JAMB UTME - Economics - 2023

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A fall in the profit margin of producers in an economy will likely result in an increase in unemployment.
When the profit margin of producers decreases, it means that they are earning less profit from their business activities. As a result, they may struggle to cover their costs, sustain their operations, or expand their businesses. To manage their financial situation, producers may need to cut costs, reduce production, or even close down their business altogether.
Reduced production and business closures lead to a decrease in job opportunities and an increase in unemployment. When businesses are not making enough profit, they may need to lay off workers or reduce their workforce in order to cut costs. This means that fewer people will have jobs, resulting in higher unemployment rates.
Additionally, a fall in profit margins can also deter new businesses from entering the market or existing businesses from expanding. This further limits job creation and can exacerbate the unemployment problem.
In summary, a fall in the profit margin of producers in an economy leads to reduced production, business closures, job cuts, and a decrease in job opportunities. Therefore, the most likely resultant effect of such a decline in profit margin is an increase in unemployment.

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An example of a free good is water in the ocean.

A free good is a good that is available in unlimited supply and does not require any payment or exchange to obtain it.

In the case of water in the ocean, it is freely available and accessible to anyone. It is not owned by anyone and does not require any payment to access or use it. Therefore, it can be considered a free good.

On the other hand, free education, dinner you did not pay for, and your rented apartment are not examples of free goods.

Free education typically refers to education that is provided without direct payment by the student. While it may be free for the student, someone is still paying for it, such as the government or private institutions.

A dinner that you did not pay for may seem free to you, but someone, such as a friend or a host, is still paying for it. The cost of that dinner is borne by someone else, even if it is not you.

Similarly, a rented apartment is not a free good because it involves a transaction where you pay for the use of the apartment. You enter into a contractual agreement with the landlord and pay rent in exchange for living in the apartment.

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The quantity of a commodity that a consumer is willing and able to buy at a particular time is called demand.
Demand refers to the consumer's desire or willingness to purchase a specific product or service at a given price and at a given time. It represents the customer's intent to buy and the amount they are willing to buy at various price levels.
It is important to note that demand is not just about the desire for a particular item, but also the consumer's ability to pay for it. For example, someone may wish or desire to buy a luxury car, but if they do not have the financial means to afford it, their demand for that car is limited.
In summary, demand is the quantity of a commodity that a consumer is both willing and able to buy at a given time, reflecting their desire for the product and their ability to pay for it.

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Mono- product economy ( an economy that produces one product or commodity) is not a characteristics of developing country. The characteristics are: high level of illiteracy, dependence on agriculture, low savings and investment, low standard of living, population explosion, high death rate etc.

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Real cost is the cost of producing a good or service, including the cost of all resources used and the cost of not employing those resources in alternative uses.

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Cost push inflation occurs when overall prices increase(inflation) due to increases in the cost of wages and raw materials. It can also occur when higher costs of production decrease the aggregate supply in the economy.

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The diagram above represent a monopolist diagram.

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Macroeconomics focuses on the units of an economy in an aggregative manner, meaning it looks at the economy as a whole rather than focusing on individual units. This helps us understand how different parts of the economy interact and influence each other.
The correct option is **household, firms, government, corporate sector, and external sector**. Macroeconomics analyzes the behavior and interactions of these units to understand the overall performance of the economy.
1. **Households**: These are the individual consumers who make up the economy. They play a vital role in determining the consumption and saving patterns that influence economic activities.
2. **Firms**: Firms are the businesses that produce goods and services in the economy. Macroeconomics looks at their investment decisions, production levels, and employment to understand the overall economic growth and productivity.
3. **Government**: The government plays a significant role in macroeconomics. It collects taxes, provides public goods and services, regulates the economy, and influences economic policies such as fiscal and monetary measures to stabilize the economy.

4. **External sector**: The external sector represents international trade and the flow of goods, services, and capital across borders. Macroeconomics considers factors like exports, imports, exchange rates, and foreign investment to understand the impact of global interactions on the economy.
By examining these units in an aggregative manner, macroeconomics helps us understand how changes in one sector affect the others and ultimately impact the overall performance of the economy.

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The loans help to create poverty, as capital that could have been invested instead was channeled into debt repayment.

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Private goods are referred to as rivalrous and excludable by economists. Let me explain what this means in a simple and comprehensive way.
When a good is rivalrous, it means that one person's use or consumption of the good diminishes its availability for others. For example, if you eat an orange, there is now one less orange for someone else to consume. The consumption of the orange by one person reduces the availability of the orange for others.
On the other hand, when a good is excludable, it means that it is possible to prevent someone from using or consuming that good if they do not pay for it. For instance, if you go to a movie theater and buy a ticket, you are allowed entry to watch the movie. However, if you do not buy a ticket, you will be excluded from watching the movie.
Private goods possess both of these characteristics. They are rivalrous because one person's use or consumption of the good reduces its availability for others. For example, if you buy a car, only you can use it at any given time, and someone else cannot simultaneously use it. Private goods are also excludable because it is possible to prevent others from using or consuming the good if they do not pay for it. For instance, if you purchase a book, you have exclusive access to read it unless you choose to share it with someone.
In summary, private goods are referred to as rivalrous and excludable because their consumption diminishes their availability for others, and it is possible to exclude others from using or consuming them if they do not pay for them.

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Labour is by far the most common of the factors used in measuring productivity. One reason for this is, of course, the relatively large share of labour costs in the value of most products.

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The measure that is presently used in Nigeria to measure inflation is the Consumer Price Index (CPI). The CPI is a commonly used indicator worldwide to track changes in the cost of living over time.
The Consumer Price Index (CPI) measures the average price changes of a basket of goods and services typically purchased by households in a specific country or region. It reflects the price movements of essential items such as food, housing, transportation, healthcare, education, and many other goods and services that people consume regularly.
The CPI is calculated by collecting price data for various items in the basket and assigning them weights based on their relative importance in household spending. The prices are then compared to a base period, which is usually a specific year. The percentage change in the CPI from the base period indicates the rate of inflation or deflation.
In Nigeria, the CPI is used to monitor and analyze changes in the cost of goods and services, allowing policymakers and economists to assess the impact on consumers' purchasing power and make informed decisions. It helps in determining the effectiveness of government policies, evaluating the performance of the economy, and adjusting wages and prices.
By tracking the CPI, the government can identify if there is an increase in the general level of prices, indicating inflation, or a decrease, indicating deflation. This information helps in formulating monetary and fiscal policies to control inflation rates and maintain price stability.
Overall, the Consumer Price Index (CPI) is the measure currently used in Nigeria to gauge inflation and is crucial in understanding how the cost of living changes over time, impacting the economy and the daily lives of individuals and businesses.

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Economics is often described as a science because it uses scientific methods to explain observed phenomena. Just like other scientific fields, economics relies on gathering data, formulating hypotheses, and conducting experiments to test these hypotheses. However, unlike fields such as physics or chemistry, economics does not rely on laboratory experiments or controlled experiments. Instead, economists analyze real-world data to understand how individuals, businesses, and governments make choices and interact with each other. They use statistical methods to analyze this data and make predictions about how changes in various factors will affect economic outcomes. While it is difficult to accurately predict the behavior of individual human beings, economics aims to make accurate predictions on aggregate behavior, or how groups of people will respond to changes in factors such as prices, taxes, or policies. These predictions are based on the analysis of historical data and the use of economic models, which simplify complex economic interactions. In summary, economics is considered a science because it employs scientific methods to explain observed phenomena, although it does not rely on laboratory experiments or controlled experiments. It uses data analysis, hypothesis testing, and economic models to understand and predict how individuals and groups make economic decisions and interact with each other.

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An indicator of underdevelopment is low per capita income. Per capita income refers to the average income earned by individuals in a country. In underdeveloped countries, the per capita income is generally low, meaning that people have lower incomes on average compared to developed countries.
Low per capita income is a significant indicator of underdevelopment because it directly affects the standard of living of people within a country. With low income, individuals have limited purchasing power, making it difficult for them to afford basic necessities such as food, clothing, and shelter. This can lead to overall poor living conditions and a lack of access to essential services like healthcare and education.
Additionally, low per capita income also implies limited economic opportunities and a weak economy. It suggests that the country's productivity and industrial development are low, leading to low wages and limited job opportunities. This can result in high levels of poverty and unemployment, further hindering the country's development.
In summary, low per capita income is a crucial indicator of underdevelopment because it reflects the overall economic situation of a country and directly impacts the living conditions and opportunities available to its citizens.

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A normal demand curve slopes downward from left to right indicating at higher price, less quantity will be demanded and vice versa.

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Financial intermediaries serve as links between surplus and deficit units in an economy. These intermediaries include banks, credit unions, and other financial institutions. When there is surplus money in the economy, individuals and businesses deposit the excess funds with financial intermediaries. These intermediaries then pool these funds together and make them available to deficit units, such as individuals or businesses in need of loans or financing. Financial intermediaries play a crucial role in the economy by efficiently allocating funds from surplus units to deficit units. They match the needs of borrowers with the resources of savers, helping to facilitate economic growth and development. Tax officers and pension offices, on the other hand, do not serve as direct links between surplus and deficit units. Tax officers collect taxes for the government, while pension offices manage pension funds for retired individuals. Although these entities may indirectly impact the allocation of funds in the economy, their primary roles are different from that of financial intermediaries. Acceptance houses are also not direct links between surplus and deficit units. Acceptance houses provide short-term financing through the purchase of bills of exchange. While they play a role in facilitating trade between businesses, their function is more specific and limited compared to the broader role of financial intermediaries. In summary, financial intermediaries such as banks and credit unions serve as the primary links between surplus and deficit units in an economy. They gather surplus funds from savers and make them available to borrowers, thereby promoting the efficient allocation of resources.

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The type of price elasticity of demand for a commodity whose quantity demanded remains unchanged despite changes in the price is **perfectly inelastic**. When the demand for a commodity is perfectly inelastic, it means that the quantity demanded does not respond at all to changes in price. This usually occurs when there are no close substitutes for the commodity, or when the commodity is a necessity that people cannot easily do without. To understand it in a simple way, imagine a situation where the price of a life-saving medication for a critical illness increases significantly. In such a case, even if the price increases, the quantity demanded for the medication will remain the same because the individuals who need it have no other option but to purchase it at any cost. Therefore, the demand for such a medication is perfectly inelastic, as it does not change with variations in price. In summary, when the demand for a commodity is perfectly inelastic, it means that consumers are willing to pay any price for it, and the quantity demanded does not change despite fluctuations in price.

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Point 'E" inside the graph indicates it is technologically inefficient" , Underemployed" or wide spread unemployent" or resources are not fully utilized or production inefficient"

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The part of income after tax that is not consumed is defined as saving. Saving refers to the portion of income that is not spent on immediate consumption and is instead put aside for future use.
When we receive our income, we typically have various expenses to cover, such as bills, groceries, and entertainment. After deducting these expenses and taxes, we are left with a certain amount of money. If we choose not to spend this remaining amount and instead keep it for later, we are saving that money.
Saving is important because it allows us to build up financial security and prepare for unexpected expenses or future goals. It can also be used for long-term investments, such as buying a house or planning for retirement.
In summary, saving is the part of our income that we choose to set aside rather than using it immediately for consumption.

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A quota on imports is a restriction imposed by a government on the quantity of goods that can be imported into a country. It is typically done to protect domestic industries and promote economic growth.

Out of the given options, a government imposing a quota on imports would not be done to decrease tax revenue. In fact, the purpose of implementing import quotas is quite the opposite – to increase tax revenue by protecting domestic industries and promoting their growth.

Let's understand this further:

1. To support strategic industry: One of the main reasons governments impose import quotas is to protect and support domestic industries that are considered strategically important for the country's economy. By limiting imports, the government aims to give domestic industries an advantage by reducing competition from foreign firms.

2. To prevent dumping: Dumping refers to the practice of selling goods in another country at prices lower than their production costs or market value. This undermines domestic industries and poses a threat to their survival. By imposing import quotas, the government can control the influx of dumped products and protect domestic industries from unfair competition.

3. To decrease tax revenue: This option is incorrect because imposing import quotas does not aim to decrease tax revenue. When imports are restricted, domestic industries have less competition, which allows them to charge higher prices. As a result, the government can collect more tax revenue from these higher-priced goods, thus increasing its overall revenue.

4. Employment opportunity: Another reason governments may impose import quotas is to create employment opportunities. By limiting imports, domestic industries can expand their production and hire more workers to meet the local demand. This helps in reducing unemployment and improving the overall economic conditions of the country.

In conclusion, the correct answer is that a government would not impose a quota on imports to decrease tax revenue. Import quotas are intended to protect strategic industries, prevent dumping, and create employment opportunities, while also increasing tax revenue.

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The decision to consume more of one product under normal circumstances will **result in less consumption of another product**. When we have a limited amount of resources, we can only allocate them in certain ways. This is true for both individuals and businesses. If we choose to consume more of one product, it means we are using some of our resources to produce more of that product. As a result, we have less resources available to produce or consume other products. Let's take an example to understand this concept better. Suppose you have $10 to spend on food, and you can either choose to buy more fruits or more vegetables. If you decide to buy more fruits, it means you are allocating more of your budget towards fruits. As a result, you will have less money left to buy vegetables. On the other hand, if you decide to buy more vegetables, it means you are allocating more of your budget towards vegetables, and you will have less money left to buy fruits. Similarly, in a market economy, if consumers decide to buy more of one product (like smartphones), the demand for that product increases. This leads to an increase in production and consumption of smartphones. However, the resources used to produce smartphones are limited. Therefore, the production of other products (like laptops or tablets) may decrease because fewer resources are available to produce them. In conclusion, when the decision is made to consume more of one product, it generally means that less of another product will be consumed. This is because resources are limited and need to be allocated among different options.

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Economic profit = Total revenue(Output) - Opportunity cost of input
= 1,000,000 - 750,000
= 250,000

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The economies of West African countries primarily depend on primary products.
Primary products refer to raw materials or natural resources that are extracted directly from the earth or sea. These resources typically include agricultural products such as crops, livestock, and fisheries, as well as minerals and natural resources like oil, gas, and minerals.
West African countries, like many developing nations, tend to have economies that are heavily reliant on these primary products. This reliance is due to a combination of factors such as the abundance of natural resources in the region and historical patterns of economic development.
Agriculture plays a significant role in the economies of West African countries, with a large percentage of the population engaged in farming activities. These countries export a variety of agricultural products, including cocoa, coffee, palm oil, cotton, and timber. These exports generate significant revenue and contribute to the overall economic growth of these nations.
Additionally, West Africa is rich in mineral resources such as gold, diamonds, bauxite, and iron ore. The extraction and export of these minerals also contribute to the economic development of these countries.
While some West African countries have started to diversify their economies and develop secondary and tertiary sectors, the primary sector remains a vital component of their economies. However, it is important for these countries to also focus on diversification and value addition to their primary products to reduce their vulnerability to fluctuations in global commodity prices and achieve sustainable growth.

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When there is an increase in money income but the prices of goods and services remain the same, it will result in an outward shift in the budget line. To understand this, let's imagine a simple scenario where a person has a fixed amount of money to spend on different goods and services. This fixed amount of money represents their income. Now, if their income increases but the prices of goods and services they want to buy stay the same, they will have more money to spend. This means they can afford to buy more of each item. As a result, the budget line, which shows the different combinations of goods and services that can be bought with a given income, will shift outward. This indicates that they can now afford to buy a greater quantity of goods and services than before. Therefore, the correct answer is an "outward shift in the budget line" when there is an increase in money income with constant prices.

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- Monetary policy is implemented by reducing the interest rates in the economy in order to increase the supply of money to enhance growth.

- The fiscal policy is implemented by the reduction of taxes and increasing government spending in order to boost demand.

- Policymakers may choose to implement a stabilization policy to close the recessionary gap and increase real GDP.

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To calculate the equilibrium level of national income (Y), we start with the equation Y = C + I + G. In this equation, C represents consumption spending, I represents investment spending, and G represents government spending. Now, let's substitute the given values into the equation: C = 100 + 0.75Y I = 50 G = 200 Substituting these values, we get: Y = (100 + 0.75Y) + 50 + 200 To solve for Y, we need to simplify the equation: Y = 100 + 0.75Y + 50 + 200 Combining like terms, we have: Y = 350 + 0.75Y Next, we can solve for Y by isolating it on one side of the equation. To do this, we can subtract 0.75Y from both sides: Y - 0.75Y = 350 Simplifying further, we have: 0.25Y = 350 Finally, we can solve for Y by dividing both sides of the equation by 0.25: Y = 350 / 0.25 Calculating this, we find: Y = 1400 So, the equilibrium level of national income (Y) is 1400.

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A tariff is a tax that is imposed on imported goods. It is a financial charge that a government puts on goods that are being brought into the country. The purpose of a tariff is to protect domestic industries and businesses from competition from imported goods. By placing a tax on imported goods, it becomes more expensive for consumers to buy those goods, making them less appealing compared to domestic alternatives. This gives domestic industries a competitive advantage and helps support local businesses and jobs. So, the correct answer is imported goods.

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The government uses various methods to redistribute income in society. Three of these ways are market intervention, transfer earnings, and taxation. Market intervention involves the government stepping in and regulating certain aspects of the economy to ensure fairness and reduce income inequality. For example, the government may set a minimum wage so that workers are guaranteed a certain level of income. Transfer earnings refer to government programs that provide financial assistance to individuals or families who are in need. These programs include welfare, unemployment benefits, and social security. The goal is to provide support to those who may have lower incomes or are facing financial difficulties. Taxation is another method used by the government to redistribute income. Through taxes, the government collects money from individuals and businesses based on their income or profits. This revenue is then used to fund public services such as healthcare, education, infrastructure, and social programs. However, the answer to the question is that the government does not use limited liability as a way to redistribute income. Limited liability is a legal concept that protects individuals from being personally liable for the debts and liabilities of a company. It is not directly related to income redistribution. In summary, the government redistributes income through market intervention, transfer earnings, and taxation. These methods aim to promote fairness and provide support to those in need. However, limited liability is not a method used for income redistribution.

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An increase in nominal income without an increase in prices will result in an **increased real income**. Nominal income refers to the amount of money a person earns or receives in a given period, without taking into account changes in prices. On the other hand, real income takes into consideration the effects of inflation by adjusting for changes in prices. When nominal income increases but prices remain constant, it means that the purchasing power of an individual's income has increased. In other words, they can afford to buy more goods and services with the same amount of money. This increase in purchasing power leads to an increase in real income. For example, let's say a person's nominal income is $1,000 per month, and the prices of goods and services they consume also remain constant. If their nominal income increases to $1,200 per month, without any increase in prices, they now have an additional $200 to spend on other things. This additional purchasing power translates to an increase in their real income. It is important to note that an increase in nominal income without an increase in prices does not necessarily lead to an **increased GDP** or a **decreased GNP**. GDP (Gross Domestic Product) measures the total value of goods and services produced within a country's borders, while GNP (Gross National Product) measures the total value of goods and services produced by a country's residents, including those produced abroad. The increase in real income of individuals does not automatically impact the overall production levels captured by GDP or GNP.

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Economic agents are entities that make economic decisions. They include households, firms, and the government. The Central Bank, while an important institution, is not considered an economic agent as it does not make decisions about what, how, and for whom to produce. It is responsible for monetary policy and regulating the financial system.

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If GDP falls, then people demand less money for transactions. As interest rate rise (fall), the demand for money will fall(rise).

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An example of expansionary monetary policy by the Central Bank of Nigeria is "buying Treasury securities from commercial banks." Expansionary monetary policy is a type of policy implemented by the central bank to stimulate economic growth and increase the supply of money in the economy. This policy is typically used during times of economic downturn or recession to encourage spending and investment. When the Central Bank of Nigeria buys Treasury securities from commercial banks, it injects money into the economy. This increases the amount of money available in the banking system, making it easier for banks to lend to businesses and individuals. By increasing the money supply, the central bank aims to lower interest rates, which in turn encourages borrowing and spending. Lower interest rates mean that businesses and individuals can access credit more easily, leading to increased investment, consumer spending, and economic growth. This expansionary policy can help support economic activity, boost employment, and stimulate overall economic recovery.

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An industry is a group of firms producing similar products and under separate administration or management.

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To calculate the elasticity of demand, we need to compare the changes in price and quantity demanded.
First, let's calculate the percentage change in price:
% change in price = ((new price - old price) / old price) x 100
% change in price = ((6 - 8) / 8) x 100
% change in price = (-2 / 8) x 100
% change in price = -25%
Next, let's calculate the percentage change in quantity demanded:
% change in quantity demanded = ((new quantity demanded - old quantity demanded) / old quantity demanded) x 100
% change in quantity demanded = ((30 - 20) / 20) x 100
% change in quantity demanded = (10 / 20) x 100
% change in quantity demanded = 50%
Now, let's calculate the elasticity of demand:
Elasticity of demand = % change in quantity demanded / % change in price
Elasticity of demand = 50% / -25%
Elasticity of demand = -2
The elasticity of demand is -2.
Explanation:
The negative sign in the elasticity of demand (-2) indicates that the demand for carrots is price elastic. This means that a decrease in price by 1% will lead to a more than proportionate increase in quantity demanded by 2%. In simpler terms, when the price of carrots decreased by 25%, the quantity demanded increased by 50%.
Therefore, the elasticity of demand is -2, which means that the demand for carrots is price elastic.

But since price elasticity is always represented with a positive number, the answer is 2

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The causes of balance of payment deficit are: low level of agriculture, low level of technological development, inadequacies in export promotion strategy, political instability, poor social and economic infrastructure, servicing of huge external debts, existence of import dependent industries etc.

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Money can be defined as a medium of exchange that is universally accepted for buying goods and services. It enables people to easily trade with one another, without the need for bartering or trading directly with goods. In simpler terms, money is like a common language that everyone understands and uses to exchange things they want or need.

Money also serves as a settlement of debt because it allows individuals, businesses, and even governments to repay what they owe. When someone borrows money or takes a loan, they can later use money to pay back the lender. Similarly, if someone owes money to another person, they can use money to settle that debt.

Additionally, money is a medium of payment. It is used to complete transactions and make payments for goods and services. Whether you are buying groceries, paying for a movie ticket, or purchasing a new gadget, money is the common method of payment.

To summarize, money is a medium of exchange, settlement of debt, and medium of payment. It simplifies trade, enables the repayment of debts, and facilitates transactions in our daily lives.

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The type of economy that exists in these countries is Mixed economy.

A mixed economy is an economic system that combines elements of both market and planned economies. It includes both private and public sectors, and the government plays a significant role in regulating and defining the structure of the economy.

In the given scenario, the fact that the countries have different levels of public expenditure as a percentage of GDP indicates that the government plays a role in the economy and is involved in spending a portion of the national income.

While the exact percentage of public expenditure varies between the countries, the presence of any public expenditure suggests government intervention and regulation in the economy. This means that these countries have a mixed economy, where both public and private sectors coexist and contribute to economic activities.

The government's involvement can take various forms, such as funding public goods and services, implementing social programs, and regulating industries. The level of government intervention may vary, but the presence of public expenditure indicates that the government has an active role in shaping the economy.

Therefore, based on the information provided, it can be concluded that the countries mentioned in the table have a mixed economy.

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The theory of absolute advantage was propounded by Adam Smith while the theory of comparative advantage was propounded by David Ricardo.

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To calculate the total product of cassava, we need to multiply the average production per person by the number of people.
In this scenario, we know that there were 40 men employed in the farm, and each person produced an average of 30 tonnes of cassava.
So, to find the total product, we need to multiply 40 by 30.
40 x 30 = 1200
Therefore, the total product of cassava is 1,200 tonnes.

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Investment is an activity of spending resources on creating assets that can generate income over a long period of time. It is flow of expenditures developed to projects producing goods which are intended for immediate consumption.