WAEC Economics 2023
Questions & Answers

A student might incorrectly pick option A or D by assuming resources are limitless or that economics can satisfy everyone. Because resources are limited, choices must be made about how to allocate them efficiently, meaning economics is the study of how individuals and societies make choices under conditions of scarcity. Common mistake: Confusing the presence of unlimited human wants with unlimited economic resources.

One might mistakenly select secondary or primary production if they confuse storage with manufacturing or raw material extraction. Tertiary production involves services that support the production and distribution of goods, such as storage and warehousing, which facilitate the movement of goods from producers to consumers without changing their form. Common mistake: Assuming all physical handling of goods constitutes manufacturing rather than service provision.

A student might mistakenly choose semi-finished goods or fuel, thinking they are fixed assets. Working capital refers to current assets used in day-to-day operations, such as fuel, cash for wages, and semi-finished goods inventory, whereas equipment is a fixed capital asset used over a long period and is not part of working capital. Common mistake: Failing to distinguish between short-term operating assets and long-term fixed assets.

A student might mistakenly choose option A or B by focusing narrowly on abundance or theoretical definitions. An economic system addresses the problem of scarcity by determining how limited resources are allocated to satisfy unlimited wants, choosing among alternative uses to achieve the best possible outcomes. Common mistake: Confusing the broad goals of economic study with the operational mechanism of resource allocation in a system.

A student might pick 7.5 by incorrectly averaging the middle two numbers without checking the exact frequency. The median is the middle value in a sorted list. When you sort the marks as 5, 6, 7, 7, 7, 8, 8, 9, 9, with 9 values total, the median is the 5th value, which is 7. Common mistake: Forgetting to sort the raw data in ascending order before locating the middle position.

A student might select complementary or competitive demand by confusing relationships between different consumer products with factor inputs. Derived demand occurs when the demand for a factor like labor or capital stems from the demand for the final product it helps produce, such as how the demand for steelworkers derives from the demand for cars. Common mistake: Confusing cross-product demand relationships with the producer-driven demand for inputs.

A student might select price elastic or unit price elastic assuming demand always responds somewhat to price movements. Perfectly price inelastic demand means quantity demanded does not change at all with price changes, resulting in a vertical demand curve, which is typical for necessities like insulin for diabetics. Common mistake: Assuming all goods exhibit at least some degree of responsiveness to price changes.

A student might pick elastic demand or fairly inelastic demand by misinterpreting how tax burdens are shared. The tax incidence depends on elasticities, and if demand is perfectly inelastic, buyers bear the entire tax burden as they continue purchasing the same quantity regardless of the price increase caused by the tax. Common mistake: Confusing seller tax absorption with buyer-dominated tax incidence under inelastic conditions.

A student might mistakenly choose a fall in quantity demanded or a decrease in revenue by assuming price cuts always lower total earnings. For elastic demand where elasticity is greater than 1, a price decrease leads to a proportionally larger increase in quantity demanded, resulting in higher total revenue since total revenue equals price multiplied by quantity. Common mistake: Forgetting that total revenue moves in the direction of the larger percentage change between price and quantity.

1) Distractor check: Options like complementary supply or abnormal supply might catch your eye if you confuse how multiple goods relate, but they do not describe items fulfilling the same specific want. 2) Reasoning to the answer: Multiple goods or services that can satisfy the same need or want act as substitutes, which is defined as a composite supply. Different sources of light such as a candle, lantern, and gas lamp can all serve this exact purpose, where an increase in the supply of one affects the others competitively. 3) Common mistake: Confusing composite supply with joint supply where goods are produced together rather than satisfying the same alternative want.

1) Distractor check: You might lean toward a drop in kerosene supply or rising costs if you mix up production directions, but petrol and kerosene are linked through a single refinement process. 2) Reasoning to the answer: In joint supply, products are produced together from the same process, exemplified by refining crude oil. When the supply of petrol increases, it implies more refining takes place, which jointly increases the supply of kerosene as well. 3) Common mistake: Assuming that producing more of one joint product reduces the output of the other.

1) Distractor check: A student might choose a rightward shift if they confuse removing a subsidy with granting one. 2) Reasoning to the answer: Subsidies lower production costs and shift supply to the right. Removing them increases costs, shifting the supply curve to the left, which reduces the quantity supplied at each price. 3) Common mistake: Forgetting that removing a subsidy has the opposite effect of implementing one.

1) Distractor check: A test-taker could mistakenly select reducing consumption if they confuse utility maximization with diminishing returns. 2) Reasoning to the answer: Consumer equilibrium occurs when MUx equals Px for all goods. If MUx is greater than Px, the consumer gains more utility per naira from X than its cost, so they should consume more X until equilibrium is restored. 3) Common mistake: Thinking a higher marginal utility means you should cut back instead of buying more until prices and utilities balance.

1) Distractor check: Options indicating a decrease or constant state might appeal if you forget how shifts affect intersections. 2) Reasoning to the answer: An increase in demand shifts the demand curve rightward, intersecting the unchanged supply curve at a higher equilibrium price and quantity. 3) Common mistake: Mixing up the direction of price changes when demand shifts right.

1) Distractor check: One might incorrectly guess luxury or inferior goods due to general price controls, but governments target specific socioeconomic targets. 2) Reasoning to the answer: Price ceilings, which are maximum prices set by the government, are applied to essential goods like food or rent to make them affordable and prevent shortages for low-income groups. 3) Common mistake: Believing price ceilings are meant to protect producers of luxury items.

1) Distractor check: Options like P, Q, or R represent earlier stages where total product is still rising or reaching its peak. 2) Reasoning to the answer: Marginal product is negative when total product is decreasing, which occurs after the point of diminishing returns in stage III of production, typically at point S on the total product curve. 3) Common mistake: Choosing a point on the rising or flattening sections of the total product curve instead of the downward-sloping tail.

1) Distractor check: A student might jump to financial or technological economies if they misread location-based benefits as internal firm growth. 2) Reasoning to the answer: External economies of scale arise from a firm's location in an industrial estate, benefiting from shared infrastructure, skilled labor pools, and supplier networks without internal firm growth. 3) Common mistake: Attrributing external industrial estate benefits to internal firm expansion.

1) Distractor check: Sloped or vertical curves might catch your attention if you confuse fixed costs with variable costs or total output axes. 2) Reasoning to the answer: Total fixed cost remains constant regardless of the output level, resulting in a horizontal line on the cost-output graph, as fixed costs like rent do not vary with production. 3) Common mistake: Drawing total fixed cost as upward sloping because they confuse it with total cost.

1) Distractor check: An unwary student might think fixed costs or average fixed costs are the primary targets of factory staffing changes. 2) Reasoning to the answer: Factory workers' wages are classified as variable costs, which change with output or employment levels. Retrenching workers reduces variable costs, though it may affect production capacity. 3) Common mistake: Labeling direct factory labor as a fixed cost rather than a variable cost.

1) Distractor check: Perfect elasticity or marginal cost exceeding marginal revenue might look like technical profit conditions if misread. 2) Reasoning to the answer: Abnormal profit occurs when price, or average revenue, exceeds average total cost at the profit-maximizing output where marginal revenue equals marginal cost, allowing economic profit above normal returns. 3) Common mistake: Confusing the condition for profit maximization with the condition for abnormal profit.

1) Distractor check: A student might select the supply curve or average cost curve if they forget how price-taking firms view market revenue. 2) Reasoning to the answer: In perfect competition, the firm is a price taker, so average revenue equals the market price, which is represented by the horizontal demand curve facing the firm. 3) Common mistake: Assuming a firm's demand curve in a perfect market slopes downward.

1) Distractor check: Joint stock companies or partnerships might look appealing since they also involve groups of people in business. 2) Reasoning to the answer: Cooperative societies pool members' resources, such as funds and labor, to provide goods and services at cost, aiming for mutual benefit rather than profit maximization. 3) Common mistake: Confusing the mutual benefit and cost-provision goals of cooperatives with profit-driven corporate forms.

1) Distractor check: Share transferability or membership minimums might seem like continuity reasons, but they do not capture the core legal nature. 2) Reasoning to the answer: As a corporate entity with a separate legal personality, a joint stock company has perpetual succession, meaning it continues existing independently of changes in membership, unlike partnerships. 3) Common mistake: Attributing perpetual existence to share transferability instead of separate legal personality.

1) Distractor check: Advertising agencies or wholesalers might be chosen if you confuse promotion or bulk distribution with direct consumer access. 2) Reasoning to the answer: Retailers provide direct access to a variety of goods for consumers, displaying and selling them in convenient locations, bridging the gap between wholesalers and end-users. 3) Common mistake: Overlooking the final link in the chain of distribution that deals directly with shoppers.

1) Distractor check: Options leaving out migration or using birth rates alone fail to capture the complete demographic movement equation. 2) Reasoning to the answer: Population growth rate is calculated as the birth rate minus the death rate plus the net migration rate, accounting for both natural increase and movement in or out of the population. 3) Common mistake: Forgetting to include net migration when calculating total population growth.

1) Distractor check: Equal growth rates or food outpacing population would contradict the core crisis aspect of the theory. 2) Reasoning to the answer: Malthus posited that population grows geometrically while food supply grows arithmetically, leading to overpopulation, famine, and checks on growth when population outpaces resources. 3) Common mistake: Believing the Malthusian model predicts a harmonious balance between food and people.

1) Distractor check: Focusing solely on government-dependent active populations misses the broader demographic definition. 2) Reasoning to the answer: Dependency ratio is calculated as the number of dependents divided by the working-age population multiplied by 100, where dependents are children and the elderly, measuring the burden on the productive population. 3) Common mistake: Defining dependents exclusively as children while ignoring the aged population.

1) Distractor check: Cyclical or technological unemployment might be selected if you confuse macro downturns or automation with job transition periods. 2) Reasoning to the answer: Frictional unemployment is short-term, arising from job searches and matching. Publicizing vacancies reduces search time, helping workers transition between jobs more efficiently. 3) Common mistake: Mistaking short-term transition periods for structural labor market problems.

1) Distractor check: High wages or mechanized systems would describe developed agricultural markets rather than developing ones. 2) Reasoning to the answer: Developing countries often lack capital for machinery, relying instead on abundant cheap labor for labor-intensive farming, which absorbs surplus workforce and sustains rural employment. 3) Common mistake: Assuming developing nations use advanced capital-intensive farming methods.

1) Distractor check: Encouraging rural-urban migration runs counter to the goal of geographic industrial balance. 2) Reasoning to the answer: Governments locate industries in underdeveloped areas to promote balanced regional development, reducing inequalities and urban congestion, even if not immediately profitable. 3) Common mistake: Assuming all industrial placement is driven strictly by short-term private profit maximization.

1) Distractor check: Options involving partnerships, industrial estates, or capital grants all actively help foster business growth. 2) Reasoning to the answer: Tax exemptions to old firms may discourage new entrants by favoring incumbents, reducing competition and innovation needed for industrial growth, unlike incentives for new or partnering firms. 3) Common mistake: Thinking tax breaks for established companies always stimulate overall industrial development.

1) Distractor check: Determining aid or sharing income might seem like practical outcomes, but they are secondary to performance tracking. 2) Reasoning to the answer: National income measures like GDP assess overall and sectoral economic performance, guiding policy on growth, productivity, and resource allocation across agriculture, industry, and services. 3) Common mistake: Confusing national income calculation with welfare distribution policies.

1) Distractor check: Mentioning accounting standards or intermediate inputs leads back to confusion over what should be counted. 2) Reasoning to the answer: In the expenditure approach, only final goods and services are counted to avoid double-counting intermediate inputs, which are already embedded in final prices like flour in bread. 3) Common mistake: Counting raw materials alongside the final product.

1) Distractor check: Lower figures like $30m or $40m result from subtracting depreciation instead of adding it. 2) Reasoning to the answer: Gross National Product equals Net National Product plus depreciation, also known as the capital consumption allowance. Since NNP accounts for depreciation, adding back the $10m to $50m gives a GNP of $60m, representing total income before wear and tear on capital. 3) Common mistake: Subtracting depreciation from NNP instead of adding it to find GNP.

Students might mistakenly choose that variables move in the same direction because they associate a rising indicator with an increase. The value of money represents purchasing power, which is calculated as one divided by the price level. When prices climb to a higher price level, this purchasing power drops, illustrating an inverse relationship where inflation erodes money's value. Common mistake: confusing the actual physical quantity or face amount of currency with its real purchasing power.

Students might mistakenly pick self-sufficiency or subsistence production because these options represent simpler economic states where trade is minimal. When labor is specialized, individuals and regions become interdependent and engage in trade. This specialization requires a medium of exchange like money to facilitate the trade of diverse goods and services, unlike self-sufficiency where barter might suffice. Common mistake: assuming simpler economies rely more on currency rather than recognizing that trade volume drives the need for money.

Students might select options involving too many goods or changing loan preferences because economic shifts often accompany market changes. A sustained rise in the general price level defines inflation, which diminishes the purchasing power of money. Consequently, a fixed amount of currency buys a lower quantity of goods, thereby eroding real income and the value of savings. Common mistake: focusing on the abundance of physical goods rather than the declining purchasing capability of the monetary unit.

Students might select shares or bonds because they are valuable financial instruments that represent wealth. Liquidity measures how quickly an asset converts to cash without loss of value. Cash is already in the most spendable form, unlike shares and bonds which may need selling, or cheques which need clearing. Common mistake: equating high financial value or investment worth with immediate spending liquidity.

Students might choose custodianship of valuables or financial advice because banks offer multiple customer services. Commercial banks help in economic development mainly by mobilizing savings from depositors, who act as lenders, and channeling them as loans to investors and borrowers. This function facilitates capital formation, investment, and growth in productive activities. Common mistake: confusing auxiliary banking services like advisory roles with the primary macroeconomic function of financial intermediation.

Students might pick direct taxes because they represent a common form of government revenue collected from the public. Indirect taxes, such as VAT and sales tax, are imposed on goods and services and passed on to consumers via higher prices, unlike direct taxes on income and wealth which are paid directly by individuals and firms. Common mistake: failing to distinguish between statutory incidence and the actual economic burden shifted onto the final consumer.