Explain, using an example, why a government decision involves an opportunity cost. [4]
A government has limited tax revenue but unlimited demands on its spending, so it faces scarcity and must choose (1). If it decides to spend $2 billion on building a new airport (1), those same funds and resources cannot be used for other purposes (1). The opportunity cost is the next best alternative forgone, for example the new hospitals that could have been built with that money instead (1).

The price of a bus pass rises from $40 to $50 and monthly sales fall from 2000 to 1800. % change in price = 10 ÷ 40 × 100 = +25%. % change in quantity = −200 ÷ 2000 × 100 = −10%. PED = −10 ÷ 25 = −0.4, so demand is price inelastic. Revenue rises from $80 000 to $90 000.

Explain how an indirect tax on petrol could reduce an external cost. [4]
Burning petrol creates an external cost, such as air pollution and CO₂ emissions that harm third parties (1). An indirect tax raises the costs of sellers, shifting the supply curve to the left (1). This increases the price of petrol, causing a contraction in quantity demanded (1). With less petrol consumed, fewer emissions are produced, so the external cost falls and resources are allocated closer to the socially efficient level (1). However, as demand for petrol is price inelastic, the fall in consumption may be small.

A bakery pays rent of $600 a week. Each loaf costs $0.80 in ingredients and energy and sells for $2.00. It sells 1,000 loaves.

• VC = 1,000 × $0.80 = $800; TC = $600 + $800 = $1,400
• ATC = $1,400 ÷ 1,000 = $1.40 per loaf; AFC = $0.60
• TR = 1,000 × $2.00 = $2,000; Profit = $2,000 − $1,400 = $600
• If output doubles to 2,000, AFC falls to $0.30 and ATC to $1.10: fixed costs are spread over more units.

Explain why a surgeon usually earns more than a shop assistant. [4]
A surgeon needs many years of training and high qualifications, so few people are able to enter the occupation and the supply of surgeons is low. The demand for surgeons is high because their skills are essential and their productivity (value of output) is great. High demand and low supply result in a high equilibrium wage. In contrast, shop assistant work requires little training, so supply is large, and each assistant can be replaced easily, so the equilibrium wage is lower.

Explain how a cut in income tax might reduce unemployment. [4]
A cut in income tax increases households’ disposable income. With more disposable income, consumers spend more on goods and services, increasing aggregate demand. Firms respond to higher demand by increasing output, and because labour is a derived demand they need to hire more workers. This reduces cyclical unemployment. A lower tax rate may also increase the incentive to work, encouraging people to take up jobs.

Explain two reasons why an ageing population may reduce a country’s economic growth. (4 marks)
First, an ageing population means a smaller proportion of people are of working age. The labour force shrinks, so the country has fewer workers to produce goods and services, reducing its productive capacity and real GDP. Second, the government has to spend more on state pensions and healthcare for the elderly. This may require higher taxes on workers and firms, reducing incentives to work and invest, or it may mean less government spending on infrastructure and education, which lowers future growth.

Goods balance −$40bn, services balance +$25bn, primary income +$5bn, secondary income −$8bn.
Current account balance = −40 + 25 + 5 − 8 = −$18bn (a deficit).

Explain how a rise in a country’s inflation rate could cause a current account deficit. (4 marks)
If the country’s inflation rate rises above that of its trading partners, its goods and services become relatively more expensive. Foreign buyers switch to cheaper products from other countries, so the value of the country’s exports falls. At the same time, domestic consumers find imports relatively cheaper than domestically produced goods, so spending on imports rises. With export revenue falling and import spending rising, debits exceed credits, causing a deficit on the trade in goods and services and so on the current account.

Define the economic problem.

The economic problem is the situation in which there are unlimited wants but only limited (finite) resources to satisfy them, which creates scarcity and means choices have to be made.

Define, with an example, a capital good.

A capital good is a man-made good that is used to produce other goods and services, rather than being consumed for its own sake. For example, a delivery van used by a bakery or a tractor used on a farm.

Explain the economic problem and why it is always likely to exist.

The economic problem is that people’s wants are unlimited, while the resources available to satisfy them (land, labour, capital and enterprise) are limited. This creates scarcity, so societies must decide what to produce, how to produce it and for whom.

It is always likely to exist because human wants keep growing: as incomes rise and new products are invented, people want more and better goods and services, such as newer phones or foreign holidays. At the same time, resources remain finite, and some, such as oil and minerals, are non-renewable and are being used up. Even if an economy grows, wants grow too, so there will never be enough resources to satisfy all wants and choices will always have to be made.

Explain two causes of a decrease in enterprise in an economy.

First, higher taxes on profits (corporation tax) reduce the reward for risk-taking. If entrepreneurs keep a smaller share of any profit they make, fewer people will think it worth risking their savings to start or expand a business, so the amount of enterprise falls.

Second, a recession or economic uncertainty makes it more likely that new businesses will fail. When demand is falling and the future is unclear, potential entrepreneurs expect lower sales and profits, and banks become less willing to lend to them, so fewer new firms are set up. Emigration of skilled, ambitious people is another cause, since it removes potential entrepreneurs from the economy.

Explain one reason why the quantity of land may increase and one reason why the quality of land may increase.

Quantity: land reclamation, such as draining marshland or reclaiming land from the sea, creates new usable land. Similarly, the discovery of new natural resources, such as a new oil or gas field, increases the quantity of land (natural resources) available for production.

Quality: the use of fertilisers, irrigation and better farming techniques can make existing soil more productive, so each hectare of land yields a larger output. Reducing pollution or reversing soil erosion, for example by replanting trees, would also improve the quality of land over time.

Explain how opportunity cost is different for economic goods and free goods.

Opportunity cost is the next best alternative given up when a choice is made. An economic good is produced using scarce resources, so producing or buying it has an opportunity cost: the resources used to make a car could have been used to make something else, and the money a consumer spends on it could have bought another product.

A free good, such as air or sunlight, is not scarce: it is available in unlimited quantity and needs no resources to produce. Using more of it does not mean giving anything else up, so a free good has zero opportunity cost.

Explain the difference between a point inside a PPC and a point outside a PPC.

A point inside a PPC shows that the economy is not using all of its resources, or not using them efficiently. There is spare capacity, such as unemployed workers or idle machinery, so output could be increased without giving up any of the other good.

A point outside a PPC shows a combination of goods that the economy cannot currently produce with its existing resources and technology. It is unattainable at present and could only be reached if the PPC shifted outwards, through more or better-quality resources, or if the country obtained the goods through trade.

Analyse, using a production possibility curve (PPC) diagram, the effect of a decrease in the size of a country’s labour force on its economy.

Labour is a factor of production, so a fall in the size of the labour force, for example because of emigration or an ageing population, reduces the quantity of resources available to the economy. With fewer workers, the maximum output the country can produce of both capital goods and consumer goods falls. This is shown by the PPC shifting inwards from PPC to PPC1, and the economy moving from a point such as A to B.

This means the country’s productive capacity has fallen, so potential economic growth is negative. Combinations that were previously attainable, such as A, are now outside the new curve. Fewer goods and services can be produced, which may reduce living standards unless output per worker rises. Firms may face labour shortages, which push up wage costs and prices, and the government may receive less income tax revenue while facing continued spending demands. The economy may also have to import more to meet domestic demand, worsening its current account.

Analyse, using a production possibility curve (PPC) diagram, the effect of an increase in enterprise on an economy.

Enterprise is the factor of production that organises land, labour and capital and takes the risks of production. An increase in enterprise means more people are willing to set up and run businesses. New firms bring previously idle resources into use and combine factors in new, more efficient ways, and entrepreneurs often introduce new products and technology. This increases both the quantity and the productivity of resources used, so the economy’s productive capacity rises. The PPC shifts outwards from PPC to PPC1, allowing a move from A to B, where more of both capital and consumer goods can be produced.

As a result, the economy experiences economic growth. Higher output creates more jobs, so unemployment may fall, and higher incomes can raise living standards. Competition from new firms can also lower prices and improve quality for consumers, and the government gains more tax revenue from higher profits and incomes, which it can spend on education or healthcare. Innovative firms may also sell abroad, increasing exports.

Analyse the influences on the mobility of two factors of production.

Labour can be geographically and occupationally mobile. Its geographical mobility (moving between places) is influenced by differences in the cost of housing, family and social ties, and access to information about jobs elsewhere. If housing in the area with vacancies is much more expensive, a worker may be unable to move there, so unemployment in one region can exist alongside labour shortages in another. Its occupational mobility (moving between jobs) depends on skills, qualifications and training. A coal miner who loses his job may lack the skills to become a software engineer, so he stays unemployed unless he retrains. Government training schemes and better education therefore increase labour mobility and help resources move to where they are most needed.

Capital mobility depends on the type of capital. Some capital is occupationally mobile: a computer or a delivery van can be used in many different industries. Other capital is specialised, such as a car-assembly robot or an oil rig, and cannot easily be switched to other uses, so it has low occupational mobility. Geographical mobility is also influenced by size and weight: laptops can be moved easily, while factories, dams and railway lines are fixed in one place. When capital is immobile, it may stand idle if demand for what it produces falls, leaving the economy producing inside its PPC.

Discuss whether or not an ageing population is a benefit to an economy.

Why it may be a benefit. An ageing population means older people form a rising proportion of the population. Older workers often have valuable experience and skills. If they stay in work for longer, their experience can raise productivity and help train younger workers, increasing the quality of the labour force. Also, many older people have built up savings and pensions and spend them on goods and services such as healthcare, travel and leisure. This creates demand for new industries (sometimes called the “silver economy”), which encourages firms to invest and creates jobs. In addition, retired people often care for grandchildren or volunteer, freeing younger family members to work.

Why it may not be a benefit. An ageing population usually means a smaller share of people are of working age, so the dependency ratio rises. Fewer workers must support more dependants, so the labour force may shrink, causing labour shortages that push up wage costs and reduce the economy’s productive capacity, shifting the PPC inwards. Furthermore, the government must spend more on state pensions and healthcare while receiving less income tax from a smaller workforce. This creates pressure to raise taxes, cut other spending such as education or infrastructure, or borrow more, which may reduce incentives to work and harm future economic growth. Older workers may also be less occupationally mobile and less willing to retrain in new technologies.

Conclusion. An ageing population is more likely to be a burden than a benefit if it causes the labour force to shrink quickly while pension and health costs rise. However, it depends on how the economy responds: if the retirement age is raised, older people stay healthy and productive, immigration adds working-age people, and firms adopt labour-saving technology, the costs can be managed and the spending of older people can even boost demand. It also depends on the speed of ageing, since a gradual change gives the government time to plan.

State the formula used to calculate PED.

PED = percentage change in quantity demanded ÷ percentage change in price.

Explain two reasons why the price of sugar may fall.

Increase in supply. A good harvest, caused by favourable weather or better fertilisers, raises the quantity of sugar cane produced at every price. The supply curve shifts to the right, so at the old price there is a surplus of sugar. Sellers cut the price to clear the excess stock, so the equilibrium price falls.

Decrease in demand. Health campaigns warning about obesity and diabetes, or a sugar tax on soft drinks, change tastes away from sugary products. Demand for sugar falls at every price, shifting the demand curve to the left. This creates a surplus at the original price, and competition between sellers pushes the price down.

Explain two causes of a shift to the right in the demand curve for fish.

A rise in the price of a substitute such as meat. If beef and chicken become more expensive, fish becomes relatively cheaper. Some consumers switch from meat to fish, so more fish is demanded at every price and the demand curve shifts right.

A change in tastes in favour of fish. If reports show that eating oily fish is good for heart health, or consumers switch away from meat for environmental reasons, fish becomes more desirable. People are willing and able to buy more fish at each price, so demand increases and the curve shifts right.

(Other creditworthy causes: a rise in incomes, as fish is a normal good; a fall in the price of a complement such as rice or chips; a rise in population; successful advertising.)

Explain what effect more firms producing tyres would have on the PED of individual firms’ tyres.

More firms producing tyres would make the demand for each individual firm’s tyres more price elastic. With more producers, consumers have a greater number of close substitutes to choose from. If one firm raises its price, buyers can easily switch to a rival’s similar tyres, so the firm would lose a large proportion of its sales. The percentage change in quantity demanded would be greater than the percentage change in price, so PED would rise (in absolute value) above 1. As a result, each firm has less power to raise prices and would be under pressure to keep prices low or to differentiate its tyres through branding or quality.

Explain how market forces will eliminate a surplus and a shortage.

Surplus. A surplus occurs when the price is above equilibrium, so quantity supplied is greater than quantity demanded. Sellers are left with unsold stock, so they lower their price. As the price falls, quantity demanded extends and quantity supplied contracts until the two are equal at the equilibrium price and the surplus disappears.

Shortage. A shortage occurs when the price is below equilibrium, so quantity demanded is greater than quantity supplied. Consumers compete for the limited goods and sellers realise they can charge more, so the price rises. The higher price causes quantity demanded to contract and quantity supplied to extend until the market clears at equilibrium.

Explain two ways a firm could increase the productivity of its workers.

Training. The firm could provide on-the-job or off-the-job training. This improves workers’ skills and knowledge, so they work faster, make fewer mistakes and can operate more advanced equipment. Output per worker per hour therefore rises.

Investing in better capital. The firm could buy more advanced machinery or technology, such as automated production lines or faster computers. Each worker then has more and better capital to work with, which allows them to produce more output in the same time, raising labour productivity.

(Other valid ways: incentive schemes such as piece rates or bonuses, improving working conditions and motivation, better management and organisation of tasks through division of labour.)

Analyse, using a demand and supply diagram, the effect of an increase in demand for cars on the market for tyres.

Cars and tyres are complements (joint demand): every new car needs tyres, and more cars on the road means more replacement tyres are needed. So an increase in demand for cars leads to an increase in demand for tyres at every price.

In the diagram the demand curve for tyres shifts to the right from D to D1. At the original price P there is now a shortage, because quantity demanded exceeds quantity supplied. Tyre buyers (car manufacturers and motorists) compete for the limited supply, pushing the price up. The higher price gives tyre producers an incentive to produce more, so quantity supplied extends along the supply curve S. A new equilibrium is reached where D1 crosses S, at a higher price P1 and a higher quantity Q1.

As a result, tyre producers’ revenue rises (both price and quantity sold increase), which may raise their profits, attract new firms into the industry and increase demand for the rubber and labour used to make tyres. The size of the price rise depends on the PES of tyres: if supply is elastic, most of the effect is on quantity rather than price.

Analyse why an actor may decide to become a teacher.

Workers choose an occupation by weighing up its wage and non-wage factors.

Wage factors. Most actors earn low and irregular incomes: they are paid per role and may spend long periods with no work. There is a large supply of people wanting to act relative to demand, which keeps the typical wage low. Teachers, by contrast, usually receive a regular salary on a pay scale, often with annual increments and a pension. An actor who wants a higher and more predictable income may therefore switch to teaching, because the expected lifetime earnings are greater and allow them to plan borrowing, such as a mortgage.

Non-wage factors. Teaching offers greater job security, since there is continuous demand for teachers and posts are often permanent contracts, whereas acting jobs are temporary. Teachers usually have long holidays and regular hours rather than evening and weekend performances and touring away from home, which can suit someone with a family. Teaching can also offer job satisfaction from helping young people and clear promotion prospects, for example to head of department.

Transferable skills. An actor already has skills in communication, confidence and presenting to an audience, so the cost of retraining (for example, a teaching qualification) may be relatively low, making the move easier. Occupational mobility is higher when skills overlap. Overall, if the combined wage and non-wage benefits of teaching exceed those of acting, the actor will change occupation.

Discuss whether or not demand for coffee is likely to rise in the future.

Why demand may rise.

Incomes are rising in many developing and emerging economies, such as China and India. Coffee, especially café coffee, is a normal good, so as real incomes grow consumers can afford to buy more of it at every price. The demand curve shifts to the right.

Tastes are also changing. Coffee-shop culture is spreading, and advertising by large chains and social media promotes coffee as a lifestyle product. Population growth in countries with a young, urban population also adds more potential consumers. Both increase the number of people willing and able to buy coffee.

Why demand may not rise.

Health concerns about too much caffeine could shift tastes towards substitutes such as herbal tea, fruit juice or water, reducing demand for coffee. If the price of a close substitute such as tea falls, some consumers will switch away from coffee.

Climate change may reduce the supply of coffee beans, as coffee plants are sensitive to rising temperatures and droughts. This would raise the price of coffee, causing a contraction in quantity demanded (a movement along the curve). A recession would also reduce incomes and cut spending on non-essential purchases such as café coffee.

Conclusion. Demand for coffee is likely to rise overall, because the growth in incomes and population in emerging economies is a long-term trend that outweighs health concerns in most markets. However, it depends on the country: in high-income countries where consumption is already high, demand may be stable or fall as tastes shift, and it also depends on whether a future recession cuts incomes.

Discuss whether or not skilled workers are always paid more than unskilled workers.

Why skilled workers are usually paid more.

The supply of skilled workers is limited. Skills such as those of surgeons or engineers take years of education and training to acquire and require particular abilities, so few people can do the job. The supply of labour is low and inelastic, which pushes the wage up.

Skilled workers also tend to have high productivity: they produce more output, or output of greater value, per hour. Firms’ demand for labour is a derived demand, so they are willing to pay a high wage to workers who add a lot of revenue. High demand combined with low supply gives a high equilibrium wage.

Why skilled workers are not always paid more.

Demand for some skills can be low or falling. A skilled craftworker in a declining industry, or a worker whose skill has been replaced by automation, may earn less than an unskilled worker in a booming sector, because the derived demand for their labour has fallen.

Wages also depend on bargaining power and government. Unskilled workers in an industry with a strong trade union may win higher pay than non-unionised skilled workers, and a national minimum wage can raise unskilled pay. In some public-sector jobs, such as nursing or teaching, skilled workers are paid by government pay scales that may be lower than the wages of unskilled workers doing dangerous or unpleasant work, such as offshore oil labourers who receive compensation for poor conditions. Some skilled workers also accept lower pay for non-wage benefits, such as job satisfaction.

Conclusion. Skilled workers are usually, but not always, paid more. It depends on the demand for the skill relative to its supply: a skill that is in short supply and highly valued by employers earns a high wage, but where demand for a skill is low, or unskilled workers have strong unions, dangerous conditions or minimum wage protection, the gap can narrow or reverse.

Discuss whether all monopolies have low costs of production.

Why monopolies may have low costs.

A monopoly is the single or dominant supplier in its market, so it usually produces on a very large scale. This allows it to benefit from economies of scale: for example, bulk-buying discounts on raw materials (purchasing economies), cheaper borrowing because lenders see it as low risk (financial economies) and the use of specialist, efficient machinery (technical economies). Average costs fall as output rises.

A monopoly can also earn supernormal profits in the long run because barriers to entry stop new firms entering. It can use these profits to fund research and development, leading to new, more efficient production methods that cut costs further. Natural monopolies, such as water supply networks, have very high fixed costs, so one firm supplying the whole market has the lowest average cost.

Why monopolies may not have low costs.

Without competition, a monopoly has little incentive to keep costs down. It can survive while being inefficient, for example by overstaffing, paying managers high salaries or using out-of-date equipment, because customers have no alternative supplier. Rising costs can simply be passed on as higher prices.

A monopoly may also grow so large that it suffers diseconomies of scale: communication becomes slower, management becomes harder to coordinate and workers feel less motivated, so average costs rise. In addition, a monopoly in a small local market (such as the only shop on an island) may not be large enough to gain significant economies of scale at all.

Conclusion. Not all monopolies have low costs. It depends on their size and on whether they face pressure to be efficient: a large monopoly that reinvests profits and faces the threat of regulation or potential competitors is likely to have low costs, whereas a protected monopoly with no competitive pressure, or one that has grown too large, may have high costs.

Discuss whether or not a firm should have growth as its main objective.

Why growth should be the main objective.

Growth allows a firm to benefit from economies of scale. As output increases, average costs fall through bulk buying, specialist machinery and cheaper finance. Lower costs allow the firm to cut prices, compete more strongly and earn higher profits in the long run.

A larger firm also gains market share and becomes more secure. It is less likely to be taken over or forced out of business, it can spread risk by diversifying into different products and markets, and it has more power when negotiating with suppliers. Managers may also gain status and higher salaries from running a larger firm.

Why growth should not be the main objective.

Chasing growth can reduce profits in the short run. Expanding requires heavy spending on new premises, machinery and marketing, and the firm may cut prices to win sales. Shareholders usually want profit maximisation, so they may be unhappy if dividends fall. If the firm grows too large, it may suffer diseconomies of scale, such as poor communication and low worker motivation, pushing average costs up.

Other objectives may be more important depending on the situation. A new firm or one in a recession may need survival as its main aim, keeping costs low and cash available. Some firms aim for social welfare or environmental sustainability, for example reducing carbon emissions, which rapid expansion could undermine. Small firms may deliberately stay small to keep personal control and offer a specialised service.

Conclusion. Growth is a sensible main objective for an established, financially strong firm in a growing market where economies of scale are significant. However, it depends on the firm’s stage and circumstances: for a new firm or one facing a downturn, survival or profit should come first, and growth is only worthwhile if it does not lead to diseconomies of scale or conflict with owners’ aims.

Explain how government spending on training may increase tax revenue in the long run.

Government spending on training improves the skills of the labour force, which raises labour productivity and occupational mobility. Better-trained workers are more attractive to employers, so unemployed people are more likely to find jobs, and existing workers can move into higher-skilled, better-paid occupations.

More people in work and higher wages mean higher incomes, so the government collects more income tax. Workers with higher incomes also spend more, which increases revenue from indirect taxes such as VAT or sales tax. In addition, a more productive workforce lowers firms’ costs and raises their profits, increasing corporation tax revenue. Fewer people claiming unemployment benefits also frees up government funds. Because training takes time to have an effect, this increase in tax revenue happens in the long run rather than immediately.

Explain two reasons why governments redistribute income.

To reduce poverty. In a market economy some people, such as the unemployed, the sick and the elderly, earn little or no income and cannot afford necessities such as food, housing and healthcare. By taxing high earners progressively and paying benefits to low-income households, the government raises the living standards of the poorest.

To reduce inequality and increase economic welfare. A large gap between rich and poor can cause social tension and crime and may reduce equality of opportunity, since children in poor households may receive less education. An extra dollar gives more benefit to a poor person than to a rich person, so transferring income from rich to poor can raise total welfare and create a fairer society.

(Other creditworthy reasons: to increase spending and aggregate demand, as poorer households spend a higher proportion of their income; to improve health and education and so increase future productivity.)

Analyse how a central bank could reduce inflation.

A central bank can use contractionary monetary policy to reduce inflation, mainly by raising the interest rate (and by reducing the money supply).

A higher interest rate increases the cost of borrowing. Households take out fewer loans and mortgages to buy houses, cars and other consumer goods, and people with existing variable-rate mortgages have to make higher repayments, leaving them with less disposable income. A higher interest rate also increases the reward for saving, so households save more and spend less. As a result, consumer expenditure falls.

Firms also face higher borrowing costs, so some investment projects, such as buying new machinery, become unprofitable and investment falls. In addition, higher interest rates may attract foreign financial capital, raising the exchange rate. This makes imports cheaper, reducing imported cost-push inflation, and makes exports dearer, reducing net exports.

With lower consumption, investment and net exports, total (aggregate) demand in the economy falls. Firms face less demand for their products, so they are less able to raise prices and may offer discounts to sell stock. Workers also have less bargaining power for wage rises. This reduces demand-pull inflation, so the general price level rises more slowly and the inflation rate falls.

Analyse how a central bank could avoid deflation.

Deflation is a sustained fall in the general price level, often caused by weak aggregate demand. A central bank can avoid it by using expansionary monetary policy: cutting the interest rate and increasing the money supply.

A lower interest rate reduces the cost of borrowing. Households are more willing to take out loans and mortgages to buy houses, cars and furniture, and those with existing mortgages pay less each month, leaving more disposable income. Saving earns a lower return, so people are encouraged to spend rather than save. Consumer expenditure therefore increases.

Firms can borrow more cheaply, so more investment projects become profitable and investment rises. Lower interest rates can also cause financial capital to leave the country, lowering the exchange rate. Exports become cheaper abroad and imports become dearer, so net exports rise and imported goods push up the price level.

If the central bank increases the money supply, for example by buying government bonds, banks have more funds to lend, reinforcing the rise in spending. Higher consumption, investment and net exports increase aggregate demand. Firms face stronger demand and can raise prices rather than cut them, so the general price level stops falling and inflation returns to a low positive rate, avoiding deflation.

Analyse the advantages of a low rate of inflation.

International competitiveness. If a country’s inflation rate is low compared with its trading partners, its products become relatively cheaper. Demand for its exports rises and domestic consumers buy fewer imports. This improves the current account of the balance of payments and increases output and employment in export industries.

Certainty and investment. Low and stable inflation makes it easier for firms to predict future costs, prices and profits. With less uncertainty, firms are more confident to invest in capital goods, which increases productive capacity and leads to economic growth in the long run.

Protecting purchasing power. With low inflation, the real value of incomes and savings is not eroded quickly. People on fixed incomes, such as pensioners, keep their standard of living, and savers are not penalised, which encourages saving that banks can lend for investment. There are also fewer menu costs and shoe-leather costs, as firms do not need to change prices frequently.

Advantage over zero or negative inflation. A low positive rate, rather than deflation, means consumers do not delay purchases in expectation of lower prices, and firms’ revenues grow steadily. A small rise in prices can encourage firms to produce more, supporting employment.

Discuss whether or not a fall in a country’s unemployment rate will reduce poverty in that country.

Why it may reduce poverty.

Unemployed people rely on savings or low government benefits, and many live in poverty. When unemployment falls, more people earn a wage, which is usually higher than benefit payments. Their incomes rise, so they can afford necessities such as food, housing and healthcare, and the number of households in poverty falls.

Lower unemployment also helps the government. It pays out less in unemployment benefits and collects more income tax and indirect tax revenue. These funds can be spent on education, healthcare and targeted benefits for the poor, reducing poverty further. Workers who gain jobs also develop skills and experience, raising their future earnings.

Why it may not reduce poverty.

The new jobs may be low-paid, part-time or temporary. Many workers in poverty are already employed (the “working poor”), especially where there is no minimum wage or it is low. If the fall in unemployment is due to more insecure, low-wage jobs, workers may still be unable to afford necessities.

Poverty also affects people who are not in the labour force, such as pensioners, the sick and disabled, and children in large families. A fall in unemployment does not raise their incomes. In addition, unemployment may fall because people have given up looking for work or emigrated rather than because they found jobs. If falling unemployment leads to higher inflation as demand rises, the real incomes of the poor may even fall.

Conclusion. A fall in unemployment is likely to reduce poverty, especially absolute poverty in countries where most poor people are unemployed. However, it depends on the quality and pay of the new jobs, whether there is an adequate minimum wage, why unemployment fell, and whether the government also supports those outside the labour force.

Discuss whether or not supply-side policy measures will encourage firms to operate in an economy.

Why supply-side measures may attract firms.

Education and training policies raise the skills and productivity of the labour force. Firms can produce more output per worker, lowering their average costs, and they can find the skilled workers they need. A productive, skilled workforce is a strong reason for firms, including multinationals, to locate in a country.

Cutting corporation tax and reducing regulation (deregulation) increases firms’ after-tax profits and lowers the cost and time of starting and running a business. Improving infrastructure, such as roads, ports, power supplies and broadband, reduces transport and production costs. Higher expected profits give firms an incentive to set up and expand.

Why supply-side measures may not attract firms.

Many supply-side measures take a long time to have an effect. A new education programme may take ten years or more to produce skilled workers, and large infrastructure projects take years to build, so firms deciding where to locate now may not be influenced.

Firms consider many other factors as well. If demand in the economy is low because of a recession, firms will not operate there even with low taxes, because they cannot sell their output. Political instability, high crime, a volatile exchange rate or better incentives offered by other countries may outweigh the benefits. Some measures may also have side effects: cutting regulations on the environment or workers’ rights may attract firms but cause pollution and damage sustainability, while tax cuts reduce government revenue for infrastructure.

Conclusion. Supply-side measures are likely to encourage firms to operate in an economy in the long run, because they reduce costs and raise productivity. However, it depends on which measures are used, how quickly they take effect and whether other conditions, such as strong demand, political stability and competitive policies compared with other countries, are also present.

Discuss whether or not the fall in the price of a product is a disadvantage to an economy.

Why it may be a disadvantage.

If the product is a major export, such as oil or copper for a country that depends on it, a fall in its price reduces export revenue (particularly if demand is price inelastic, so quantity sold rises by proportionally less than price falls). This worsens the current account of the balance of payments, lowers producers’ profits and can cause firms to cut output and make workers redundant, increasing unemployment and reducing economic growth. Government tax revenue from the industry also falls.

If the price falls because demand has fallen, for example during a recession, it is a sign of a weak economy. If falling prices spread across many products and become deflation, consumers may delay purchases expecting prices to fall further, reducing aggregate demand, output and employment even more.

Why it may not be a disadvantage.

Consumers benefit: a lower price increases their real income and purchasing power, allowing them to buy more of this and other products, raising living standards. If the product is a necessity such as food or fuel, low-income households gain the most.

If the price falls because supply has increased, for example through new technology or lower costs, output and consumption rise, which is a sign of efficiency. If the product is an important raw material or input, such as oil for an importing country, firms’ costs fall, reducing cost-push inflation, making exports more competitive and encouraging higher output and employment. A fall in the price of a product that causes pollution could, however, increase its consumption and harm the environment.

Conclusion. A fall in the price of a product is not necessarily a disadvantage. It depends on why the price fell (higher supply is usually beneficial, lower demand is not), whether the country is mainly a producer or consumer of the product, how important it is to exports, and whether the fall is limited to one product or part of a general deflation.

Analyse the economic effects of a reduction in a country’s export of services.

Exports of services, such as tourism, banking, insurance, transport and education sold to foreigners, bring money into the country and are recorded as credits in the trade in services part of the current account. If these exports fall, for example because foreign tourists stop visiting after a rise in the exchange rate or a global recession, less money flows in. If imports stay the same, the current account moves towards a deficit (or a larger deficit).

Exports are also an injection of spending into the economy, so lower exports reduce aggregate (total) demand. Hotels, airlines and banks sell less, so they cut output and need fewer workers. This leads to higher unemployment and slower, or even negative, economic growth. The workers who lose their jobs have lower incomes, so they spend less in other local businesses, spreading the fall in demand further through the economy.

With less demand, pressure on prices eases, so inflation may fall. Lower incomes and profits also mean the government collects less tax revenue while paying more in unemployment benefits, which can worsen its budget position. Less demand for the currency from foreigners buying the country’s services may cause the exchange rate to depreciate, which could eventually make exports cheaper and help them recover.

Analyse how cleaning up pollution could benefit an economy.

Pollution is an external cost of production and consumption: it harms third parties who are not part of the transaction. Cleaning it up reduces these external costs and moves the economy towards the socially optimum use of resources, supporting the government aim of environmental sustainability.

Cleaner air and water improve people’s health. Fewer people suffer from breathing problems or water-borne diseases, so workers take fewer days off sick and the productivity of the labour force rises. Healthier people also live and work longer. This increases the quality of labour, shifts the economy’s PPC outwards and raises potential economic growth. At the same time, the government and households spend less on treating pollution-related illness, so the government can use the money saved on other services, such as education, and families have more income to spend on other goods.

Cleaning up polluted land and rivers also improves the quality of land as a factor of production. Farmland becomes more fertile and fish stocks recover, raising output in agriculture and fishing. A cleaner environment attracts more tourists and can encourage multinational firms and skilled workers to locate in the country, increasing exports of services, employment and incomes. The clean-up work itself creates jobs. Overall, living standards rise, not just through higher real GDP but through a better quality of life.

Discuss whether or not an increase in a country’s import tariff on rice would increase the output of its domestic rice farmers.

Why output may increase. A tariff is a tax on imports, so a higher tariff raises the price of imported rice in the domestic market. Imported rice becomes less competitive compared with rice grown by domestic farmers, so consumers switch to domestic rice. Higher demand for domestic rice and a higher market price increase the profitability of rice farming, so domestic farmers have an incentive to expand production, for example by planting more land or using more fertiliser, and output rises. New farmers may also be attracted into the industry.

Why output may not increase. Domestic farmers may be unable to expand quickly because supply of rice is price inelastic in the short run: it takes a growing season to plant and harvest, and suitable land and water may be limited. Output may also be held back by poor weather or a lack of capital. In addition, other countries may retaliate by putting tariffs on this country’s exports; if the farmers export some of their rice, they lose foreign sales. If demand for rice is price inelastic and the tariff is small, consumers may carry on buying imported rice they prefer, such as a particular variety, so demand for domestic rice rises only slightly.

Conclusion. The tariff is likely to increase domestic output over time, but by how much depends on the size of the tariff, how easily domestic farmers can increase supply, and whether imported and domestic rice are close substitutes. Output will rise most in the long run, when farmers have had time to expand.

Discuss whether or not an increase in a country’s population will benefit its economy.

Why it may benefit the economy. A larger population, especially one with more people of working age, increases the size of the labour force. More workers raise the economy’s productive capacity, shifting the PPC outwards, and help fill skill shortages. A larger population also means a bigger domestic market, so demand for goods and services rises. Firms can produce on a larger scale and benefit from economies of scale, lowering average costs, and the government collects more tax revenue.

Why it may not benefit the economy. If the population grows faster than the economy’s output, real GDP per head falls and living standards decline. The increase may be mainly children, raising the dependency ratio and requiring more government spending on schools and healthcare. Pressure on scarce resources such as housing, water and farmland can cause shortages, higher prices, congestion and pollution, harming environmental sustainability. If there are not enough jobs, unemployment rises.

Conclusion. Population growth is more likely to benefit an economy that has spare resources, a shortage of workers and the capital to employ extra people productively, as in some high-income countries with ageing populations. It is less likely to benefit a low-income country where output is already growing slowly. It depends on the age structure and skills of the extra people and on whether output grows faster than population.

Discuss whether or not an increase in government subsidies will reduce a deficit on the current account of the balance of payments.

Why it may reduce the deficit. A current account deficit occurs when spending on imports of goods and services (plus outflows of income and transfers) exceeds receipts from exports. A subsidy is a payment from the government to producers, which lowers their costs of production. If subsidies are given to exporting firms, they can lower the prices of their products abroad. This makes exports more price competitive, so foreign demand rises and export revenue increases, as long as demand is price elastic. Higher export earnings reduce the current account deficit.

Subsidies to domestic firms that compete with imports, such as local food producers, allow them to cut their prices. Domestic consumers then switch from imported goods to cheaper domestically produced goods, so spending on imports falls, again reducing the deficit. In the longer run, subsidies for training, research or new technology can raise productivity and quality, making the country’s firms more internationally competitive.

Why it may not reduce the deficit. If demand for the country’s exports is price inelastic, for example because foreign buyers value brand or quality more than price, a small price cut will raise the quantity sold only slightly, and export revenue may even fall. Firms may also keep the subsidy as extra profit rather than lowering prices. Moreover, subsidies must be financed. If the government pays for them by raising taxes or cutting other spending, or by borrowing, other parts of the economy may be harmed. Other countries may regard export subsidies as unfair and retaliate with tariffs on this country’s goods, reducing exports.

Also, if subsidised firms expand production, they may need more imported raw materials and components, so imports rise. And if the subsidy increases incomes in the economy, households may spend more on imported goods. The deficit may also be caused by factors subsidies do not address, such as large outflows of profits to foreign-owned firms or a high exchange rate.

Conclusion. Subsidies can reduce a current account deficit if they are targeted at exporters and import-competing firms with price elastic demand, and if the price reductions are passed on to buyers. They are less likely to work when demand is inelastic, production relies on imported inputs, or trading partners retaliate. On balance, subsidies are more effective as a long-term supply-side measure that raises productivity than as a quick fix, and the result depends on how they are targeted and financed.

Discuss whether or not countries specialising benefits consumers.

Why specialisation may benefit consumers. When countries specialise, they concentrate on producing the goods and services they are best at, for example because of their climate, natural resources or skilled workforce, and trade for the rest. Producing on a larger scale allows firms to gain economies of scale and to become more efficient, so average costs fall. These lower costs can be passed on to consumers as lower prices, raising their real incomes and allowing them to buy more goods and services.

Specialisation and trade also give consumers greater choice and quality. Consumers can buy products their own country cannot make, or cannot make well, such as tropical fruit in a cold country or advanced electronics in a country without the technology. Competition from specialist foreign producers pressures domestic firms to improve quality and innovate, which also benefits consumers.

Why specialisation may not benefit consumers. A country that relies on others for key products becomes dependent on imports. If supply is disrupted, for example by war, a natural disaster, a pandemic or export restrictions in the supplying country, consumers may face shortages and sharp price rises, as happened with some food and energy products in recent years. Transport costs and tariffs may also offset the cost advantage. In addition, over-specialisation can harm consumers as workers: if world demand for the country’s main export falls, or a cheaper producer appears abroad, workers in that industry lose their jobs and incomes. Their occupational immobility can lead to long-term unemployment, reducing their ability to buy goods and services.

Specialisation may also lead to a few large global firms dominating markets. If they gain monopoly power, they may raise prices and restrict choice rather than passing lower costs on. Transporting goods over long distances also increases pollution and CO₂ emissions, an external cost that consumers bear as members of society.

Conclusion. Specialisation generally benefits consumers through lower prices and wider choice, and this is the main reason countries trade. However, the benefit depends on whether cost savings are passed on through competition, how reliable supply chains are, and how diversified the economy is. A country that specialises but keeps several sources of supply and several export industries is most likely to gain without exposing its consumers to excessive risk.