JAMB UTME - Economics - 2025

Infant mortality refers to the death of children under the age of one year. Since it measures deaths, it is a component of the death rate (also called the mortality rate) of a country.

The death rate is defined as the number of deaths per thousand of the population per year. Infant mortality is a subset of overall mortality and is one of the most closely watched indicators within it, as it reflects the quality of healthcare, nutrition, and sanitation in a country.

Net migration refers to the difference between the number of people entering a country (immigrants) and those leaving (emigrants), which has nothing to do with infant deaths. The fertility rate measures the average number of children born per woman, which relates to births, not deaths. The immigration rate measures only the inflow of people into a country from abroad.

Population growth is determined by the formula: Population Growth = (Birth Rate - Death Rate) + Net Migration. Infant mortality feeds into the death rate component of this equation.

In economics, land refers to all natural resources - the soil, minerals, water bodies, forests, climate, and everything provided by nature. On its own, land is passive; it cannot produce goods or services without intervention. Land as a factor of production is made useful through the application of human effort, which in economics is called labour.

Labour is the human physical and mental effort applied to natural resources to transform them into useful goods and services. Without human effort, fertile land would remain uncultivated, mineral deposits would stay underground, and rivers would not be harnessed for irrigation or power. It is the combination of land and labour that initiates the production process.

While fertilizer and machines can enhance the productivity of land, they are specific tools or inputs rather than the fundamental factor that makes land useful. Fertilizer is a material input, and machines represent capital (another factor of production), not the basic force that activates land. Acts of nature create land itself but do not make it productive in the economic sense - that requires deliberate human activity.

Direct taxes are taxes levied directly on the income or wealth of individuals and organizations. Examples include personal income tax, company income tax, capital gains tax, and property tax. While direct taxes have several advantages (such as being equitable and certain), they also have notable disadvantages.

One key disadvantage is that direct taxes can be evaded. Tax evasion occurs when taxpayers deliberately underreport their income, overstate their deductions, hide assets, or fail to file tax returns in order to reduce or eliminate their tax liability. This is possible because direct taxes rely on taxpayers' honest declaration of their earnings, and enforcement agencies cannot always verify every individual's true income.

Self-employed individuals and business owners, in particular, may find it easier to evade direct taxes by keeping transactions off the books or operating in the informal economy.

The other options do not describe disadvantages of direct taxes:

• Being progressive (where higher earners pay a larger percentage) is generally considered an advantage, as it promotes equity.
• "Not being rigid" is not a recognized disadvantage of direct taxes.
• Allocating scarce resources is a function of the price mechanism, not a characteristic of direct taxes.

Capitalism (also called a free market or free enterprise system) is an economic system in which the means of production are privately owned and economic decisions are driven by the profit motive and market forces. One of its key advantages is the efficient allocation of resources.

In a capitalist economy, resources are allocated through the price mechanism. Producers, motivated by profit, direct resources toward goods and services that consumers demand most. Competition among firms drives innovation, reduces waste, and pushes firms to produce at the lowest possible cost. Consumers signal their preferences through their spending decisions, and the market responds accordingly. This decentralised coordination tends to allocate resources more efficiently than central planning.

The other options either describe disadvantages or are inaccurate:

• Private initiative being discouraged contradicts capitalism's core principle - capitalism actively encourages private initiative and entrepreneurship.
• Job security is not assured in capitalism; workers can be hired and fired based on market conditions, which is often cited as a disadvantage.
• Consumer exploitation is a criticism of capitalism (through monopoly power or information asymmetry), not an advantage.

Marginal utility (MU) is the additional satisfaction a consumer gains from consuming one more unit of a good. Total utility (TU) is the cumulative satisfaction from all units consumed. The relationship between them follows a predictable pattern governed by the law of diminishing marginal utility:

• When MU is positive (but declining), each additional unit still adds to total satisfaction, so TU is rising.
• When MU reaches zero, the consumer gains no extra satisfaction from the next unit, and TU is at its maximum.
• When MU becomes negative, additional consumption actually reduces satisfaction, and TU begins to fall.

Therefore, when total utility is falling, marginal utility is negative. This is the correct relationship.

The statement that when TU is maximum, MU is maximum is incorrect - at maximum TU, MU equals zero, not maximum. The claim that when TU is rising, MU is also rising is also incorrect - TU can rise while MU is falling (diminishing), which is exactly what the law of diminishing marginal utility describes. The statement that when TU is falling, MU is rising is contradictory and impossible under the standard utility framework.

Small firms (also called small-scale enterprises) play an important role in the economic development of a country. One of their key advantages is that they render personalised services to consumers. Because small firms deal with a smaller customer base, they can pay individual attention to each customer's needs, build personal relationships, offer customised products, and respond quickly to specific requests. This personal touch is something large-scale enterprises often cannot provide.

Other contributions of small firms to development include:

• Creating employment, especially in rural and semi-urban areas.
• Serving as training grounds for entrepreneurs and workers.
• Filling market niches that are too small for large firms to serve profitably.
• Promoting local resource utilisation and reducing regional inequality.

The other options describe disadvantages or inaccurate statements: producing goods only for the elite limits their developmental impact; not providing after-sales services is a weakness, not a strength; and having high prices would reduce their accessibility and contribution to welfare. None of these would justify claiming that small firms are important for development.

A joint-stock company (also known as a limited liability company) is a business organization where ownership is divided into shares held by shareholders. A defining legal feature of such companies is limited liability.

Limited liability means that in the event of bankruptcy, the shareholders' personal assets are protected. Each shareholder can lose only the capital invested in the company - that is, the amount they paid for their shares. Creditors of the company cannot pursue shareholders' private properties, personal savings, or other assets beyond their shareholding to recover debts.

This is a fundamental distinction from business forms like sole proprietorships and general partnerships, where the owners have unlimited liability and may lose their private properties to settle business debts.

The other options are incorrect:

• Losing private properties applies to unlimited liability businesses.
• Losing only dividends is not a recognized legal consequence of bankruptcy.
• Losing both company and private assets also describes unlimited liability, not the limited liability protection that joint-stock companies provide.

The income approach to calculating Gross National Product (GNP) includes all income earned by the factors of production, i.e.,
rent, wages, interest, and profit. Direct taxes paid by persons and companies are not included in the calculation of GNP. Therefore,
the correct answer is 'direct taxes paid by persons and companies'.

The location of industries is influenced by factors that make production efficient, profitable, and sustainable. Positive locational factors include nearness to the market (which reduces distribution costs), government influence in siting industries (through incentives, industrial estates, or infrastructure provision), and availability of infrastructural facilities such as roads, electricity, and water supply.

Political instability, on the other hand, discourages industrial location. When a country or region experiences frequent political upheaval, investors face risks such as destruction of property, policy reversals, disruption of supply chains, and loss of confidence in the business environment. No rational investor would deliberately locate a factory in an area prone to political violence or sudden changes in government policy that could confiscate assets or void contracts.

Therefore, political instability is the factor that does not encourage the location of industries.

Thomas Malthus, in his 1798 Essay on the Principle of Population, argued that population tends to grow faster than food supply. He identified two types of checks that keep population in balance with available resources:

• Positive checks - factors that increase the death rate, such as famine, disease, war, and epidemics. These are involuntary and painful ways by which population is reduced.
• Preventive checks - voluntary actions that reduce the birth rate, primarily moral restraint, which Malthus defined as delaying marriage and practising abstinence until one could afford to support a family.

Malthus argued that if people adopted moral restraint (the preventive check), population growth would slow voluntarily, and the painful positive checks of famine, disease, and death would be avoided. The preventive check prevents the positive check from operating.

Abolishing marriage is an extreme and impractical suggestion that Malthus never advocated. Reducing the death rate or building more hospitals would counteract positive checks after they occur rather than prevent them - and would actually worsen the population-food imbalance in Malthus's framework by allowing population to grow further.

Privatization is the transfer of ownership and control of government-owned enterprises to the private sector. The standard arguments in favour of privatization include:

• Making businesses more profitable through private-sector efficiency and the profit motive.
• Encouraging the inflow of capital and expertise from both local and foreign investors.
• Allowing members of the public to acquire shares, thereby broadening ownership and participation in the economy.

The statement that the government is able to participate and control the operation of the privatized businesses is not an argument for privatization. In fact, it contradicts the very purpose of privatization. The whole point of privatizing an enterprise is to remove or significantly reduce government involvement in its management and operations. If the government retained control, the enterprise would not be truly privatized - it would remain, in effect, a state-controlled business.

This option describes a feature of public enterprise or partial nationalization, not privatization. In an examination, when asked for the exception in a list, look for the option that contradicts the defining characteristics of the concept.

Economic underdevelopment is characterized by a set of structural weaknesses that keep a country's standard of living low. Typical features include:

• Monocultural economy - heavy dependence on a single product or sector for export earnings, making the economy vulnerable to price fluctuations.
• Low life expectancy - poor healthcare, nutrition, and sanitation lead to shorter average lifespans.
• Income inequality - a wide gap between the rich and the poor, with wealth concentrated in the hands of a few.

High productivity, however, is a hallmark of economically developed countries. Developed nations achieve high output per worker through advanced technology, skilled labour, efficient management, and strong capital investment. Underdeveloped economies, by contrast, suffer from low productivity due to outdated technology, inadequate infrastructure, limited education, and poor capital formation.

Since high productivity is associated with development rather than underdevelopment, it is the feature that does not belong in the list of characteristics of economic underdevelopment.

Population growth rate measures how fast a country's population changes over time. It accounts for both natural change (births and deaths) and net migration (people moving in and out of the country).

The complete formula is:

\[\text{Population growth rate} = (\text{Birth rate} - \text{Death rate}) + (\text{Immigrants} - \text{Emigrants})\]

This can be rewritten as:

\[\text{Population growth rate} = \text{Birth rate} - \text{Death rate} + \text{Immigrants} - \text{Emigrants}\]

The birth rate minus death rate gives the natural increase in population. Adding immigrants (people entering the country) and subtracting emigrants (people leaving the country) gives the net migration effect. Together, these two components determine the overall population growth rate.

The formula "birth rate minus death rate" alone only captures the natural increase rate and ignores migration, so it is incomplete. The other options either misuse terminology (such as subtracting immigration from migration rate, which is redundant) or reverse the signs on immigrants and emigrants.

The location of an industry is determined by several factors that influence where it is most efficient and profitable to set up production. The classical factors include:

• Availability of labour - industries locate where there is an adequate supply of skilled or unskilled workers as required.
• Proximity to market - industries that produce bulky, perishable, or fragile finished goods tend to locate near their consumers to reduce transport costs.
• Nearness to raw materials - industries that use heavy or perishable raw materials locate near the source to minimise input transport costs (weight-losing industries).

Other recognised location factors include availability of power and water, transport infrastructure, government policy, and climate.

The minimum wages rate is not a classical factor determining industrial location. Minimum wage is a government-imposed floor on worker pay and applies uniformly across all locations within a country. While the general cost of labour may influence location decisions, the statutory minimum wage rate does not vary by location in a way that would determine where an industry is sited. It is a labour regulation, not a locational factor.

The equation \( X = a + bY \) is a first-degree (linear) equation in two variables. It follows the standard form of a linear function, where \( a \) is the constant (the intercept on the X-axis when \( Y = 0 \)) and \( b \) is the coefficient that represents the slope - the rate at which \( X \) changes for each unit change in \( Y \).

The graph of any equation of the form \( X = a + bY \) is a straight line, making it linear. Key features of this graph:

• When \( Y = 0 \), \( X = a \), so the line crosses the X-axis at \( a \).
• The gradient (slope) of the line is \( b \).
• If \( b > 0 \), the line slopes upward; if \( b < 0 \), it slopes downward.

A quadratic function involves a squared term (e.g. \( X = aY^2 + bY + c \)) and produces a parabola. An exponential function has the variable in the exponent (e.g. \( X = a \cdot b^Y \)) and produces a curve that grows or decays rapidly. A cubic function involves a cubed term and produces an S-shaped curve. None of these forms match the given equation.

The question asks which function distinguishes commercial banks ("the former") from the central bank. To answer this, you need to identify which activity is performed by commercial banks but not by the central bank.

Accepting deposits from the public is the core business of commercial banks. They operate current accounts, savings accounts, and fixed deposit accounts for individuals and businesses. The central bank does not provide these retail banking services to the general public; it deals primarily with the government and other banks.

The remaining options describe functions of the central bank:

• Servicing the public debt - the central bank manages government borrowing, issues government securities, and handles debt repayment on behalf of the government.
• Regulating foreign exchange - the central bank controls the country's foreign exchange reserves and manages the exchange rate.
• Acting as a lender of last resort (likely intended by "leader of last resort") - the central bank provides emergency lending to commercial banks facing liquidity crises.

Since accepting deposits from the public is a commercial bank function that the central bank does not perform, it is the distinguishing feature.

The United Nations Conference on Trade and Development (UNCTAD) is the institution specifically concerned with expanding developing countries' commodity trade. Established in 1964, UNCTAD's core mission is to help developing nations integrate more effectively into the global economy, with particular attention to their commodity exports.

UNCTAD works to:

• Stabilize commodity prices that developing countries depend on for export revenue
• Negotiate preferential trade agreements that give developing country exports better access to developed-country markets
• Address the deterioration in terms of trade faced by commodity-exporting developing nations
• Provide technical assistance to help developing countries diversify their trade

While the other organizations play important roles in development, their primary mandates differ:

• The World Trade Organization (WTO) sets and enforces global trade rules for all member countries, not specifically for developing nations' commodity trade.
• The Economic Commission for Africa (ECA) is a regional UN body focused broadly on African economic and social development.
• The African Development Bank (AfDB) provides financing for development projects in Africa, rather than specifically expanding commodity trade.

Large-scale agriculture involves farming on extensive areas of land using modern, mechanized methods to maximize output. Its advantages include:

• Use of sophisticated implements such as tractors, combine harvesters, and irrigation systems, which increase efficiency and yield.
• Integration of crop and animal farming, which allows diversification, reduces risk, and makes use of animal waste as manure.
• Increase in employment, as large farms require workers for various specialized roles including machine operation, management, processing, and distribution.

The use of simple implements (such as hoes, cutlasses, and hand tools) is characteristic of small-scale or subsistence farming, not large-scale agriculture. In fact, one of the defining features of large-scale farming is the replacement of simple hand tools with advanced machinery to achieve greater productivity per hectare and per worker.

Therefore, the use of simple implements is not an advantage of large-scale agriculture.

Inflation can be classified by its cause into two main types: demand-pull inflation and cost-push inflation.

Cost-push inflation occurs when the general price level rises because of an increase in the cost of production. When it becomes more expensive for firms to produce goods and services - due to rising wages, higher raw material prices, increased energy costs, or higher taxes on producers - firms pass these increased costs on to consumers in the form of higher prices. The supply curve shifts to the left, meaning less output is supplied at every price level, and the overall price level rises.

A rise in demand for goods describes demand-pull inflation, not cost-push inflation. A decrease in the cost of production or a decrease in transportation cost would reduce production expenses and, if anything, lower prices rather than cause inflation.

Common triggers of cost-push inflation include oil price shocks, currency depreciation (which raises the cost of imported inputs), and wage increases that outpace productivity growth.

The Economic Community of West African States (ECOWAS), established in 1975, aims to promote economic integration and cooperation among its member states. Its major achievement has been widening the market for goods produced within the region.

By reducing trade barriers among member countries, ECOWAS has created a larger regional market that allows goods produced in one member state to be sold more easily across the region. This expanded market benefits producers by giving them access to a larger customer base, which can support economies of scale and encourage greater production and investment.

ECOWAS has not achieved a common currency across all member states. While there have been plans and discussions about a common currency (the Eco), it has not been implemented across the community. The suggestion that ECOWAS increased members' allegiance to former colonial masters is incorrect; ECOWAS was created partly to reduce such dependence and strengthen intra-African cooperation. While ECOWAS facilitates some capital mobility through its protocols on free movement of persons, goods, and capital, this has not been its most prominent achievement compared to the market-widening effect.

For something to qualify as money, it must satisfy several key characteristics, one of the most important being general acceptability. Money must be widely accepted by all members of a society as a medium of exchange in transactions for goods and services.

Cheques are not money because they are not generally acceptable as a medium of exchange. A cheque is merely an instruction to a bank to transfer funds from one account to another. Not everyone will accept a cheque in payment - a market trader, a taxi driver, or a small shop may refuse it. A cheque can also bounce if the drawer has insufficient funds, which makes it less reliable than cash. For these reasons, cheques function as a means of transferring money rather than being money itself.

The fact that cheques are used during business hours is not the defining reason they are excluded from being money - many forms of payment have time limitations. The scarcity of banks in rural areas is a practical challenge but does not address the definitional issue. Government issuance is not a strict requirement for something to be money; coins and notes are issued by the central bank, but the key test remains general acceptability.

This question requires you to reason about how simultaneous high death rates at the extremes of the age spectrum affect the population's age structure, assuming no migration.

When the death rate for old people is high, the elderly population shrinks rapidly. When the infant mortality rate is also high, many newborns and very young children die before reaching older childhood. With no migration to alter the numbers, the people who survive in largest numbers are those in between these two vulnerable groups - the younger people (broadly, adolescents and young adults who have passed the dangerous infant years but have not yet reached old age).

The result is a population structure with a bulge in the younger working-age bracket. Children are fewer because many die in infancy, and old people are fewer because of their high death rate. The population therefore has a higher proportion of younger people.

Note that "younger people" here is distinct from "children" - children include infants whose numbers are being reduced by the high infant mortality rate.

The statement that is not a feature of a monopoly is that buyers and sellers are price takers. This characteristic belongs to perfect competition, not to monopoly.

In a monopoly, there is only one seller who has significant market power. Because the monopolist faces no competition, it is a price maker, not a price taker. The monopolist can set the price of the commodity by controlling the quantity supplied, since consumers have no alternative supplier to turn to.

The phrase "buyers and sellers are price takers" describes perfect competition, where there are so many buyers and sellers that no single participant can influence the market price. Everyone simply accepts ("takes") the price determined by overall market supply and demand.

The other three statements are genuine features of monopoly:

• New entrants are restricted - barriers to entry (patents, high capital requirements, government regulation, control of essential resources) prevent other firms from entering the market.
• There is only one seller of the commodity - this is the defining characteristic of monopoly.
• The seller is allowed to fix the price - because there is no competition, the monopolist has the power to set prices.

In economics, land as a factor of production refers to all natural resources, including the physical surface of the earth, minerals, water bodies, forests, and the atmosphere. A key characteristic that distinguishes land from other factors of production is that its total supply is fixed.

Unlike labour, which can grow through population increase and training, or capital, which can be accumulated through investment, the total quantity of land available on the earth cannot be increased. No amount of demand or price increase can create more land. While specific parcels can be improved (e.g., through reclamation or irrigation), the aggregate supply of natural resources as a whole remains constant.

The supply of land does not vary meaningfully with time in economic terms. Saying it is higher in urban than rural areas confuses the density of human settlement with the actual supply of the factor of production. Likewise, the supply of land does not rise with demand, which is precisely what makes it unique among the factors of production and why economists describe its supply curve as perfectly inelastic (vertical).

Token money is any form of money whose face value (the value stamped on it) is greater than the intrinsic value of the material from which it is made. For example, a coin stamped with a value of 100 naira may contain metal worth only a few naira. The difference between the face value and the material value is known as seigniorage, which represents profit to the issuing authority.

Almost all modern coins and banknotes are token money. A paper note may cost very little to print, yet it carries a face value of hundreds or thousands of currency units. The public accepts it not because of the paper's worth, but because the government declares it legal tender and guarantees its value.

The other options describe different concepts:

• Currency and coins in circulation describes money supply broadly, not the defining feature of token money.
• Coins and notes made of poor quality materials focuses on material quality rather than the relationship between face value and intrinsic value.
• Money in the vault of commercial banks refers to bank reserves, not a type of money classification.

The defining characteristic of token money is the gap between its face value and its material content.

Cross elasticity of demand (XED) measures how the quantity demanded of one good responds to a change in the price of another good. The formula is:

\[\text{XED} = \frac{\% \text{ change in quantity demanded of Good B}}{\% \text{ change in price of Good A}}\]

In this question, a 20% rise in the price of Whisky leads to a 30% increase in quantity demanded of Schnapps. Substituting:

\[\text{XED} = \frac{30\%}{20\%} = \frac{30}{20} = 1.5\]

The cross elasticity of demand is 1.5.

The positive sign indicates that Whisky and Schnapps are substitute goods. When the price of one substitute rises, consumers switch to the other, increasing its quantity demanded. A value greater than 1 means the demand for Schnapps is relatively responsive to changes in the price of Whisky, confirming they are close substitutes.

Insurance companies perform several important functions in the economy, but collecting deposits from the public for investment is not one of them. This is a function of banks, not insurance companies.

The core functions of an insurance company include:

• Risk pooling and indemnification - collecting premiums from many policyholders and compensating those who suffer covered losses.
• Encouragement of savings habits through life assurance - life insurance policies serve as a form of saving, since the policyholder pays regular premiums and receives a lump sum at maturity or upon death.
• Mobilization of funds through premiums collected - the premiums received from policyholders form a large pool of funds that insurance companies invest in various assets.
• Granting of loans on a long-term basis for investment - insurance companies use their accumulated premium funds to provide long-term loans to individuals, businesses, and governments.

The key distinction is that insurance companies receive premiums (payments for risk coverage), while banks receive deposits (money entrusted for safekeeping and interest). Collecting deposits from the public is a banking function regulated under banking laws, not an insurance function.

Inflation is a sustained increase in the general price level. One of its key disadvantages is that fixed income earners lose.

People on fixed incomes, such as pensioners, civil servants on fixed salaries, and recipients of fixed-interest investments, receive the same nominal amount of money regardless of price changes. As prices rise during inflation, their money buys fewer goods and services, so their real income (purchasing power) declines. They become worse off even though their nominal income stays the same.

The statement that the standard of living rises is incorrect because inflation generally erodes living standards for most of the population, especially those who cannot negotiate higher wages quickly enough. Fixed income earners gaining is the opposite of what happens. Businessmen, in general, may actually benefit from inflation because the prices of their goods rise, and if they hold stocks of goods, the value of those stocks increases. They are typically among the groups that gain from inflation, not lose.

In examination questions on inflation, always distinguish between nominal values (the face value of money) and real values (what money can actually buy). Inflation reduces real values while nominal values may stay the same or even rise.

The equilibrium price is the price at which the quantity demanded by consumers equals the quantity supplied by producers. At this price, there is no surplus (excess supply) and no shortage (excess demand), so the market "clears" - every unit offered for sale finds a buyer.

For this reason, another term for equilibrium price is the market clearing price.

Demand price refers to the maximum price a consumer is willing to pay for a given quantity, which is not the same as the equilibrium price unless it happens to coincide with the supply price. "Satisfactory price" is not a standard economic term. A price floor is a government-imposed minimum price set above the equilibrium to protect producers (as in minimum wage legislation or agricultural price supports), which is the opposite of the market-determined equilibrium.

In examinations, if you see "equilibrium price," "market clearing price," or "market price" used interchangeably, they all refer to the point where the demand and supply curves intersect.

This question describes a condition from consumer equilibrium theory. When the last naira spent on each commodity yields equal marginal utility, the consumer has achieved the optimal allocation of a limited budget. This state is known as utility maximisation.

The principle is formally stated as the equi-marginal principle (or the law of equi-marginal utility):

\[\frac{MU_A}{P_A} = \frac{MU_B}{P_B} = \frac{MU_C}{P_C} = \cdots\]

where \(MU\) is the marginal utility derived from a good and \(P\) is its price. When this condition holds, the consumer cannot increase total satisfaction by reallocating spending from one good to another, meaning total utility is at its maximum given the budget constraint.

Maximising costs or cutting costs are objectives that apply to producers, not to consumer choice theory. Increasing profits is similarly a producer's goal. The concept described in the question is purely about a consumer arranging purchases to get the greatest possible satisfaction from a fixed income.

A free market economy (also called a capitalist or laissez-faire economy) is one in which the government does not directly control what is produced, how it is produced, or for whom it is produced. Instead, these decisions are made by individual consumers and producers interacting through markets.

The mechanism that coordinates all these independent decisions is the price mechanism. Prices act as signals: when consumers want more of a good, demand rises, which pushes the price up. The higher price signals to producers that it is profitable to allocate more resources toward that good. Conversely, when demand falls, prices drop, and producers shift resources away. Through this process of rising and falling prices, resources are automatically directed toward the goods and services that consumers value most.

A state planning committee or a government department would allocate resources in a planned (command) economy, not a free market. Trade unions represent workers' interests and negotiate wages and conditions; they do not determine resource allocation in an economy.

The price mechanism is therefore the defining feature of a free market economy - it allocates scarce resources among competing uses without the need for central direction.

Tax incidence refers to who ultimately bears the burden of a tax, which depends on the relative price elasticities of demand and supply. When a tax is imposed on a product, the party with the less elastic (more inelastic) response bears a larger share of the tax.

When the buyer bears more of the tax than the seller, it means consumers do not significantly reduce their purchases when the price rises. This describes a commodity with fairly inelastic demand. Because consumers need or strongly prefer the product, they continue buying it even at the higher post-tax price, so sellers can pass most of the tax on to buyers through higher prices.

If demand were elastic, consumers would sharply reduce purchases in response to a price increase, forcing sellers to absorb most of the tax to maintain sales. With perfectly elastic demand, consumers would bear none of the tax at all, as any price increase would drive quantity demanded to zero. Perfectly inelastic demand would mean the buyer bears all of the tax with no reduction in quantity purchased whatsoever. The question states that more (not all) of the tax falls on the buyer, which corresponds to fairly inelastic demand rather than perfectly inelastic demand.

A consumers' co-operative society is a type of business organisation formed by a group of individuals who pool their resources together to buy goods in bulk and distribute them among themselves at fair prices. The defining feature of any co-operative society is that it is owned and controlled by its members, who each have an equal vote regardless of the size of their financial contribution.

Members join by purchasing shares in the society, and the profits (called surplus or dividends) are distributed among them in proportion to their patronage, not their shareholding. The management committee is elected by the members to run the day-to-day operations, but the committee does not own the society - it acts on behalf of the membership. Debenture holders are creditors who lend money to organisations and earn interest; they have no ownership stake. The government plays no role in owning a co-operative society, although it may register and regulate co-operatives through legislation.

The correct answer is that a consumers' co-operative society is owned by the members of the society. This is the foundational principle of all co-operative organisations worldwide, enshrined in the Rochdale Principles that guide co-operative practice.

The Nigerian Industrial Development Bank (NIDB) was established to promote industrial development in Nigeria. Its primary objective was to provide medium- and long-term loans specifically to manufacturers and industrial enterprises. By financing manufacturing ventures, the NIDB aimed to accelerate industrialization, reduce Nigeria's dependence on imported manufactured goods, and create employment in the industrial sector.

The NIDB should not be confused with other specialised financial institutions in Nigeria:

• Loans to farmers were the domain of the Nigerian Agricultural and Co-operative Bank (NACB), later reorganised as the Bank of Agriculture (BOA).
• Estate agents and real estate development were served by the Federal Mortgage Bank of Nigeria (FMBN).
• Transporters did not have a dedicated development bank; transport businesses accessed general commercial lending.

The correct answer is manufacturers, because the NIDB was created as a development finance institution focused on the industrial and manufacturing sector of the Nigerian economy.

Privatization is the process of transferring ownership of a public enterprise (a business or industry owned by the government) to private individuals and firms. This is typically done by selling the government's shares or assets to private buyers, either through public share offerings on the stock exchange or direct sale to private investors.

Governments pursue privatization for several reasons: to improve efficiency through market competition, to reduce the financial burden of running loss-making enterprises, to generate revenue from the sale, and to encourage private sector participation in the economy.

The other terms describe different processes:

• Restructuring involves reorganizing the internal operations, management, or financial structure of an enterprise without necessarily changing ownership.
• Commercialization means making a government enterprise operate on commercial principles (seeking profit, reducing waste) while the government retains ownership.
• Nationalization is the opposite of privatization - it involves the government taking over privately owned enterprises and bringing them under public ownership.

Price discrimination is the practice by which a seller charges different prices to different groups of buyers for the same good or service, where the price differences are not justified by differences in cost of production or delivery.

For price discrimination to be possible, certain conditions must hold:

• The seller must have some degree of market power (ability to influence price, typically a monopolist or firm with significant market share).
• The seller must be able to identify and separate different groups of buyers (by age, location, time of purchase, income level, etc.).
• There must be no possibility of resale (arbitrage) between the groups - buyers who get the lower price cannot resell to those who would pay the higher price.

Examples include cinemas charging different ticket prices for students, adults, and seniors; airlines charging different fares for the same seat depending on when the ticket is purchased; and electricity companies charging different rates for domestic and industrial users.

This concept is distinct from monopolistic competition (a market structure), monopoly (a single seller), and price determination (the process by which market price is established through supply and demand).

Table I above illustrates the law of diminishing marginal utility. The law of diminishing marginal utility states that as a person
increases consumption of a product while keeping consumption of other products constant, there is a decline in the marginal
utility that person derives from consuming each additional unit of that product. In the table, as the units of quantity consumed increase, the marginal utility decreases.

A banker's bank is an institution that provides banking services to other banks, just as commercial banks provide services to individuals and businesses. This role is performed by the Central Bank.

As the banker's bank, the Central Bank:

• Holds deposits (reserves) of commercial banks
• Provides clearing and settlement services for interbank transactions
• Lends to commercial banks, especially as a lender of last resort during liquidity crises
• Sets reserve requirements that commercial banks must maintain
• Supervises and regulates the operations of commercial banks

Commercial banks serve the general public, not other banks. Development banks provide long-term financing for specific sectors such as agriculture and industry. Mortgage banks specialize in providing loans for property purchases. None of these serve as the bank for other banks.

In Nigeria, for example, the Central Bank of Nigeria (CBN) performs this role for all commercial and merchant banks operating in the country.

During inflation, the general price level rises, which means money loses purchasing power over time. This dynamic creates winners and losers depending on whether one holds money or owes money.

Borrowers of money gain during inflation because they repay their loans with money that is worth less than when they originally borrowed it. If someone borrows 100,000 naira today and repays it after a period of significant inflation, the real value of that repayment is lower than the real value of what was borrowed. The borrower effectively repays less in real terms.

Conversely, money lenders (creditors) lose during inflation because the money they receive in repayment buys fewer goods and services than the money they originally lent out. Their real return is eroded. Wage earners, especially those on fixed wages, also lose because their nominal pay buys less as prices rise. While borrowing may increase during inflation (as people try to buy assets before prices rise further), the question asks about an effect of inflation, and the direct economic effect is that borrowers gain at the expense of lenders.

Development plans in West African countries have historically struggled to meet their stated targets. While several factors contribute to this, the main reason is political instability.

Political instability disrupts development planning in several critical ways:

• Policy discontinuity - when governments change through coups or irregular transitions, incoming leaders often abandon the plans of their predecessors and introduce new ones, wasting resources already committed to earlier projects.
• Diversion of resources - political crises redirect funds from development projects to security and conflict management.
• Loss of investor confidence - both domestic and foreign investors withdraw capital from politically unstable environments, reducing the funding available for planned projects.
• Institutional disruption - the civil service and implementing agencies are reorganized or purged after political transitions, destroying institutional memory and capacity.

While low education levels, high population growth, and lack of manpower all pose challenges, they are more gradual and predictable constraints. Political instability, by contrast, can abruptly derail an entire national development plan, making it the primary reason for deviation from targets in the West African context.