JAMB UTME - Economics - 2019

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Changes in demand can be influenced by various factors. Among them, changes in consumer preferences, real income, distribution of incomes, and levels of taxation can all affect the quantity of a good or service that consumers are willing and able to buy at a given price. I. Changes in consumer preferences refer to shifts in the tastes and preferences of consumers. For example, if people start to prefer healthier food options, the demand for fruits and vegetables may increase while the demand for processed foods may decrease. II. Changes in real income can also impact demand. If people's real income increases, they may be able to afford more goods and services, which can lead to an increase in demand for those products. Conversely, if real income decreases, consumers may cut back on their spending, leading to a decrease in demand. III. Changes in the distribution of incomes can also affect demand. If the distribution of incomes becomes more unequal, with some people becoming much richer and others becoming much poorer, this can impact the demand for certain products. For example, if the rich become richer, they may be more willing to purchase luxury goods, leading to an increase in demand for those products. On the other hand, if the poor become poorer, they may not be able to afford certain goods, leading to a decrease in demand. IV. Changes in levels of taxation can impact demand by affecting the disposable income of consumers. If taxes increase, consumers may have less disposable income, leading to a decrease in demand for certain goods and services. Conversely, if taxes decrease, consumers may have more disposable income, leading to an increase in demand for certain products. Therefore, the answer is: I, II, III, IV, since all four factors can account for changes in demand.

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Consumer's surplus is represented by the area above the demand curve and below the market price. In the diagram, this would be the area represented by VWX. Consumer's surplus measures the difference between the amount that consumers are willing to pay for a good and the amount they actually pay. In the diagram, consumers are willing to pay more for the good up to the market price, represented by the height of the demand curve. The area VWX represents the amount by which they are benefiting from the market, as they are paying less than they would be willing to pay. So, the answer to the question is the area VWX represents consumer's surplus.

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The measure of location that is not a measure of location is "Range". A measure of location gives us an idea of where most of the values in a data set are concentrated. Arithmetic mean, Harmonic mean, and Geometric mean are all measures of location that give us a single value to represent the center of the data set. For example, the arithmetic mean is the sum of all the values divided by the number of values. The harmonic mean is the reciprocal of the arithmetic mean of the reciprocals of the data values. The geometric mean is the nth root of the product of n values. On the other hand, the range is a measure of spread, which gives us an idea of how spread out the values in a data set are. The range is simply the difference between the largest and smallest values in a data set.

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The MC (marginal cost) curve will cut the AC (average cost) curve at the minimum point on the AC curve. This is because the minimum point on the AC curve represents the lowest average cost of production, and the MC curve intersecting the AC curve at this point indicates that the marginal cost of producing one more unit is equal to the average cost. In other words, at the minimum point on the AC curve, any further increase in production would lead to an increase in the average cost.

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The basic and essential economic problems in a community are related to choice and scarcity. Scarcity refers to the limited availability of resources in any given community. These resources can include natural resources, such as land, water, and minerals, as well as human-made resources, such as factories, machines, and tools. Because these resources are limited, there is never enough of them to satisfy everyone's wants and needs. This scarcity means that individuals, businesses, and governments must make choices about how to allocate these resources in the most efficient way possible. This requires making trade-offs and decisions about what goods and services to produce, how to produce them, and who should receive them. , Freedom, and Politics, are not directly related to the basic and essential economic problems of choice and scarcity. Social class, may be related to economic problems, but is not a fundamental concept in economics.

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Effective demand for a commodity is the desire or want for that commodity backed by the ability and willingness to pay for it. This means that a person not only wants the commodity, but also has the means to purchase it and is willing to part with their money in exchange for it. For example, if someone wants to buy a new car but does not have the money to pay for it, their desire for the car is not effective demand. Similarly, if someone has the money but is not interested in buying a car, their willingness to pay is not effective demand. Effective demand requires both the desire for the commodity and the ability and willingness to pay for it. It is the combination of these two factors that drives the demand for goods and services in the economy.

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The term M33 comprises M11 together with deposits on deposit accounts held by banks and discount houses. In economics, M33 refers to a measure of the money supply in an economy, which includes all of the components of M11 (i.e. notes and coins in circulation, and deposits held by banks and building societies), as well as the deposits held by discount houses. Discount houses are financial institutions that specialize in providing short-term loans to other financial institutions, such as banks. Because they hold deposits from these other financial institutions, their deposits are included in measures of the money supply like M33. , banks only, and banks, discount houses, and stock exchanges, are not complete answers because they do not include the role of discount houses in M33. discount houses only, is not a complete answer because it excludes the role of banks in M33. banks and discount houses, is the correct and complete answer.

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The method of adding up all the rewards of the factors of production in national income is known as the "income approach." The income approach calculates national income by summing up all the income received by individuals and firms in the economy. This includes wages, salaries, interest, rent, and profits earned by the factors of production, such as labor, capital, and land. The idea behind this approach is that the total income generated in an economy is equal to the total amount spent on consumption and investment, and this spending creates the demand for goods and services produced in the economy. This method provides a comprehensive picture of the total income generated in the economy and is useful in understanding the distribution of income among different groups in the economy and the sources of economic growth.

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If two commodities are unrelated, a change in the price of one will have no effect on the quantity demanded of the other. This is because unrelated commodities are not substitutes for each other, so a change in the price of one will not affect the demand for the other. For example, if the price of apples increases, it will not affect the demand for bananas, since apples and bananas are not substitutes for each other. Similarly, if the price of bananas decreases, it will not affect the demand for apples. This is because the demand for each commodity is determined by its own factors, such as income, tastes, and preferences, and not by the price of other unrelated commodities.

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External economies arise essentially from the localization of industry. External economies occur when an industry or group of firms in a specific geographical area experience benefits beyond what they could achieve individually. This can include access to specialized suppliers, a skilled labor force, and a larger market for their products or services. Localization of industry refers to the concentration of firms in a specific area. This can create a cluster of related industries and suppliers, allowing for easier collaboration, lower transportation costs, and increased efficiency. Government policies, such as subsidies or tax incentives, may encourage the localization of industries, but they do not create external economies themselves. Similarly, a firm's individual policies and the free transferability of shares do not create external economies as they are focused on the internal operations of the firm. Overall, external economies are a result of the benefits that arise from firms operating in close proximity to each other in a specific geographic location, which can lead to increased efficiency and productivity for all firms involved.

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The last link in the channel of distribution is the Consumer. The channel of distribution refers to the path that a product takes from the producer to the final customer. The producer creates the product, and it is then sold to a wholesaler, who sells it to a retailer, and finally, the retailer sells it to the consumer. The consumer is the end user of the product and is the last link in the chain of distribution. In other words, the consumer is the person who ultimately buys the product and uses it for their own purposes. The channel of distribution is important because it helps to ensure that the product reaches the end user in a timely and efficient manner.

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In a perfect competition, the market price is determined by the market supply and demand junctions. This means that the price is set by the intersection of the supply of goods and services offered by producers and the demand for those goods and services by consumers. When there is a high demand for a good or service, the price will go up, and when there is a low demand, the price will go down. This is because producers will raise their prices when there is high demand in order to make more profit, and they will lower their prices when there is low demand to try to sell more goods. On the other hand, consumers will be willing to pay more for a good or service when there is high demand and they will be less willing to pay when there is low demand. The market price is a result of the negotiation between producers and consumers, and it reflects the balance between supply and demand in the market.

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A retailer is distinguished by the nature of its sales, which is in units. Retailers sell products in small quantities directly to consumers for their personal or household use. They purchase products from wholesalers or manufacturers and sell them to the end-users at a markup. This type of retailing typically involves a physical store where customers can browse and purchase products, but it can also include online retailing. The focus of retailing is on selling individual units of products to the consumer, rather than selling in bulk to other businesses.

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The shape of the demand curve determines whether a monopolist is able to increase their revenue by restricting output. A monopolist is the only seller in the market and has some control over the price of the good or service they provide. If the demand for their product is high, they can increase the price, and if they restrict the quantity of the product they supply, the price will go up even more. The demand curve shows the relationship between the price of a good and the quantity of it that consumers are willing and able to buy. If the demand curve is downward sloping, it means that as the price of the good increases, the quantity demanded decreases. This is because consumers will switch to cheaper alternatives when the price of the good goes up. So, if the monopolist restricts their output, the price will go up and they will make more profit as long as the demand curve remains downward sloping. However, if the demand curve becomes perfectly inelastic, meaning that the quantity demanded does not change with the price, then the monopolist will not be able to increase their revenue by restricting output. Therefore, in simple terms, the shape of the demand curve determines whether a monopolist can increase their revenue by restricting output.

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The quantity demanded (Qd) of a commodity is related to its price (P) through the equation Qd = 80 - 2P. So, if we know the price of the commodity, we can use this equation to find the quantity demanded. In this case, the price is given as ₦3. So, we can plug in this value of price into the equation to find the quantity demanded: Qd = 80 - 2P Qd = 80 - 2 * 3 Qd = 80 - 6 Qd = 74 Therefore, the quantity demanded when the price is ₦3 is 74 units.

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To find the arithmetic mean of a set of numbers, you need to add up all the numbers and divide the sum by the total number of numbers. In this case, we have six numbers, so we need to add them up and divide by 6. Adding up the numbers, we get: 5 + 8 + 10 + 15 + 24 + 28 = 90 Then, we divide the sum by the total number of numbers: 90 / 6 = 15 Therefore, the arithmetic mean of 5, 8, 10, 15, 24 and 28 is 15.

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Economics is a social science concerned with the proper use and allocation of resources for growth. Economics is the study of how society uses its limited resources to satisfy its unlimited wants and needs. It is concerned with how individuals, businesses, and governments make choices about how to use resources to produce goods and services, and how these goods and services are distributed among the members of society. The proper use and allocation of resources are essential for economic growth, which is the increase in the production and consumption of goods and services over time. This growth is achieved through the efficient use of resources to create more goods and services, which can then be distributed to meet the needs of society. Economics helps us to understand how resources are allocated and used in different economies and how these decisions affect the overall well-being of individuals and societies.

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Capital formation (CF) is equal to P minus C, where P is production and C is consumption. Capital formation refers to the process of creating new capital goods, such as factories, machines, and infrastructure, which are used to produce goods and services. This process requires investment in new capital goods and is therefore reflected as a reduction in consumption. So, CF = P - C, where P is the total amount of goods and services produced and C is the amount consumed by households, businesses, and government. This equation shows that the amount of new capital being formed is equal to the difference between what is produced and what is consumed. In simpler terms, capital formation is the amount of investment made in the economy to increase its productive capacity and support future economic growth.

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The determination of price by bargaining between buyers and sellers is called Haggling or Higgling. This is a process where buyers and sellers negotiate the price of a product or service, typically in an informal setting. The buyer wants to pay as little as possible, while the seller wants to get as much as they can. They both compromise and agree on a price that is acceptable to both parties. Haggling is common in open-air markets, street vendors, and in some cultures it's a part of the normal purchasing process. In this process, the buyer and the seller communicate and exchange information about the value of the product or service, and how much each is willing to pay or receive. The price is ultimately determined through a give-and-take negotiation, and both parties must agree on the final price for the transaction to occur.

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A contractionary monetary policy is used to control inflation. Inflation is a sustained increase in the general price level of goods and services in an economy over time. It occurs when there is too much money chasing too few goods, leading to an increase in demand and upward pressure on prices. A contractionary monetary policy is a type of economic policy used by central banks to reduce the money supply and increase the cost of borrowing, with the aim of slowing down the economy and reducing inflationary pressures. This can be achieved through several measures, such as raising interest rates, increasing reserve requirements for banks, and selling government securities in the open market. By reducing the supply of money and making it more expensive to borrow, the central bank aims to reduce spending and investment in the economy, which can help to lower inflation. A contractionary monetary policy is the opposite of an expansionary monetary policy, which is used to stimulate economic growth by increasing the money supply and lowering interest rates.

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A commodity is defined as normal when its demand changes in the same direction as income. This means that as income increases, demand for the commodity will also increase, and as income decreases, demand for the commodity will decrease. Normal goods are those goods for which demand increases as income increases, and decreases as income decreases. For example, as people's incomes increase, they may choose to buy more luxury items such as expensive cars, jewelry, or designer clothing, which would be considered normal goods. On the other hand, as people's incomes decrease, they may choose to cut back on these purchases and switch to more budget-friendly options, causing demand for normal goods to decrease.

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Low productivity and inefficiency is not a way by which government encourages industrialization. In fact, it is the opposite. Encouraging industrialization means creating a favorable environment for businesses to grow and increase productivity. Low productivity and inefficiency hinder the growth of industries, making it difficult for the government to encourage industrialization. On the other hand, protection of infant industries, establishment of Nigeria Enterprises Promotion Decree, and establishment of higher institutions are ways by which the government can encourage industrialization. Protection of infant industries involves offering support and protection to new and growing businesses to help them establish and grow. The establishment of Nigeria Enterprises Promotion Decree provides support and incentives for local businesses to grow and expand. The establishment of higher institutions provides a well-educated workforce, which is essential for industrial growth and development.

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An oil spill is the release of a liquid petroleum hydrocarbon into the environment. This can occur in a variety of ways, such as from an oil tanker that leaks or a pipeline that ruptures. The oil can contaminate the water and harm wildlife, as well as damage the natural environment and disrupt human activities such as fishing and tourism. It is important to take measures to prevent and clean up oil spills to minimize their impact on the environment and local communities.

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The demand for labor is a "derived demand". This means that the demand for labor is not a direct demand for labor itself, but rather it is derived from the demand for goods and services that labor can produce. In other words, businesses hire workers because they need them to produce the goods and services that they sell. For example, if a business sells pizzas, it will need workers to make the pizzas, deliver the pizzas, and serve the customers. The demand for labor in this case is derived from the demand for pizzas. If the demand for pizzas increases, the demand for labor to produce and deliver the pizzas will also increase. Therefore, the demand for labor is closely tied to the demand for the goods and services that labor produces, and it is derived from that demand.

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The determination of wages in a labor market depends on the interaction between the demand for and supply of labor. In simple terms, employers demand labor to produce goods and services, while workers supply their labor to earn wages. The wage rate is then determined by the equilibrium point where the demand for labor meets the supply of labor in the market. When there is a high demand for labor and a low supply, wages tend to increase because employers are competing for a limited number of workers. On the other hand, when there is a low demand for labor and a high supply, wages tend to decrease because there are more workers than jobs available. Other factors such as government policies, economic conditions, and the skills and qualifications of workers can also influence the wage rate, but the main determinant is the interaction between the demand for and supply of labor in the market.

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The use of government income and expenditure instrument to regulate the economy is called fiscal policy. Fiscal policy is a tool used by the government to influence the economy by changing the level and composition of government spending and taxation. The main aim of fiscal policy is to achieve macroeconomic objectives, such as controlling inflation, promoting economic growth and stability, and reducing unemployment. When the government increases its spending and/or reduces taxes, it injects more money into the economy, which can increase consumer spending and business investment. This can help to stimulate economic growth, create jobs, and increase aggregate demand. On the other hand, when the government reduces its spending and/or increases taxes, it takes money out of the economy, which can help to cool down an overheating economy and reduce inflation. In summary, fiscal policy involves using government income (taxation) and expenditure (spending) to influence the economy and achieve macroeconomic objectives.

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Capitalism is an economic system that uses the market mechanism. In a capitalist economy, individuals and businesses own and operate the means of production, and the prices of goods and services are determined by supply and demand in the marketplace. In simple terms, this means that people are free to produce and sell whatever they want, and consumers are free to buy whatever they want, at prices that are determined by the market. This creates an economy that is driven by competition and innovation, and is often associated with growth and prosperity. It is important to note that capitalism can take on different forms, ranging from a more laissez-faire approach with minimal government intervention, to a more regulated form with a larger role for the government in managing the economy.

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If the demand for a commodity is perfectly elastic, it means that even a small change in price will cause a significant change in the quantity demanded. In other words, consumers are very sensitive to changes in price, and if the price increases, they will simply buy another substitute product that is cheaper. Now, if a tax is imposed on this commodity, it will cause the price of the commodity to increase. Since the demand is perfectly elastic, consumers will not be willing to pay the higher price and will switch to substitute products. As a result, the entire incidence of the tax falls on the seller or producer of the commodity. This is because the higher price caused by the tax will result in a decrease in the quantity demanded, and the producer will have to reduce the price in order to sell the product. Therefore, the producer bears the entire burden of the tax. In summary, if the demand for a commodity is perfectly elastic, the incidence of a tax on that commodity will be entirely on the seller or producer, as consumers are very sensitive to price changes and will switch to substitute products if the price increases.