2024 - JAMB Economics Past Questions and Answers - page 2

Agriculture encompasses the cultivation of land for crops and the rearing of animals.

• Agriculture: This includes farming activities like crop production and livestock management.
• Forestry: This involves the management of forests.
• Mono culture: This is the practice of growing a single crop.
• Horticulture: This focuses on the cultivation of garden plants.

The level of consumption is influenced by several factors, including:

• Level of income: Higher income generally leads to higher consumption.
• The rate of taxes paid: Taxes reduce disposable income, thereby affecting consumption levels.
• Savings: Savings represent a portion of income not spent on consumption.

The political climate, while it can impact the economy in general, does not directly determine the level of consumption. It may influence consumer confidence, but it is not a direct determinant like income or taxes.

Economics problems arise in all societies primarily due to the fundamental concept of scarcity. Scarcity means that resources are limited relative to the unlimited wants and needs of individuals and societies. Because of this, choices must be made about how to allocate these scarce resources.

Therefore, the correct answer is:

• B. resource are not in adequate supply

The International Monetary Fund (IMF) performs several key functions related to international finance:

• Providing financial aid: The IMF lends money to member countries facing balance of payments problems.
• Promoting international monetary cooperation: The IMF facilitates discussions to promote a stable international monetary system.
• Exchange rate stabilization: The IMF works to stabilize exchange rates through financial assistance and policy advice.
• Not a function: Assisting member countries in printing and issuing their currency—this is the responsibility of each country's central bank.

The consumer is in equilibrium when the marginal utility of a good equals its price. This is because the consumer is maximizing their satisfaction (utility) given their budget constraint.

• Marginal Utility (MU): The additional satisfaction from consuming one more unit.
• Price (P): The monetary cost of one unit of the good.
• Consumer Equilibrium: Occurs when \( MU = P \), meaning the consumer has no incentive to change their consumption pattern.

• Emigration: Leaving one's country reduces the labour force of the home country.
• Decrease in death rate: Leads to a larger population and labour force.
• Better medical services: Improve life expectancy and contribute to labour force growth.
• Immigration: Increases the labour force by adding new members to the population.

In a perfectly competitive market, a firm maximizes profit where marginal cost (MC) equals marginal revenue (MR):

• Marginal Cost (MC): Additional cost of producing one more unit.
• Marginal Revenue (MR): Additional revenue from selling one more unit.
• Profit Maximization: Occurs when \( MC = MR \).

The stock exchange market deals with the buying and selling of existing securities (stocks and bonds), often referred to as "second-hand" securities.

• Sales of second-hand securities: Core function of the stock exchange.
• Sales of foreign exchange: Function of the foreign exchange market.
• Exchange of stock fish for stock: Not related to financial markets.
• Exchange of treasury bills: Treasury bills may be traded, but the stock exchange deals with a wider range of securities.

The formula \( \frac{N + 1}{2} \) is used to determine the position of the median in a data set.

An injection adds funds to the circular flow of income. Injections include investments, government spending, and exports. Withdrawals (or leakages) remove funds from the circular flow.