JAMB UTME - Economics - 2022

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Even if a firm closes down, it will still incur some fixed costs. Fixed costs are expenses that must be paid regardless of the level of production or whether the business is operating or not. These costs include things like rent, insurance, salaries of employees on long-term contracts, and equipment leases. Variable costs, on the other hand, are expenses that vary depending on the level of production or business activity. For example, the cost of materials or labor directly related to producing goods or services. If the firm closes down, it will not incur variable costs because it will not be producing any goods or services. Total cost is the sum of fixed and variable costs, so if the firm is not producing anything, the total cost will be equal to the fixed cost. Marginal cost is the cost of producing one additional unit of a good or service. If the firm is closed down, there is no production, so there is no marginal cost.

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Commercial banks and development banks serve different functions within the financial system. Commercial banks are focused on providing financial services to individuals and businesses, such as deposit accounts, loans, and credit cards. They generally lend on a short-term basis and deal in a variety of currencies, including foreign currencies. In contrast, development banks are focused on promoting economic development and supporting long-term projects that may not be attractive to commercial banks. They typically provide financing for large infrastructure projects, such as highways, railways, and power plants, as well as small and medium-sized enterprises. Development banks may be government-owned, private, or a combination of both, and their main goal is to support economic growth and development. Development banks may also offer technical assistance and advisory services to help businesses and governments develop the skills and expertise needed to manage large-scale projects effectively. Unlike commercial banks, development banks may not pay interest on current accounts and may have different lending terms and requirements based on the specific needs of the project or business being financed.

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Economics problems arise in all societies because of the fundamental concept of scarcity. Scarcity means that the resources available to society are limited, while the wants and needs of individuals are virtually unlimited. This leads to a situation where individuals, businesses, and governments have to make choices about how to allocate scarce resources in the most efficient and effective way possible. For example, a society may want to provide free healthcare to all its citizens, but it may not have the resources to do so. Alternatively, a business may want to produce more products, but it may not have the resources to expand its production line. These are just two examples of the countless economic choices that are made every day. Mismanagement of resources by leaders, lack of planning, inadequate supply of resources, and underutilization of economists are some of the factors that can exacerbate economic problems in a society. However, the underlying cause of economic problems is the scarcity of resources, which requires individuals and institutions to make difficult choices about how to allocate those resources.

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The stock exchange is an example of a capital market. A capital market is a market where individuals and institutions trade financial securities, such as stocks and bonds, with the goal of raising capital. In other words, the capital market is where businesses can go to raise money by selling ownership in the company (stocks) or borrowing money (bonds) from investors. The stock exchange is a specific type of capital market where publicly-traded companies can sell ownership in the form of stocks to the public. Investors can buy and sell these stocks on the exchange, and the value of the stocks can rise or fall based on various factors, such as the company's financial performance, overall market conditions, and investor sentiment. Overall, the stock exchange and other capital markets play an important role in facilitating the flow of capital and resources throughout the economy, helping businesses raise funds to invest in growth and development, and providing investors with opportunities to earn a return on their investment.

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If the mining sector contributes 60% to the Gross Domestic Product (GDP), then its contribution can be calculated by multiplying the GDP by 60% (or 0.60, which is the decimal equivalent of 60%).

So, the contribution of the mining sector to the GDP is:

Contribution of mining sector = GDP x 60%

= $540 x 0.60

= $324

Therefore, the contribution of the mining sector to the GDP is $324. 

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Detalles de la respuesta

The firm is said to be experiencing diseconomies of scale if the cost of production continues to increase as its output rises. Diseconomies of scale occur when the firm becomes too large, and the increased complexity and coordination costs of managing a large organization outweigh the benefits of increased production. This can result in a decrease in efficiency, productivity, and profitability for the firm.

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Producers operating in a free market economy are more efficient as a result of the existence of competition. In a free market, businesses compete with each other for customers by offering better quality products, lower prices, or both. This competition forces producers to be efficient and innovative in order to remain competitive and attract customers. As a result, businesses are motivated to increase productivity, reduce waste, and improve their products and services to meet customer needs. The competition also leads to more choices for consumers and lower prices, as businesses strive to provide the best value for money. In contrast, if there were no competition, businesses would have less incentive to improve their operations, resulting in lower efficiency and higher prices for consumers.

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A greater burden of the taxes on essential goods is typically borne by the lower income group. This is because essential goods such as food, clothing, and shelter make up a larger proportion of the budget of low-income households than they do for high-income households. When taxes are applied to these goods, the cost of living increases proportionally for low-income households, putting a greater burden on their limited resources. In contrast, high-income households can more easily absorb the higher costs without significantly affecting their standard of living.

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The International Bank for Reconstruction and Development (IBRD) as an international monetary institution is concerned with the development of infrastructure in member nations. The IBRD, also known as the World Bank, was established to help finance the reconstruction and development of war-torn and developing countries after World War II. The bank provides loans, technical assistance, and other financial services to support projects in a variety of sectors, including infrastructure development, such as transportation, energy, and communication networks, among others. While the IBRD is concerned with the economic development of member nations, it is not primarily focused on financing private business or improving trade among member nations, although these may be outcomes of its operations. Additionally, the IBRD may also provide assistance to member nations facing balance of payments problems, but this is not its primary objective.

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When the central bank increases the bank rate, it becomes more expensive for banks to borrow money from the central bank. This in turn causes interest rates on loans and mortgages offered by commercial banks to increase as well. As a result, people and businesses are less likely to take out loans, because they have to pay more in interest. So, borrowing is discouraged. On the other hand, banks are able to charge more for loans, so they can increase their profits. However, this increase in interest rates can also lead to a decrease in spending, which can slow down economic growth.

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To compare the standard of living among nations, the most widely used economic indicator is the real per capita income. This is a measure of the average income per person in a given country, adjusted for inflation to reflect the purchasing power of that income. It is calculated by dividing the real gross domestic product (GDP) of a country by its population, which gives a sense of the economic output per person. While per capita nominal income and real gross national income are also used as economic indicators, they do not take into account inflation or differences in the cost of living across countries, which can make them less useful for comparing living standards. Real domestic output is not as widely used as real per capita income as it does not take into account the size of the population, which is an important factor in determining the standard of living.

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If a demand curve that intersects a perfectly inelastic supply shifts rightward, the equilibrium price will increase, but the quantity supplied will remain the same. In this scenario, a shift in the demand curve to the right indicates that there is an increase in demand for the product at every price level, leading to a new equilibrium price and quantity. However, the supply is perfectly inelastic, meaning that the quantity supplied cannot increase to meet the new demand. Therefore, the equilibrium quantity remains the same, while the equilibrium price increases. So, only the price will increase in this scenario.

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An iron rod cannot be classified as a natural resource. A natural resource is a material or substance that occurs naturally in the environment and can be used for economic gain. Natural resources can be classified into renewable and non-renewable resources. Renewable resources are those that can be replenished over time, such as solar energy, wildlife, and forests. Non-renewable resources are those that cannot be replenished, such as minerals and fossil fuels, including gold. An iron rod is not a natural resource because it is a manufactured item made from iron, which is a natural resource. The iron has been extracted from the earth and processed to make the rod, which is then used for various purposes. So, while the raw material (iron) may be a natural resource, the finished product (the iron rod) is not.

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The ordinary partner in a partnership typically has unlimited liability in case of business failure. This means that they can be held personally liable for any debts or obligations of the business that are not satisfied by the assets of the partnership. This is a major disadvantage of a partnership, as it exposes the personal assets of the partners to the risk of loss in the event of business failure. While the extent of the involvement of the ordinary partner in the management of the business may vary, they are typically expected to take an active part in the management and decision-making of the partnership. As such, they cannot be said to take no active part in the management of the business. Furthermore, as a general rule, partners are jointly and severally liable for the actions of the partnership, which means that they can be sued personally on matters relating to the business. Limited liability, on the other hand, is a characteristic of some types of business entities such as limited liability companies (LLCs) and corporations.

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The term "Gross National Product (GNP) less the provision for the wear and tear of assets" refers to the Net National Product (NNP). The Net National Product (NNP) is a measure of the total economic output of a country, which takes into account the depreciation or wear and tear of the country's capital assets. Capital assets are things like buildings, machinery, and other long-term investments that contribute to a country's economic output. When we subtract the depreciation from the Gross National Product (GNP), which is the total value of goods and services produced by a country's residents, we arrive at the Net National Product (NNP). The reason we need to subtract depreciation from the GNP is that capital assets, such as buildings and machinery, wear out over time and lose value. If we didn't account for this loss of value, we would overestimate the country's economic output. For example, suppose the GNP of a country is $1 trillion, and the depreciation or wear and tear on its capital assets is $100 billion. In that case, the NNP of the country would be $900 billion ($1 trillion - $100 billion). In summary, the Net National Product (NNP) is the Gross National Product (GNP) minus the provision for the wear and tear of assets or depreciation. It gives us a more accurate measure of a country's economic output by accounting for the loss of value in capital assets over time.

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To solve this problem, we need to first understand what a pie chart is and how it works. A pie chart is a circular graph that is divided into sectors, with each sector representing a proportion of the whole. The size of each sector is proportional to the quantity it represents, so we can use it to determine the percentage or fraction of the whole that each quantity represents.

In this case, the city's population is represented by 45 degrees of the pie chart. If we assume that the pie chart represents the entire country's population, which is 10 million people, then the fraction of the country's population represented by the city is:

45 degrees / 360 degrees = 1/8

This means that the city's population is 1/8 of the entire country's population. To find out the actual population of the city, we can multiply the fraction by the total population:

(1/8) x 10 million = 1.25 million

Therefore, the correct answer is 1.25 million.

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The production process described in the question, where the marginal physical product of the variable factor increases as more units of it are added to a fixed factor, is referred to as increasing returns to the variable factor. In this case, the variable factor is becoming increasingly productive as more units of it are added, which results in an increase in the marginal physical product. Increasing returns to scale, on the other hand, refer to the situation where an increase in all factors of production leads to a more than proportionate increase in output. Constant returns to the variable factor occur when increasing the variable factor by a certain percentage leads to a proportional increase in output. Finally, external economies of scale refer to the cost advantages that a firm experiences as a result of factors outside of its control, such as the growth of an industry or the development of infrastructure.

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If the government imposes a minimum price on a commodity, it means that sellers cannot sell the commodity for a price lower than the minimum price set by the government. This is done to ensure that the producers of the commodity are getting a fair price for their goods. When a minimum price is set, it may result in excess supply (market surplus) of the commodity, as producers may be incentivized to produce more of the commodity at the higher price. However, the surplus can be reduced if the government buys the excess supply or if producers reduce their production. In the short-run, the market may be cleared, which means that all of the available supply of the commodity is sold at the minimum price set by the government. However, in the long-run, excess demand may occur as the minimum price may discourage buyers from purchasing the commodity. Therefore, government regulation may still be needed to ensure that the market operates efficiently, even with the minimum price in place.

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A free trade area is a form of economic integration where member nations agree to eliminate tariffs and trade barriers on goods and services traded among themselves. However, each member nation is still free to impose duties against non-member nations. In other words, members have a free trade agreement with each other, but they can still have their own trade policies towards non-members. In contrast, a customs union is an advanced form of a free trade area where member nations not only eliminate tariffs among themselves, but they also agree to have a common external tariff towards non-member nations. This means that all goods entering the customs union must pay the same tariffs, regardless of which member nation they are entering. A common market is a further step towards integration, where not only goods, but also factors of production such as capital and labor can freely move among member nations. This allows for a more integrated and efficient market, but it also means that member nations have less control over their trade policies. An economic community is a broader form of integration, where member nations agree to coordinate and harmonize their economic policies in a wide range of areas, including trade, monetary policy, and fiscal policy. This is the most advanced form of integration, as it involves a high degree of cooperation and coordination among member nations.

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Nations engage in external trade because of the differences in comparative cost, also known as comparative advantage. Comparative advantage is the ability of a country to produce goods or services at a lower opportunity cost than another country. Opportunity cost is the cost of one choice in terms of the best alternative that must be given up. In other words, it's the cost of producing one product in terms of the number of other products that could have been produced instead. For example, let's say that Country A can produce both cars and computers, but it can only produce one of them at a time. If Country A devotes all its resources to producing cars, it can produce 100,000 cars per year. If it devotes all its resources to producing computers, it can produce 50,000 computers per year. Meanwhile, Country B can produce 60,000 cars per year or 30,000 computers per year. In this case, Country A has a comparative advantage in producing cars because it has a lower opportunity cost of producing cars compared to computers. As a result, Country A can produce cars at a lower cost and sell them to Country B, which can in turn produce computers at a lower cost and sell them to Country A. This allows both countries to benefit from trade and improve their overall welfare. In summary, nations engage in external trade because of the differences in comparative cost, which allow countries to specialize in producing goods and services that they can produce more efficiently and trade with other countries for goods and services that they cannot produce efficiently. This creates mutual benefits for all countries involved.

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Based on the pie chart, the Education sector is represented by 1/3 of the total budget allocation. To find out how much is allocated to Education, we can calculate 1/3 of the total budget: 1/3 x $7,200 = $2,400 Therefore, the answer is $2,400.00.

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In the long run, all production factors are "variable." This means that in the long run, a firm can adjust all of its production inputs, including labor, capital, and technology, to change the scale of its operations. In the short run, some inputs may be fixed, such as the size of the factory, which can only be changed in the long run. But in the long run, all inputs can be varied to optimize production and increase efficiency. The ability to adjust all inputs in the long run is what distinguishes the long run from the short run in the theory of production.

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Under flexible exchange rates, a deficit could be corrected by the appreciation of other currencies. Flexible exchange rates are determined by market forces of supply and demand, without any government intervention. This means that the value of a country's currency can fluctuate based on changes in economic conditions and market expectations. In the case of a deficit, the demand for a country's currency will decrease, causing its value to fall relative to other currencies. This depreciation can make the country's exports cheaper and more competitive, while making imports more expensive, which can help correct the deficit. On the other hand, the appreciation of other currencies can make a country's exports more expensive and reduce demand for them, which can worsen the deficit.

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The situation in which all inputs are doubled and the output also doubles is known as "constant returns to scale." This means that if a firm increases all of its inputs by a certain proportion, the output will also increase by the same proportion. In other words, the production function exhibits constant returns to scale if increasing all inputs by a constant factor results in an output increase by the same constant factor.

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In a free market economy, the rationing of scarce goods is principally done by the price mechanism. The price of a good is determined by the forces of supply and demand in the market. When the supply of a good is limited and demand for it is high, the price of that good will increase. This higher price will serve as an incentive for producers to increase their supply of the good, and for consumers to reduce their demand for it. As a result, the scarce good will be rationed among consumers based on their willingness to pay the higher price. This process occurs naturally without the need for government intervention or control, and is a key feature of a free market economy.

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Marginal cost refers to the cost of producing one additional unit of a good or service. It is the cost of producing the last or extra unit of output. This cost includes the variable costs of producing the additional unit, such as the cost of materials and labor, but it does not include fixed costs like rent or salaries, which do not change with the level of production. The concept of marginal cost is important in economics because it helps businesses and policymakers make decisions about how much to produce, what price to set for their goods or services, and whether to enter or exit a market. By analyzing their marginal costs, businesses can determine whether producing an additional unit of a good will be profitable or not.

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The concept of unemployment of labor is not emphasized in a product possibility curve. A product possibility curve is a graphical representation of the trade-off between two goods that an economy can produce, given its limited resources and technology. The curve shows the maximum combinations of the two goods that can be produced with the available resources, taking into account that some resources are better suited for producing one good over the other. The emphasis is on the scarcity of resources and the efficiency with which they are being used, not on the employment of labor.

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Fiscal policy measures imply a change in government revenue and expenditure to regulate an economy. Fiscal policy is a tool used by governments to influence the economy by adjusting their spending levels and tax rates. This can be done by either increasing or decreasing government spending and taxes in order to achieve specific economic goals, such as controlling inflation, boosting employment, or promoting economic growth. For example, if the government wants to stimulate economic growth, it may increase its spending on infrastructure projects or offer tax incentives to businesses. Conversely, if the government wants to control inflation, it may decrease government spending and increase taxes to reduce the amount of money circulating in the economy. Therefore, fiscal policy measures involve making changes to both government revenue and expenditure in order to achieve specific economic objectives.

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The major role of multi-national companies in the petroleum industry in Nigeria is oil prospecting. These companies typically invest heavily in exploration, drilling, and production of crude oil in Nigeria, which is one of the largest oil-producing countries in Africa. The multi-national companies also play a significant role in the development of Nigeria's oil and gas infrastructure, including pipelines, storage facilities, and export terminals, which are necessary for getting the oil to international markets. While some of these companies are also involved in downstream activities such as oil marketing and refining, their primary role in Nigeria's petroleum industry is oil exploration and production.

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A positive effect of a rapid population increase is a wider market for goods and services. When there are more people in a country, there is a higher demand for goods and services, which can lead to economic growth and development. As more people are born and immigrate to a country, they will need housing, food, clothing, healthcare, and other goods and services, which can lead to an increase in jobs and businesses. This wider market for goods and services can stimulate economic growth, create job opportunities, and ultimately improve the standard of living for individuals in the country. However, it is important to note that rapid population growth can also bring challenges such as pressure on resources and infrastructure, which can lead to other negative effects.

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Budget deficit is the amount by which total expenditure exceeds revenue. A budget deficit occurs when a government or organization spends more money than it takes in through revenue, such as taxes or other sources of income. This can result in the accumulation of debt over time, which can have long-term implications for the financial health of the government or organization. While recurrent expenditure and capital expenditure are both types of expenditures that can contribute to a budget deficit, neither of these terms captures the full picture of a budget deficit. Recurrent expenditure refers to ongoing or routine expenses such as salaries, utilities, and other operating costs, while capital expenditure refers to spending on assets such as buildings, equipment, and infrastructure. A budget deficit can result from either type of expenditure, as well as from other sources of spending such as debt servicing or unexpected events that require emergency spending.

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The elasticity of demand measures the responsiveness of the quantity demanded of a commodity to a change in its price. In this case, when the price of the commodity increased from $4.00 to $5.00, the quantity demanded increased from 20 units to 30 units. To calculate the elasticity of demand, we use the following formula: Elasticity of demand = (percent change in quantity demanded) / (percent change in price) First, let's find the percent change in quantity demanded: (30 units - 20 units) / 20 units = 0.50 or 50% Next, let's find the percent change in price: (5.00 - 4.00) / 4.00 = 0.25 or 25% Finally, let's plug in the values into the formula: Elasticity of demand = 0.50 / 0.25 = 2.00 So, the elasticity of demand in this case is 2.00. This means that a 1% increase in price leads to a 2% decrease in the quantity demanded.