interest charge equals the stated mortgage rate multiplied by the outstanding balance.

A
I.

Using headline inflation, calculate the approximate real policy interest rate before and after the proposed increase.

[4]
II.

Calculate the increase in the representative household’s annual mortgage-interest charge if the mortgage rate rises from 4.0% to 6.5%.

[3]
III.

Draw an AD/AS diagram to illustrate the initial impact of the global energy-supply disruption on Estavia’s average price level and real output.

[4]
IV.

Explain why a contractionary monetary policy cannot directly remove the main cause of Estavia’s headline inflation.

[4]
V.

Explain how the proposed interest-rate increase may affect Estavia’s exchange rate and external balance.

[5]
B

Using the text/data provided and your knowledge of economics, recommend whether Estavia’s central bank should increase its policy interest rate from 2.5% to 5.0%.

[10]
Question 30
HL • Paper 3
Hard
Calculator Permitted
HL • Paper 3
Hard
Calculator Permitted

Overheating and external imbalance in Carvia

Carvia has experienced strong domestic demand, inflation above target and a current account deficit. Its central bank has raised its policy interest rate and is considering selling government securities to reduce bank reserves.

Table 1: Macroeconomic and exchange-rate data for Carvia

Macroeconomic and exchange-rate data for Carvia.

IndicatorValue
Inflation rate3.0%3.0\% per year
Inflation target2.0%2.0\% per year
Policy interest rate after increase4.5%4.5\% per year
Actual real GDP618 billion carvs
Potential real GDP600 billion carvs
Current account balance−4.2%-4.2\% of GDP
Initial exchange rate1 carv=USD 0.801\ \text{carv} = \text{USD}\ 0.80
Exchange rate after rate increase1 carv=USD 0.881\ \text{carv} = \text{USD}\ 0.88

Table 2: Proposed open-market operation

Proposed open-market sale by Carvia’s central bank.

ItemValue
Government securities to be sold1.2 billion carvs
Commercial-bank reserves withdrawn1.2 billion carvs
Minimum reserve requirement8%8\%

Assume for the deposit calculation that commercial banks lend all excess reserves, all loans are redeposited, banks hold no voluntary excess reserves and the public holds no additional cash.

A
I.

Using Table 1, calculate Carvia’s approximate real policy interest rate after the increase.

[2]
II.

Calculate the percentage appreciation of the carv against the US dollar.

[2]
III.

Using Table 2, calculate the maximum contraction in bank deposits that could result from the proposed sale of government securities.

[3]
IV.

Draw a money-market diagram to illustrate the effect of the proposed open-market sale on Carvia’s equilibrium interest rate.

[4]
V.

Draw an AD/AS diagram showing contractionary monetary policy closing Carvia’s inflationary gap.

[4]
VI.

Explain how Carvia’s higher interest rate and currency appreciation may affect its current account balance.

[5]
B

Using the text/data provided and your knowledge of economics, recommend whether Carvia’s central bank should proceed with the proposed open-market sale to address inflation and the current account deficit.

[10]

3.4 Economics of inequality and poverty

3.6 Demand management — fiscal policy