Practice 4.8 Measuring Development with authentic IB Economics exam questions for both SL and HL students. This question bank mirrors Paper 1, 2, 3 structure, covering key topics like microeconomics, macroeconomics, and international trade. Get instant solutions, detailed explanations, and build exam confidence with questions in the style of IB examiners.
Tajikistan is a mountainous, landlocked country in Central Asia. It faces several development challenges, including a relatively high rate of poverty, a narrow export base (primarily cotton and aluminum), an aging infrastructure, and a heavy reliance on worker remittances sent from abroad—remittances constitute about 28% of the country’s GDP by some estimates. The agricultural sector accounts for about 20% of GDP but employs around 45% of the labour force. While the country has achieved steady growth in recent years, much of the population remains vulnerable to external shocks such as declining global commodity prices, extreme weather events, and reductions in remittances.
The government’s revenue is primarily derived from three main types of taxes: corporate income tax, personal income tax, and a value-added tax (VAT). Despite the relatively low nominal rates, challenges in tax collection remain. Tajikistan’s trade balance has been in persistent deficit for most of the last decade, with imports of consumer and capital goods outstripping exports such as cotton, aluminum, and fresh fruits. The country’s real GDP growth, unemployment rate, and Gini coefficient are presented in Table 1.
Below is a snapshot of key macroeconomic indicators, the country’s tax structure, selected data on income distribution, and information on cotton as a key export.
Table 1: Macroeconomic Indicators in Tajikistan (2017–2021)
| Year | Real GDP (TJS billions) | Real GDP Growth Rate (%) | Gini Coefficient | Unemployment Rate (%) |
|---|---|---|---|---|
| 2017 | 63 | 7.0 | 0.34 | 11.4 |
| 2018 | 67 | 6.3 | 0.34 | 11.1 |
| 2019 | 71 | 6.9 | 0.35 | 10.8 |
| 2020 | 77 | 8.5 | 0.36 | 10.6 |
| 2021 | 82 | 6.5 | 0.37 | 10.3 |
Table 2: Tax Structure in Tajikistan
| Type of Tax | Rate of Tax |
|---|---|
| Corporate Income Tax | 23% |
| Personal Income Tax | Progressive rate up to 25% |
| Value-Added Tax (VAT) | 18% on most goods and services (some 0%) |
Table 3: Income Distribution by Population Groups (2021)
| Population Group | Share of Total Income (%) |
|---|---|
| Top 20% | 45 |
| Middle 40% | 35 |
| Bottom 40% | 20 |
Figure 1: Market for Cotton in Tajikistan (2021 → 2022)
Assume the price of cotton per bale (in TJS) increased from 10 to 12 between 2021 and 2022. Over the same period, the quantity demanded decreased from 500 000 bales to 470 000 bales, while the quantity supplied increased from 400 000 bales to 420 000 bales.
In 2021, the government introduced a stimulus package injecting TJS 600 million into the economy (for infrastructure projects and social spending). Economists estimate the marginal propensity to consume (MPC) in Tajikistan to be about 0.75.
Tajikistan’s heavy reliance on foreign remittances has raised concerns about macroeconomic vulnerability. A sudden drop in remittance inflows could constrain households’ consumption, reduce revenue from indirect taxes, and undermine the country’s balance of payments.
Calculate the percentage change in real GDP from 2020 to 2021.
Using the data in Table 3, calculate the ratio of the top 20% share of income to the bottom 40% share of income in 2021. Show your workings.
Using data from Figure 1, calculate the price elasticity of demand (PED) for cotton when the price changes from TJS 10 to TJS 12 per bale. Provide the absolute value of the PED in your answer.
Using data from Figure 1, calculate the change in total revenue for cotton producers in Tajikistan following the increase in price from TJS 10 to TJS 12 per bale.
Define the term “Keynesian multiplier.”
Using an appropriate AD/AS diagram, explain how an injection of TJS 600 million into the economy (with an MPC of 0.75) might affect Tajikistan’s real GDP.
Using the information provided, calculate the total value of Tajikistan’s stimulus package as a percentage of its real GDP in 2021.
Using information from the text, explain two ways in which reliance on remittances may act as a barrier to economic development in Tajikistan.
Using the information in the text and your knowledge of economics, evaluate the extent to which reliance on remittances is a barrier to economic development in Tajikistan.
Pakistan’s Economic Recovery Challenges
Pakistan faces persistent economic challenges as a developing nation with a rapidly growing, youthful population. The country’s fiscal position remains precarious, characterized by a large budget deficit fueled by rising defense spending and debt servicing costs, with interest payments consuming approximately 40% of total government revenue. This fiscal strain is further aggravated by persistent current account deficits and a dependence on external financial assistance from international institutions.
In response, the Pakistani government has engaged with the International Monetary Fund (IMF) and other multilateral lenders. Under its latest IMF bailout program, Pakistan has committed to a set of structural reforms, including the privatization of state-owned enterprises to improve efficiency, reforming energy subsidies to lower government expenditure, enhancing tax collection mechanisms to increase revenue, tightening monetary policy to control inflation, and maintaining a market-determined exchange rate to stabilize the external sector.
Government officials stress that international financial support is critical for economic recovery, as it restores investor confidence, attracts Foreign Direct Investment (FDI), and facilitates access to additional funding from institutions like the Asian Development Bank (ADB) and World Bank. However, critics argue that IMF programs often lead to austerity measures that can slow economic growth and disproportionately impact low-income households.
Pakistan has a long history of engagement with the IMF, having participated in more than twenty IMF programs since the 1980s. A recurring pattern has emerged: temporary improvements in external balances followed by economic reversals, raising questions about the effectiveness of IMF-led reforms and Pakistan’s ability to sustain long-term economic stability.
Beyond macroeconomic stabilization, development economists emphasize the need for human capital investment to unlock Pakistan’s demographic dividend. Key policy recommendations include expanding education and vocational training programs to improve workforce productivity, promoting gender equality in labor markets to increase economic participation, and encouraging youth employment initiatives to leverage Pakistan’s young population.
While multilateral development banks support initiatives like green energy projects, infrastructure development, and digital transformation, concerns remain about policy implementation, governance challenges, and environmental sustainability. Some critics argue that economic stabilization efforts often overshadow long-term development goals, leading to an ongoing policy dilemma: how should Pakistan balance short-term fiscal stability with long-term economic development?
Table 1: Pakistan’s Government Expenditure and Debt Servicing
| Year | Total Government Expenditure (US$ billion) | Debt Servicing Costs (US$ billion) | Debt Servicing as % of Total Expenditure |
|---|---|---|---|
| 2021 | 80 | 28 | 35% |
| 2022 | 85 | 32 | 37.6% |
| 2023 | 90 | 36 | 40% |
Table 2: Foreign Direct Investment and Current Account Balance in Pakistan
| Year | FDI Inflows (US$ billion) | Current Account Balance (US$ billion) | Exchange Rate (PKR per US$) |
|---|---|---|---|
| 2021 | 2.1 | -6.0 | 160 |
| 2022 | 1.8 | -7.5 | 180 |
| 2023 | 2.5 | -5.2 | 200 |
Define the term budget deficit.
Define monetary policy.
Using information from Table 1, calculate the percentage of Pakistan’s total expenditure allocated to debt servicing in 2023.
Using a correctly labeled diagram, sketch a possible impact of government borrowing on the loanable funds market in Pakistan.
Using an AD-AS diagram, explain the possible impact of privatization of state-owned enterprises on Pakistan’s long-run economic growth.
Using a market diagram, explain how energy subsidy reforms may affect the price and quantity of electricity in Pakistan.
Using a foreign exchange market diagram, explain how a market-determined exchange rate policy could impact the Pakistani Rupee's value.
Using a PPC diagram, explain how investments in human capital development can impact Pakistan’s production possibilities.
Using information from the text/data and your knowledge of economics, evaluate the role of IMF and other international financial institutions in helping Pakistan address its economic challenges.
Country Q, a developing economy, has been experiencing significant economic challenges over the past decade. With a GDP per capita of $4,000 and a relatively low Human Development Index (HDI), the government has been focusing on policies to improve living standards, increase economic growth, and boost international trade.
Table 1: Key Economic Indicators (2022)
| Indicator | Value |
|---|---|
| GDP per capita (US$) | 4,000 |
| Life expectancy (years) | 65 |
| Literacy rate (%) | 78 |
| Access to clean water (%) | 60 |
| Unemployment rate (%) | 12 |
| Inflation rate (%) | 6.5 |
| Government expenditure (US$ billion) | 50 |
Table 2: Demand and Supply Data for Wheat Market in Country Q
| Price per Ton (US$) | Quantity Demanded (tons) | Quantity Supplied (tons) |
|---|---|---|
| 200 | 5,000 | 2,000 |
| 250 | 4,000 | 3,000 |
| 300 | 3,500 | 3,500 |
| 350 | 3,000 | 4,000 |
| 400 | 2,500 | 4,500 |
Table 3: Income Distribution and Tax Revenue
| Income Group | Percentage of Population (%) | Average Income (US$) | Tax Revenue Contribution (%) |
|---|---|---|---|
| Low-income | 40 | 2,000 | 10 |
| Middle-income | 50 | 6,000 | 50 |
| High-income | 10 | 20,000 | 40 |
Figure 1: Government Expenditure Breakdown (US$ Billion)
Education: 10
Healthcare: 15
Infrastructure: 12
Welfare: 8
Other: 5
Using information from Table 2, calculate the price elasticity of demand (PED) when the price of wheat increases from 350.
Explain why increasing access to clean water could positively impact economic development in Country Q.
Using data from Table 3, calculate the Gini coefficient given that the Lorenz curve has an area of 0.35.
Using the data from Table 1, calculate the real GDP growth rate if the previous year’s GDP per capita was $3,800.
Define the term progressive taxation.
Using the data in Table 3, calculate the total tax revenue collected from all income groups.
Draw a demand and supply diagram to illustrate the effect of a government subsidy on the wheat market in Country Q.
Using the data provided in Figure 1, explain how the allocation of government expenditure could influence long-term economic growth in Country Q.
Using the text/data provided and your knowledge of economics, recommend a policy that the government of Country Q could implement to reduce income inequality while maintaining economic growth.
Ghana to Seek Help from International Monetary Fund
Ghana has said it will seek financial aid in the form of a loan from the International Monetary Fund (IMF) to help stop the rapid decline in the value of the cedi, Ghana’s currency, and close a large budget deficit. Ghana’s transformation from one of Africa’s fastest-growing economies to the home of the world’s worst-performing currency has become a concern. The exchange rate depreciated by 40% against the US dollar in 2014. The fall in the currency has led to increases in the price of consumer goods such as sugar and fuel; inflation is at an unacceptable 15%.
Despite being a major exporter of gold, oil, and cocoa, Ghana’s current account deficit has risen sharply to 12% of its gross domestic product (GDP). This is partly due to a rapid increase in demand for imports and falling gold prices. Additionally, oil revenues have not been as strong as expected.
The government is also struggling with a wide budget deficit, which stood at 10% of GDP last year. Ghana’s good reputation for fiscal responsibility has worsened considerably as the government tripled salaries for police officers and soldiers.
It is expected that the news of talks with the IMF will be positively received in international financial markets. The finance minister has said the step would help to stabilize the currency, to bring domestic prices under control, and also to restore investors’ confidence in Ghana’s economy.
A Ghanaian spokesperson noted that the IMF would insist on the government introducing measures to tackle inflation and reduce its budget deficit. The IMF says that Ghana needs to tighten its budget immediately, by reducing public sector wages, lowering subsidies, and increasing taxes. The IMF is likely to demand a limit on borrowing and perhaps some privatization of power and water companies.
Earlier this year, problems in the economy had led to nationwide protests, with thousands of workers across the country protesting in the streets about the rise in the cost of living. The country’s largest trade union says the government has been mismanaging the economy. In response to the protests, a government minister said that the government would work very hard to achieve economic development to make life easier for the working people of Ghana but that all Ghanaians would have to make “some sacrifices for the economy to recover.”
Table 1: Ghana’s Macroeconomic Indicators
| Year | Exchange Rate (GHS/USD) | Inflation Rate (%) | Budget Deficit (% of GDP) | Current Account Deficit (% of GDP) |
|---|---|---|---|---|
| 2012 | 1.9 | 8.6 | 5.2 | 7.3 |
| 2013 | 2.3 | 11.1 | 8.3 | 9.4 |
| 2014 | 3.2 | 15.0 | 10.0 | 12.0 |
Table 2: Selected Macroeconomic Data for IMF Evaluation
| Indicator | Value | IMF Recommendation | Expected Impact |
|---|---|---|---|
| Inflation Rate | 15% | Reduce subsidies | Lower price levels in the long run |
| Budget Deficit | 10% of GDP | Cut public sector wages | Reduced government spending |
| Current Account Deficit | 12% of GDP | Encourage exports | Improve balance of payments |
List two possible consequences of a high inflation rate on an economy.
Using information from Table 1, calculate the percentage change in Ghana’s exchange rate from 2012 to 2014.
Define the term "budget deficit."
Draw a diagram to show the impact of currency depreciation on the price of imported goods.
Using an aggregate demand and aggregate supply (AD-AS) diagram, explain how an increase in government spending on public sector wages can contribute to inflation.
Using a foreign exchange market diagram, explain how an increase in demand for imports affects the value of the Ghanaian cedi.
Using a balance of payments diagram, explain how a rising current account deficit can impact Ghana’s economy.
Using a market failure diagram, explain how reducing subsidies on essential goods might lead to equity concerns.
Using information from the text, tables, and your knowledge of economics, evaluate the effectiveness of IMF-recommended policies in addressing Ghana’s economic challenges.
Explain two single indicators used to measure economic growth.
Using real-world examples, evaluate the effectiveness of using composite indicators in assessing economic development.
Explain how the Human Development Index (HDI) measures economic development.
Using real-world examples, discuss the challenges of measuring economic development.
Using the circular flow of income model, explain the different approaches to national income accounting.
Using real-world examples, discuss the view that a rise in the GNP/GNI per capita will always lead to a rise in living standards in an economy.
Algeria is a North African country whose economy has traditionally relied on hydrocarbon exports, primarily oil and natural gas. In recent years, the Algerian government has undertaken significant policy reforms to diversify the economy, reduce unemployment, and alleviate poverty especially in rural areas. Despite these efforts, challenges related to public finances, income distribution, and trade barriers remain.
After an uptick in oil prices between 2019 and 2021, the Algerian government increased public spending on infrastructure, including road construction and energy projects. Authorities hope these projects will boost competitiveness and stimulate manufacturing and service sectors over the longer term. However, the resulting larger budget deficit has prompted concerns about fiscal sustainability, especially as some new social programs like higher expenditures on household electricity and fuel subsidies remain in place.
To address structural imbalances, policymakers have also turned to trade policy. Algeria introduced new import tariffs on selected food products, aiming to protect domestic producers of staples such as wheat and dairy. Certain agricultural producers favor these tariffs for ensuring higher local prices, but critics worry about potential increases in consumer costs and reduced choice. Meanwhile, the government maintains a price floor on wheat to safeguard farmers’ incomes. Although this policy aims to support domestic agriculture, some analysts suggest it could lead to surpluses if local production outstrips demand.
High unemployment registering above 14% in some reports and persistent income inequality continue to pose social and economic challenges. The Gini coefficient, used to measure income distribution, remains relatively high, indicating that wealth is unevenly spread across urban and rural areas. A significant portion of Algeria’s rural population still experiences low incomes, often attributed to limited access to quality education and inadequate health infrastructure. Poverty rates remain more pronounced in the country’s southern and remote highland regions, where opportunities in non-hydrocarbon sectors are less available.
Algeria’s currency, the dinar, tends to fluctuate with the international oil market. In years of strong export revenues, the dinar has appreciated, improving the current account balance but sometimes making non-oil exports less competitive. When oil prices fall, foreign exchange revenues drop, and the dinar frequently depreciates. This volatility contributes to uncertainty for foreign investors. Although foreign direct investment (FDI) flows have increased in industrial projects near major ports, many local businesses emphasize that limited credit access and bureaucratic barriers hamper expansion.
On the developmental front, the government has set up programs to improve educational outcomes and vocational training, especially in underserved areas. Yet a cycle of low literacy, poor job prospects, and persistent poverty continues in some regions. Economists and international organizations point to a “poverty cycle” in rural Algeria, where limited educational opportunities constrain productivity growth, resulting in low incomes that, in turn, impede access to improved living conditions.
Table 1: Selected Macroeconomic Indicators for Algeria (2019–2022)
| Indicator | 2019 | 2020 | 2021 | 2022 |
|---|---|---|---|---|
| Real GDP Growth Rate (%) | 1.3 | -4.8 | 4.0 | 3.2 |
| Unemployment Rate (%) | 13.5 | 14.7 | 14.2 | 14.0 |
| Inflation Rate (%) | 3.4 | 2.5 | 4.8 | 6.0 |
| Budget Deficit (% of GDP) | -6.5 | -9.2 | -7.3 | -7.8 |
| Exchange Rate (DZD per US$) | 118 | 128 | 133 | 136 |
Table 2: Income Distribution and Poverty Data
| Indicator | 2019 | 2020 | 2021 | 2022 |
|---|---|---|---|---|
| Gini Coefficient | 0.39 | 0.40 | 0.40 | 0.41 |
| Population Below National Poverty Line (%) | 5.1 | 5.4 | 5.3 | 5.5 |
| Average Rural Household Income (DZD/month) | 38 000 | 36 200 | 37 500 | 37 700 |
| Share of Oil/Gas in Total Export Earnings (%) | 93 | 92 | 90 | 88 |
Define the term budget deficit, mentioned in the text (paragraph 2).
Define the term tariff, mentioned in the text (paragraph 3).
Using information from Table 1, calculate the percentage change in the unemployment rate from 2019 to 2022.
Sketch a supply and demand diagram to show how the government’s price floor on wheat (mentioned in paragraph 3) could result in a surplus of wheat.
Using an AD/AS diagram, explain how Algeria’s investment in infrastructure (paragraph 1) might shift the country’s long-run aggregate supply (LRAS).
Using a demand and supply of currency diagram, explain how changes in oil export revenues (paragraph 5) are likely to affect the exchange rate of the Algerian dinar.
Using a Lorenz curve diagram, explain the implications of the changes in the Gini coefficient shown in Table 2.
Using a poverty cycle diagram, explain how limited access to education in rural Algeria (paragraph 6) can perpetuate low incomes over time.
Using information from the text/data and your knowledge of economics, evaluate the potential impact of Algeria’s newly introduced import tariffs on selected food products (paragraph 3).
Country A has seen a significant increase in the consumption of soft drinks, leading to concerns about rising health issues such as obesity and diabetes. To address this, the government introduced a 20% excise tax on sugary beverages, aiming to reduce consumption. The tax has resulted in an increase in the price of soft drinks by 15% and a 10% decline in quantity demanded.
Some beverage companies have adapted by offering low-calorie alternatives, while others have lobbied for tax exemptions, arguing that the tax disproportionately affects low-income households. Meanwhile, the government has launched public health campaigns and introduced $50 million in subsidies for local farmers to grow fruits and vegetables, aiming to promote healthier diets and reduce dependency on sugary beverages.
Table 1: Price and Quantity of Soft Drinks in Country A Before and After Tax
| Variable | Before Tax | After Tax |
|---|---|---|
| Price per Liter ($) | 1.50 | 1.73 |
| Quantity Demanded (million liters) | 100 | 90 |
| Government Revenue ($ million) | 0 | 18 |
Country B is a member of a regional economic bloc that recently transitioned from a free trade area to a customs union. This change led to the removal of tariffs on intra-bloc trade and the introduction of a 10% common external tariff on imports from non-member countries.
Trade within the bloc has flourished, with exports increasing by 25%. However, some domestic businesses struggle to compete with larger firms from neighboring countries. Additionally, while integration has boosted investment in infrastructure and renewable energy, it has widened income inequality between urban and rural areas, as rural communities lack access to the same economic opportunities.
Table 2: Trade and Income Inequality in Country B
| Economic Indicator | Before Customs Union | After Customs Union |
|---|---|---|
| Intra-bloc Exports ($ billion) | 20 | 25 |
| Average Tariff on Imports (%) | 5 | 10 |
| Gini Coefficient | 0.38 | 0.42 |
Using information from Table 1, calculate the price elasticity of demand (PED) for soft drinks in Country A. Show all working.
Explain how the tax on sugary beverages affects consumer behavior and market outcomes using economic theory.
Using information from Table 2, calculate the percentage change in intra-bloc exports after the transition to a customs union.
Using information from Table 2, calculate the change in the Gini coefficient after the transition to a customs union.
Define the term Keynesian multiplier.
Calculate the government’s revenue from the tax on sugary beverages in Country A using the data in Table 1.
Sketch a supply and demand diagram to illustrate the possible effect of the tax on the soft drink market in Country A.
Using information from the text, explain how economic integration in Country B affects income inequality.
Using the text/data provided and your knowledge of economics, recommend one policy to address the health concerns related to the rising consumption of sugary drinks in Country A and one policy to reduce income inequalities caused by regional economic integration in Country B.
Explain, using a production possibilities curve (PPC) diagram, how economic development can be achieved without economic growth.
Using real-world examples, discuss the view that economic growth always leads to a rise in living standards.