JAMB UTME - Economics - 2025

Awọn alaye Idahun

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.

Awọn alaye Idahun

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.

Awọn alaye Idahun

Production is classified into three broad categories based on the nature of economic activity:

• Primary production involves the extraction or harvesting of natural resources directly from the earth or sea. This includes farming, fishing, forestry, mining, and quarrying.
• Secondary production involves manufacturing and construction, where raw materials from primary production are transformed into finished or semi-finished goods.
• Tertiary production (also called services production) involves the provision of services such as banking, transportation, teaching, and healthcare.

The exploitation of mineral resources (mining of gold, tin, crude oil, coal, iron ore, etc.) is the extraction of raw materials directly from the earth. This falls squarely under primary production.

It is not secondary production because the minerals are being extracted, not processed into manufactured goods. It is not tertiary or services production because it involves physical extraction of tangible resources, not the delivery of services.

Awọn alaye Idahun

In economics, the term factor intensity describes which factor of production is used in the greatest proportion relative to others. When an agricultural production process uses more machinery relative to labour, it is described as capital intensive farming.

Capital, in economics, refers to man-made aids to production - machinery, equipment, tools, irrigation systems, storage facilities, and other physical assets used in the production process. Capital intensive farming relies heavily on these inputs rather than on manual human labour. Examples include using tractors instead of hand-held hoes, combine harvesters instead of manual cutting, and automated irrigation systems instead of hand-watering.

The other options describe different concepts:

• Land intensive farming would emphasize the use of large tracts of land relative to other factors.
• Large scale farming refers to the size of the farming operation, not specifically the ratio of machinery to labour.
• Commercial farming refers to farming for profit and sale rather than subsistence, regardless of how mechanized it is.

The specific emphasis on machinery relative to labour is the hallmark of capital intensive production.

Awọn alaye Idahun

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.

Awọn alaye Idahun

In economics, each factor of production earns a specific reward for its contribution to the production process. The four factors and their corresponding rewards are:

• Land earns rent - the payment to the owner of land (including natural resources) for allowing its use in production.
• Labour earns wages - the payment to workers for their physical or mental effort.
• Capital earns interest - the return on money or equipment invested in production.
• Entrepreneurship earns profit - the reward for organising the other factors, taking risks, and making business decisions.

Since the question asks specifically about land, the correct reward is rent. Rent in this context does not refer only to the monthly payment for a building; it is the broader economic concept of payment for the use of any natural resource or land in the production process.

A common error is confusing interest (the reward for capital) with rent. Remember: land is a gift of nature and cannot be moved or manufactured, and its reward is always rent.

Awọn alaye Idahun

A wholesaler performs several functions in the chain of distribution, but the one that directly enables price stabilisation is warehousing goods.

By purchasing goods in bulk from manufacturers and storing them in warehouses, the wholesaler absorbs fluctuations in supply. When production is high and supply exceeds immediate demand, the wholesaler stores the surplus, preventing a glut that would drive prices down sharply. When production falls or demand rises, the wholesaler releases stored goods onto the market, preventing the scarcity that would push prices up. This buffering effect smooths out price swings over time.

Granting credit to retailers helps retailers manage cash flow but does not directly influence the price level of goods. Advertising increases consumer awareness and may boost demand, but it does not stabilise prices. Transporting goods ensures physical availability in different locations but does not address the timing mismatches between production and consumption that cause price volatility.

The warehousing function is therefore the key mechanism through which a wholesaler contributes to price stability in the market.

Awọn alaye Idahun

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.

Awọn alaye Idahun

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.

Awọn alaye Idahun

Commercial policy (also called trade policy) refers to the set of government measures used to regulate international trade. These measures include tariffs, quotas, embargoes, and subsidies. One of the strongest arguments for using commercial policy is the need to reduce domestic unemployment.

By imposing tariffs or quotas on imported goods, a government makes foreign products more expensive or restricts their quantity, thereby protecting domestic industries from foreign competition. When local industries are shielded, they can maintain or expand production, which preserves and creates jobs for domestic workers. This is sometimes called the infant industry argument or the employment protection argument for trade restrictions.

The other options do not represent valid arguments for commercial policy:

• Making imported goods affordable would require removing trade barriers, which is the opposite of commercial policy restrictions.
• Encouraging importation of non-essential goods contradicts the purpose of trade policy, which typically aims to restrict such imports to conserve foreign exchange.
• No trade policy can make a country enjoy absolute advantage in the production of all goods - absolute advantage depends on a country's resource endowments and productivity, not on trade restrictions.

Awọn alaye Idahun

Thomas Robert Malthus, in his 1798 work An Essay on the Principle of Population, argued that population increases in geometric progression (i.e., it multiplies: 2, 4, 8, 16, 32, ...) while food production increases only in arithmetic progression (i.e., it adds a constant amount: 1, 2, 3, 4, 5, ...).

Because a geometric series grows much faster than an arithmetic series, Malthus concluded that population would inevitably outstrip the food supply unless checked by what he called positive checks (famine, disease, war) or preventive checks (moral restraint such as delayed marriage).

The option stating the reverse, that population grows arithmetically while food grows geometrically, directly contradicts Malthus's theory. The option suggesting the two will be at par in the future is also incorrect because Malthus's central point was that they would diverge, not converge. The option about nations needing manpower to cultivate land describes a general statement about agricultural labour, not the specific population-food growth relationship Malthus proposed.

Awọn alaye Idahun

The specialisation of labour enhances production because people can save time and produce more.

When workers specialise - that is, when each person concentrates on a single task or a narrow range of tasks - they become more skilled and efficient at those specific tasks. This efficiency gain works through several mechanisms:

• Reduced time switching: A worker who performs one task continuously does not lose time moving between different activities, tools, or workstations.
• Increased skill: Repetition builds expertise. A worker who focuses on one operation becomes faster and more accurate at it.
• Greater total output: Because each specialised worker produces more per unit of time, the combined output of all workers rises.

The other options contain important errors. Workers do not become "experts in all areas of production" - specialisation means becoming expert in one specific area. Workers cannot "efficiently produce their own needs" - specialisation actually increases dependence on trade, since each person produces only one thing and must exchange for everything else. And workers do not "concentrate on all goods they can produce better" - they concentrate on the specific good or task where they have the greatest advantage.

Awọn alaye Idahun

Mean wage = \(\frac{\sum{x}}{\text{n}}\)

= \(\frac{40+30+70+20+60+10+10+80+30+10}{10}\)

= \(\frac{360}{10}\) = $36

Awọn alaye Idahun

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.

Awọn alaye Idahun

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).

Awọn alaye Idahun

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.

Awọn alaye Idahun

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.

Awọn alaye Idahun

Before the discovery and commercial exploitation of petroleum in the late 1950s and 1960s, agriculture was Nigeria's greatest foreign exchange earner. The agricultural sector dominated the Nigerian economy and was the backbone of export revenue.

Nigeria's major agricultural exports during this period included:

• Cocoa - primarily from the Western Region (now southwestern Nigeria)
• Groundnuts (peanuts) - from the Northern Region
• Palm oil and palm kernels - from the Eastern Region
• Rubber - from the Mid-Western Region
• Cotton - from the Northern Region

These cash crops were exported in large quantities to Europe and other international markets, generating the bulk of Nigeria's foreign exchange. Each region of the country had marketing boards that coordinated the purchase and export of these commodities.

The other sectors were relatively minor foreign exchange earners: handicrafts were produced largely for local consumption, mining (of tin and columbite) contributed some export revenue but far less than agriculture, and manufacturing was in its infancy and largely import-dependent rather than export-oriented.

Awọn alaye Idahun

The fundamental economic problem is scarcity - human wants are unlimited, but the resources available to satisfy those wants are limited. Economic problems arise mainly because of these limitations in the availability of resources.

Because resources (land, labour, capital, and entrepreneurship) are scarce relative to the unlimited desires of society, choices must be made about how to allocate them. This gives rise to the three basic economic questions: what to produce, how to produce, and for whom to produce. Every choice involves an opportunity cost - the next best alternative forgone.

While lack of foresight, inaccurate data, and wastage of resources are real problems that can worsen economic outcomes, they are not the primary cause of economic problems. Even with perfect foresight, accurate statistics, and zero waste, economic problems would still exist because resources remain limited relative to wants. Scarcity is the root cause from which all other economic problems stem.

For examinations, always connect the concept of scarcity to the need for choice and opportunity cost - these three ideas form the foundation of economics.

Awọn alaye Idahun

A sole proprietorship is a business owned and managed by a single individual. One of its key advantages is that it can be managed without conflicts. Because there is only one owner, all decisions - from day-to-day operations to long-term strategy - rest with that single person. There are no partners or shareholders to disagree with, no board meetings to navigate, and no conflicting visions for the business. This makes decision-making quick and straightforward.

The other options do not describe advantages of sole proprietorship:

• Making an increase in the volume of business possible is actually a limitation of sole proprietorship, since a single owner typically has limited capital and capacity for expansion.
• Raising money from the public is a feature of public limited companies that issue shares on the stock exchange, not sole proprietorships.
• Having no limit to the number of people who may bring in capital describes a public limited company or cooperative, not a sole proprietorship where the owner is the sole source of capital (aside from borrowing).

Awọn alaye Idahun

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.

Awọn alaye Idahun

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.

Awọn alaye Idahun

Economic integration refers to arrangements between countries to reduce or eliminate trade barriers among themselves. The different levels of integration, from least to most integrated, are:

1. Free trade area - member nations remove tariffs and quotas on trade among themselves, but each member retains the right to set its own external tariff on imports from non-member countries.
2. Customs union - like a free trade area, but members also adopt a common external tariff against non-members, so no individual member can set its own duty.
3. Common market - a customs union plus the free movement of factors of production (labour and capital) between member states.
4. Economic community/union - a common market with harmonised economic policies (monetary, fiscal, etc.).

In a free trade area, each member nation is free to impose its own duties against non-members because there is no requirement for a common external tariff. This flexibility is what distinguishes a free trade area from higher forms of integration. Once countries move to a customs union or beyond, they must agree on a uniform tariff schedule for non-member imports.

Awọn alaye Idahun

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.

Awọn alaye Idahun

A developing country is characterised primarily by a low income per head (low per capita income). Per capita income measures the average income earned per person in a country and is the most widely used indicator of a nation's level of economic development.

When income per head is low, it signals that the country's total output relative to its population is small, which typically correlates with limited industrialisation, lower standards of living, inadequate infrastructure, and reduced access to healthcare and education.

Low labour supply does not define a developing country. In fact, many developing countries have abundant labour, often with high rates of underemployment. A decreasing population is not a characteristic of developing nations either; most developing countries experience population growth rather than decline. A high contribution of the tertiary (services) sector to national income is actually a feature of developed economies, where the economy has progressed beyond primary and secondary production into services, finance, and technology.

The defining feature remains low per capita income, which reflects the overall economic productivity and living standards of the population.

Awọn alaye Idahun

The balance of trade is the difference between the value of a country's visible exports and visible imports over a specific period. Visible trade refers to the import and export of physical, tangible goods such as crude oil, machinery, textiles, and agricultural products.

The formula is:

\[ \text{Balance of Trade} = \text{Value of Visible Exports} - \text{Value of Visible Imports} \]

If exports exceed imports, the country has a favourable (surplus) balance of trade. If imports exceed exports, it has an unfavourable (deficit) balance of trade.

It is important to distinguish the balance of trade from the balance of payments. The balance of payments is a broader concept that includes both visible trade (goods) and invisible trade (services such as banking, insurance, tourism, and shipping), as well as capital transfers and financial flows. An option describing the relationship between both visible and invisible receipts refers to the balance of payments, not the balance of trade.

For examinations, remember: balance of trade covers goods only (visible items), while balance of payments covers goods, services, and capital movements.

Awọn alaye Idahun

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.

Awọn alaye Idahun

A shift of the demand curve to the right means that at every given price, consumers are willing and able to buy a larger quantity of the good than before. This is different from a movement along the demand curve, which is caused by a change in the price of the good itself.

An increase in consumers' income shifts the demand curve for a normal good (such as cocoa) to the right. When consumers earn more, they have greater purchasing power and are willing to buy more cocoa at each price level. This is a change in a non-price determinant of demand, which causes the entire curve to shift.

A rise in the price of cocoa would cause a movement along the existing demand curve (a decrease in quantity demanded), not a shift of the curve. A fall in the quantity demanded of cocoa similarly describes a movement along the curve. A tax on cocoa producers affects the supply side of the market, shifting the supply curve rather than the demand curve.

Other factors that shift the demand curve to the right include an increase in population, a rise in the price of substitute goods, a fall in the price of complementary goods, and a change in consumer tastes in favour of the product.

Awọn alaye Idahun

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.

Awọn alaye Idahun

The supply curve shows the relationship between the price of a good and the quantity that producers are willing and able to supply. A standard market supply curve slopes upward from left to right, which means that as price increases, quantity supplied increases, and as price decreases, quantity supplied decreases.

This upward slope indicates that at a lower price, less is supplied. Producers are less willing to supply goods at lower prices because lower prices mean lower revenue and potentially lower profit margins. Conversely, higher prices give producers a greater incentive to supply more, as the higher revenue makes production more profitable and can justify the higher marginal costs of producing additional units.

The statement that at a lower price more is supplied contradicts the upward slope described in the question. The ability to supply two commodities at the same time and the level of taxes paid by producers are not what the slope of the supply curve indicates.

The positive relationship between price and quantity supplied is known as the law of supply.

Awọn alaye Idahun

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.

Awọn alaye Idahun

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.

Awọn alaye Idahun

Net migration measures the overall effect of migration on a country's population. It is calculated as the difference between the number of immigrants (people moving into the country) and the number of emigrants (people leaving the country) over a given period.

The formula is:

\[ \text{Net Migration} = \text{Number of Immigrants} - \text{Number of Emigrants} \]

If the result is positive, more people entered the country than left, and the country experienced net immigration. If negative, more people left than arrived, indicating net emigration.

The other options do not define net migration. Per capita income and population are measures of economic output and population size respectively. Internal and external migration are categories of migration based on whether movement occurs within or across national borders, but their difference does not define net migration. Population and census are general demographic concepts unrelated to the migration calculation.

When revising population topics, remember that net migration, along with the birth rate and death rate, determines the overall change in a country's population size.

Awọn alaye Idahun

Division of labour is the practice of breaking a production process into separate, specialised tasks and assigning each task to a different worker. An entrepreneur adopts division of labour primarily because it leads to increased output and lower cost of production.

When workers specialise in one task, they become faster and more skilled at it through repetition. This increased efficiency raises total output. At the same time, because each worker is more productive, the cost per unit of output falls. Additional benefits include reduced time lost in switching between tasks and the ability to use specialised tools and machinery suited to each step of production.

The option stating it leads to increased cost and lower output describes the exact opposite of what division of labour achieves. While division of labour does not directly aim to provide more employment opportunities (in fact, increased efficiency can sometimes reduce the number of workers needed), the entrepreneur's motivation centres on productivity gains and cost reduction, not job creation. The option about equal cost and employment opportunities does not reflect any recognised outcome of specialisation.

Awọn alaye Idahun

Double counting is the error that leads to an overestimation of national income. It occurs when the value of a good is counted more than once as it passes through different stages of production.

For example, if a farmer sells wheat to a flour mill, the mill sells flour to a bakery, and the bakery sells bread to consumers, the value of the wheat is embedded in the flour price, which is in turn embedded in the bread price. If you add the sales value at every stage without subtracting intermediate inputs, you count the wheat's value three times, the milling value twice, and only the baking value once. The resulting total far exceeds the actual value of final goods produced, inflating the national income figure.

To avoid this, national income accountants use either the value-added method (counting only the value added at each stage) or count only the value of final goods and services.

Wrong timing of computation may shift income between periods but does not systematically inflate the total. Changes in prices within the year can distort comparisons between years but are handled by using constant prices. Incomplete statistical data would, if anything, lead to an underestimate because unrecorded economic activity is omitted from the count.

Awọn alaye Idahun

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.

Awọn alaye Idahun

Net Domestic Product (NDP) measures the total value of goods and services produced within a country's borders after accounting for the wear and tear on capital goods used in production.

The correct formula is:

\[\text{NDP} = \text{GDP} - \text{Depreciation}\]

GDP (Gross Domestic Product) measures total output within a country's borders without deducting for capital consumed in the production process. Depreciation (also called capital consumption allowance) represents the value of capital assets (machinery, equipment, buildings) that wore out or became obsolete during the production period.

Subtracting depreciation from GDP gives a more accurate picture of the economy's net productive capacity, since some of the gross output merely replaces worn-out capital rather than representing a genuine addition to wealth.

The other options are incorrect:

• GNP minus depreciation gives Net National Product (NNP), not NDP. GNP includes net income from abroad, which NDP excludes.
• GDP multiplied by net income from abroad is not a recognized economic formula.
• The option written as "NDP - GDP + Net Income from abroad" rearranges terms incorrectly and does not represent the standard NDP formula.

Awọn alaye Idahun

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.

Awọn alaye Idahun

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.

Awọn alaye Idahun

A monopoly is a market structure in which there is only one seller (or producer) of a product that has no close substitutes. Because the monopolist is the sole supplier, it has significant control over the price and output of the product. Consumers cannot switch to an alternative because no closely comparable product exists.

Key characteristics of a monopoly include:

• A single firm constitutes the entire industry.
• The product is unique with no close substitutes.
• There are high barriers to entry that prevent other firms from entering the market.
• The monopolist is a price maker, not a price taker.

The description of entry being restricted by a few firms in the market refers to an oligopoly, where a small number of large firms dominate. Two or more sellers selling differentiated products describes monopolistic competition. Few sellers selling at different prices also suggests an oligopolistic market. None of these match the defining feature of monopoly, which requires a single seller with a product that has no close substitute.