Post-UTME Economics 2007 Past Questions & Answers

Economics is the study of how people manage limited resources to satisfy unlimited wants. This fundamental problem is known as scarcity. Option C perfectly describes this situation: our desires for goods and services are endless, but the means to produce or buy them are finite. This forces us to make choices, which is the core subject of economics.

Common mistake: Students might mistakenly choose option A because it seems related, but the core principle of economics is the conflict between unlimited wants and *limited means*, not just the difference between wants and needs.

Capitalism is an economic system where private individuals own resources and businesses operate for profit. This focus on profit and competition often leads to an unequal spread of income and wealth, not an equitable (fair) one. Therefore, equitable distribution of income is not a feature of capitalism; it is a goal more commonly associated with socialist systems.

Common mistake: Students may mistakenly choose option A because private ownership is the most famous feature of capitalism, but they forget the question asks for the exception.

The question provides a consumption function, which is an equation showing how consumption spending (C) relates to income (Y). To solve it, you simply substitute the given income of N15,000 for Y in the equation C = N7,500 + 0.2Y. This gives you C = 7,500 + $(0.2 * 15,000)$, which simplifies to C = 7,500 + 3,000, resulting in a total consumption of N10,500.

Common mistake: Students often mistakenly choose option B because they confuse the dependent variable (the one being calculated, which is Consumption) with the independent variable (the one that changes, which is Income).

The law of demand states that as price falls, quantity demanded rises. This is because of the principle of diminishing marginal utility, which says that the additional satisfaction (utility) a person gets from consuming one more unit of a product decreases with each unit consumed. Therefore, a consumer is only willing to buy more units of a good if its price is lower, to match the lower satisfaction they receive.

Common mistake: Students might mistakenly choose 'the rationing function of prices' because price is involved, but this function describes how price allocates goods in the market, not the underlying consumer behaviour that shapes the demand curve.

A pure monopolist is the only seller in the market, so its demand curve is the same as the entire market's demand curve. According to the law of demand, to sell more units of a product, the price must be lowered. This inverse relationship between the price and the quantity demanded means the demand curve slopes downwards from left to right.

Common mistake: Students might mistakenly choose 'perfectly price inelastic' because they think a monopolist has absolute power, but even a monopolist will sell less if the price is set too high, as consumers can choose not to buy.

The Central Bank, such as the Central Bank of Nigeria (CBN), is the only institution with the legal authority to issue a country's currency. This means it is responsible for putting new notes and coins into circulation and managing the money supply. While the Central Bank oversees the process, the actual printing may be done by a separate body, making 'issuing' the more accurate and complete function.

Common mistake: Students often mistakenly choose option A ('prints the country’s currency') because they confuse the physical manufacturing of money with the official economic function of issuing it, which is the Central Bank's exclusive legal responsibility.

The theory of consumer behaviour is built on several key ideas, called assumptions. The main ones are that consumers are rational (they aim to maximize satisfaction), they can rank their choices, and they always prefer more of a good to less. While consistency in choice is also an important assumption for the theory to work properly, it is sometimes considered a more technical requirement compared to the other foundational ideas of rationality and preference.

Common mistake: Students might mistakenly choose option B, 'Consumers are rational', because they know that in real life people can be irrational, but they forget that rationality is the most fundamental *assumption* of this economic theory.

A budget constraint, or budget line, shows the different combinations of two goods a person can afford with their income. The slope of this line tells us the rate at which you can trade one good for the other in the market. This rate is determined by the relative prices of the two goods, which is expressed as a ratio (e.g., Price of Good X divided by Price of Good Y).

Common mistake: Students often confuse the slope of the budget constraint with the slope of the indifference curve, which is the marginal rate of substitution (MRS) and relates to consumer satisfaction.

Disposable income is the total money a household has available to spend or save after paying direct taxes. To calculate it, you start with personal income, which is all the money an individual receives. Then, you subtract the direct taxes paid to the government and add any transfer payments (like subsidies or benefits) received from the government. This final amount is what people can actually 'dispose of' through spending or saving.

Common mistake: Students often mistakenly choose option B because they correctly remember that taxes are deducted, but they forget that subsidies (government payments to individuals) are added to income.

The 'terms of trade' is a key concept in international economics that measures the relationship between the prices of a country's exports and the prices of its imports. It is calculated as the ratio of the index of export prices to the index of import prices. This ratio shows how many units of imports a country can get in exchange for one unit of its exports, which is precisely what option C describes.

Common mistake: Students often mistakenly choose option A because they confuse the economic concept 'terms of trade' (a price ratio) with the legal or diplomatic 'terms of a trade agreement' (the rules of a treaty).