JAMB UTME - Economics - 2024

What add funds to the circular flow?

Answer Details

The concept of the circular flow of income represents how money moves within an economy among consumers, businesses, and various markets. In this circular flow, three key elements can either add to or reduce the flow of funds: **leakages** and **injections**.

Leakages are the flows of money that exit the circular flow. They reduce the amount of money that circulates within the economy. Common leakages include savings, taxes, and imports. For instance, when individuals save money instead of spending it, that money is not used to purchase goods or services, thus exiting the circular flow.

Injections, on the other hand, are the activities or financial inflows that add funds to the circular flow of income, ensuring continued economic activity. They increase the total amount of money circulating in the economy. These include investment, government spending, and exports.

• Investment: When businesses invest in capital goods, they increase the production capability, leading to more employment and income.
• Government Spending: When the government spends on infrastructure, social services, or other public projects, it injects money directly into the economy.
• Exports: When a country sells goods and services to other countries, new money flows into the country's economy from foreign buyers.

The expenditure approach is a method for calculating a nation's Gross Domestic Product (GDP) by considering the total expenditure on the nation's final output of goods and services in a year. While this approach helps to measure the size of the economy, it is not directly responsible for adding funds to the circular flow. Instead, it relies on the activities of consumption, investment, government spending, and net exports.

In conclusion, it is the concept of injection that directly adds funds to the circular flow, stimulating economic activities and growth by multiplying the effects of initial spending through the economy.

Answer Details

The concept we are discussing here is the Price Elasticity of Demand (PED). It measures how much the quantity demanded of a commodity changes with a change in its price. The formula for calculating the price elasticity of demand is:

PED = (% Change in Quantity Demanded) / (% Change in Price)

First, we calculate the percentage change in quantity demanded:

• Initial quantity demanded = 100 units
• New quantity demanded = 80 units
• Change in quantity demanded = New quantity demanded - Initial quantity demanded = 80 - 100 = -20 units

Percentage change in quantity demanded:

= (Change in quantity demanded / Initial quantity demanded) × 100

= (-20 / 100) × 100 = -20%

Next, calculate the percentage change in price:

• Initial price = N8.00
• New price = N10.00
• Change in price = New price - Initial price = N10.00 - N8.00 = N2.00

Percentage change in price:

= (Change in price / Initial price) × 100

= (2 / 8) × 100 = 25%

Now, we can substitute these values into the formula for PED:

PED = (% Change in Quantity Demanded) / (% Change in Price)

= (-20%) / (25%)

= -0.8

The price elasticity of demand is -0.8. The negative sign indicates that there is an inverse relationship between price and quantity demanded, which is normal for most goods. This value rounded to the nearest value provided in your options is 0.8. This implies it is inelastic demand, meaning the quantity demanded is not very responsive to price changes.

Producers operating in a free market economy are more efficient as a result of

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In a free market economy, multiple producers are allowed to enter the market and compete with each other. This competition creates incentives for producers to become more efficient in order to gain a competitive advantage. When producers compete, they strive to offer better quality products, lower prices, and improved customer service. To achieve these goals, they need to find ways to reduce costs, increase productivity, and innovate. The pressure of competition encourages producers to constantly improve their efficiency to attract customers and maximize profits

If the standard deviation of a set of numbers is 3.6, what is the variance?

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The **variance** of a set of numbers is a measure of how much the numbers in the set differ from the mean (average) of the set. It is calculated as the average of the squared differences from the mean.

The **standard deviation** is simply the square root of the variance. It gives a measure of how spread out the numbers in the set are, using the same units as the original numbers.

Given that the standard deviation of a set of numbers is **3.6**, you can find the variance by squaring the standard deviation. This is because the variance is the square of the standard deviation.

So you calculate the variance as follows:

Variance = (Standard Deviation)² = **3.6** x **3.6** = **12.96**

So the **variance** is **12.96**.

An exceptional demand curve can result from

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An exceptional demand curve occurs when demand does not follow the typical downward slope from left to right. Instead, the demand curve may slope upward. Let’s consider some scenarios that could lead to this unusual situation.

Increase in Price of Raw Materials: This typically affects the supply side rather than the demand side. When prices of raw materials increase, production costs go up, possibly reducing supply, but not necessarily impacting demand directly. Therefore, this is not usually a reason for an exceptional demand curve.

Change in Taste of Consumer: If consumers suddenly prefer a particular product, they may be willing to buy more even if the price rises. This shift in consumer preferences can lead to an upward-sloping demand curve, reflecting increased demand despite higher prices.

Increase in the Size of the Population: More people can lead to higher overall demand, but each individual’s demand curve typically still slopes downward due to the law of diminishing marginal utility. Therefore, population increase alone generally does not cause an exceptional demand curve.

Expectation of Future Price Increase: When consumers expect prices to rise in the future, they may choose to buy more now to avoid paying higher prices later. This situation can lead to an upward-sloping demand curve as current demand increases with rising prices, due to future price expectations.

In summary, an exceptional demand curve is usually caused by changes in consumer tastes or expectations of future price increases, making current demand behave in an unexpected way compared to the usual downward slope.

f the population of a school is 600 and 60% are In JSS, how many students are in SSS?

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To determine how many students are in SSS, we first need to figure out how many students are in JSS. According to the problem, 60% of the school's population is in JSS.

Here's a simple breakdown:

• The total population of the school is 600.
• 60% of 600 is calculated by multiplying 600 by 0.60. Mathematically, this is:
• 600 x 0.60 = 360. So, there are 360 students in JSS.

Since the whole school has 600 students, and 360 of those are in JSS, we can find out how many are in SSS by subtracting the JSS students from the total number of students:

600 - 360 = 240

Hence, there are 240 students in SSS.

The formular (N + 1)/2 is used to determine the

Answer Details

The formula (N + 1)/2 is used to determine the median position in a dataset that is arranged in ascending or descending order. Understanding how to find the median is important because the median is a measure of central tendency that represents the middle value of a dataset. Here's a clear explanation of this concept:

When you have a set of numbers, the median is the number that falls in the middle when the numbers are arranged in either increasing or decreasing order. To find this middle value, you can use the formula (N + 1)/2, where N represents the total number of observations in the dataset.

For example, let's say you have a dataset with an odd number of observations: 3, 5, 7. Here, N is 3, so you apply the formula:

Median position = (3 + 1)/2 = 2

This calculation indicates that the second number in this ordered list is the median, which is 5.

If you have an even number of observations, such as 2, 4, 6, 8, you would calculate the median position as follows:

Median position = (4 + 1)/2 = 2.5

In this case, because 2.5 isn't an integer, the median is the average of the second and third numbers, which are 4 and 6. Therefore, the median is (4 + 6)/2 = 5.

In summary, the formula (N + 1)/2 is used to identify the position of the median in a list of numbers that are ordered, allowing us to understand where the middle point of the data lies.

Which of the following will NOT bring about an increase in Labour force?

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To determine which option will NOT bring about an increase in the labor force, let's examine the impact of each one:

1. **Decrease in death rate:** When the death rate decreases, more people are living longer, which means that they remain available to be a part of the workforce. Thus, this can contribute to an increase in the labor force.

2. **Better medical services:** Improved medical services often lead to healthier individuals who can participate in work for longer durations. Good health can increase the number of individuals who can work and potentially extend their working life, thus leading to an increase in the labor force.

3. **Immigration:** Immigration allows people from other countries to enter and work in a new country. This directly increases the number of people who are available to work in that country, thereby increasing the labor force.

4. **Emigration:** Emigration is when people leave a country to work or live elsewhere. When individuals emigrate, they reduce the number of people available to work in the original country. Thus, **emigration** will NOT bring about an increase in the labor force; instead, it can contribute to a decrease.

In summary, the option that will NOT bring about an increase in the labor force is **Emigration**.

A producer who can only influence the price of his product but canNOT determine the quantity to be sold is referred to
as

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A producer who can influence the price of a product but cannot determine the quantity to be sold is best described as a monopolist.

Here's an explanation:

In a monopoly, there is only one producer or seller who dominates the entire market for a particular product or service. This producer has the power to influence the price because they are the sole supplier, and there are no close substitutes. However, while they can set the price based on their objectives, the actual quantity sold is determined by the market demand at that specific price.

The other terms are different:

• Duopoly refers to a market structure where there are two dominant producers. Here, each producer needs to consider the other's actions before setting prices or quantities.
• Monopsonist is a scenario where there is only one buyer, not one seller.
• Oligopoly refers to a market structure where a small number of firms have significant control. Firms in an oligopoly influence prices but must consider the reactions of other firms.

An economy in which decision of what to produce is taken partly by private individuals and state is referred to as Economy.

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An economy in which decisions about what to produce are taken partly by private individuals and partly by the state is referred to as a Mixed Economy.

In a Mixed Economy, there is a combination of both private sector and public sector involvement. This structure allows private individuals to own businesses and make decisions about what to produce based on market demands and profitability. At the same time, the government also plays a significant role in economic decision-making, often by regulating certain industries or directly providing goods and services. The balance between these two forces aims to combine the benefits of both market dynamism and government oversight.

Here's a brief explanation of other economic systems to provide contrast:

• Communist Economy: In a communist economy, the state owns and controls all means of production. Private ownership is minimal or nonexistent, and the government makes all decisions about what to produce and how to distribute resources.


• Socialist Economy: A socialist economy also involves significant government control, but there can be some level of private ownership. The government typically focuses on wealth distribution and providing basic services, aiming for social welfare and equality.


• Capitalist Economy: In a capitalist economy, private individuals and corporations own and manage all businesses. Decisions about production and distribution are made based on market forces and competition, with minimal government intervention.

In summary, a Mixed Economy represents a blend that includes elements of both market-driven and government-directed decisions, which sets it apart from other economic types.

The diagram below represent

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The diagram you are referring to represents the Circular Flow of Income. This is a crucial concept in economics that demonstrates how money moves within an economy between different sectors. Let me explain it further in a simple and clear manner.

The Circular Flow of Income exhibits the interactions and transactions that occur between two major groups in an economy: the households and the firms. It is important to note that:

• Households: They are the owners of factors of production such as labor, land, and capital. Households provide these resources to firms.
• Firms: They produce goods and services using the factors of production provided by households. Firms pay households for these resources in the form of wages, rent, interest, and profits.

The flow of economic resources and money can be explained in two key types:

• Real Flow: This involves the flow of actual goods and services from firms to households, and the flow of factors of production from households to firms.
• Monetary Flow: This involves the flow of money in the form of payments made by firms to households for their resources, and the flow of money from households to firms to purchase goods and services.

In an expanded model of the circular flow, other components may be included, such as the government, financial sector, and foreign markets, which illustrate additional flows such as taxes, government spending, savings, investments, and exports/imports.

Overall, the Circular Flow of Income provides a fundamental understanding of how economic activity is interconnected and how different sectors interact with one another in a continuous cycle.

A price floor is usually fixed

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A price floor is a **minimum price** set by the government for a particular good or service. It is designed to ensure that the price is not too low, often supporting producers by maintaining their income at a viable level.

For a price floor to be effective, it is usually fixed **above the equilibrium price.** Here's why:

• **Equilibrium Price** is where the supply of a product equals the demand for that product. It is the point at which the market is said to be in balance.
• When a price floor is set **above the equilibrium**, it means that the price consumers are willing to pay is less than the price producers are willing to accept. This leads to a decrease in quantity demanded by consumers since the price is too high for them.
• Thus, producers end up with **more goods available than what consumers are buying**, creating a **surplus**. This surplus occurs because the set price is prohibiting the market from reaching its natural balance or equilibrium.

Therefore, a price floor is usually fixed **above the equilibrium and causes surpluses.** This allows it to serve its purpose of protecting producer revenues while potentially benefiting certain industry stakeholders.

Economics problems arise in all societies because

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Economics problems arise in all societies primarily because resources are not in adequate supply. This is known as the fundamental economic problem of scarcity. In every society, there are limited resources but unlimited wants and needs. These resources include things like land, labor, and capital, which are necessary for producing goods and services. Since we do not have enough of these resources to satisfy everyone's desires, we face choices about how to allocate them efficiently.

The issue of scarcity leads to other economic problems such as deciding what to produce, how to produce it, and for whom it should be produced. These decisions are made by assessing opportunity costs and considering how to make the best possible use of the limited resources available.

While factors such as lack of proper planning or mismanagement by leaders can exacerbate economic problems, they are not the root cause. The core issue remains the limited availability of resources, compelling societies to prioritize and decide how best to meet the needs of their population.

Which of the following NOT among the objectives of OPEC?

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When analyzing the objectives of OPEC (Organization of the Petroleum Exporting Countries), it is important to look at the core goals that this organization typically aligns with:

1. To stabilize the price of oil in the world market: This is indeed one of the primary objectives of OPEC. By coordinating the oil production levels among its members, OPEC strives to maintain oil price stability in the global market.

2. To stabilize the revenue from oil to producing countries: Another key objective of OPEC includes ensuring consistent and fair revenue for its oil-producing member countries. By influencing oil prices and production levels, OPEC helps in maintaining stable revenues for these nations.

3. To make sure that oil flows to all the consuming countries: Ensuring the continuous supply of oil to consuming countries is a goal aligned with OPEC's efforts to balance supply and demand for economic and energy stability worldwide.

4. To establish petroleum refineries in all member states: This is NOT among the objectives of OPEC. OPEC does not focus specifically on establishing petroleum refineries in all its member states. The organization's primary focus is on coordinating and unifying the petroleum policies among its member countries, not on the physical establishment of refineries.

The system of farming which involves the use of a large hectare of land planted with economic crops is known as

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The system of farming that involves the use of a large hectare of land planted with economic crops is known as plantation farming.

Explanation: Plantation farming is an agricultural system where a single crop is grown extensively over a large area. This system is specifically designed for the cultivation of high-demand crops, often termed as "economic crops," because they are produced for their commercial value rather than for direct consumption by the farmers. Such crops include coffee, tea, rubber, sugarcane, cotton, and palm oil.

Key Characteristics of Plantation Farming:

• Large-scale production: Plantation farms occupy vast expanses of land to maximize the output of a single type of crop.
• Monoculture: Typically, a single crop is cultivated, allowing specialization and efficiency in farming practices.
• Commercial orientation: The primary goal is to produce crops for sale, often aiming at international markets.
• Use of advanced techniques: Plantation farming often employs modern agricultural techniques, such as mechanization, irrigation, and the use of fertilizers and pesticides, to enhance productivity.
• Capital intensive: There is a significant investment in both infrastructure and labor to manage the large scale of operations.

In contrast, smaller or subsistence farmers often engage in diverse cropping systems with multiple types of plants cultivated for personal or local consumption. Plantation farming, on the other hand, is designed to produce large quantities of a specific, economically valuable crop to meet regional or global demands.

At the equilibrium price,

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The equilibrium price in economics is a fundamental concept where the market operates most efficiently. To understand it fully, consider the following explanation:

When demand equates supply, it indicates the price at which the quantity of goods consumers are willing to buy (demand) is exactly equal to the quantity of goods producers are willing to sell (supply). This is the point where the market reaches equilibrium. At this price, there is no excess supply or demand, meaning that resources are being used most effectively, and there is no pressure on the price to change.

In contrast:

• If the price equals demand only, this would imply a scenario that doesn't exist in standard economic terms because equilibrium involves both supply and demand.
• When demand is less than supply, it suggests a surplus in the market, leading to downward pressure on price as sellers attempt to clear excess stock.
• If demand is greater than supply, it leads to a shortage, resulting in upward pressure on prices as consumers compete to buy the limited available goods.

Thus, at equilibrium price, demand equates supply, ensuring the market operates smoothly without surplus or shortage.

A downward sloping demand curve means that

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When the price of a product decreases, consumers are generally willing to buy more of it. As a result, the quantity demanded increases. However, since each unit is sold at a lower price, the decline in price outweighs the increase in quantity, leading to a decrease in total revenue (total revenue = price x quantity). This is why a downward sloping demand curve indicates that the total revenue declines as the price is lowered.

The diagram belwo, shows the relationship between

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The relationship shown in the diagram is most likely related to the **wage rate and unemployment.** Let me explain this relationship clearly:

The **wage rate** refers to the payment workers receive for their labor, typically expressed on an hourly, daily, or yearly basis. The **unemployment rate** is the percentage of the labor force that is jobless and actively looking for work.

When the **wage rate** offered in the market is above the equilibrium wage (where the supply of labor equals the demand for labor), firms may choose to hire fewer workers as it becomes more expensive to employ labor. This can lead to an **increase in unemployment**. Conversely, if the wage rate is lower, firms are more likely to hire additional workers, possibly decreasing unemployment.

Understanding this relationship is crucial in comprehending how wage policies can influence employment levels. Wage increases that are not aligned with productivity may result in higher costs for employers, potentially resulting in a reduction of jobs available, hence increasing unemployment. Therefore, there is a delicate balance between setting wage levels and maintaining employment levels in the economy.

The revolution of Cassava from ordinary food crop to export crop will lead to

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The recent revolution of cassava from an ordinary food crop to an export crop is likely to lead to an increase in the price of cassava products.
When cassava transitions from being primarily used as a food crop to an export crop, its demand and value in the international market tend to increase. This increased demand can result in higher prices for cassava products such as cassava flour, starch, or other processed derivatives.

If the marginal utility of commodity is equal to its price, then

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To understand the concept of marginal utility and price, let's delve into a simple explanation. Marginal utility refers to the additional satisfaction or utility that a consumer gains from consuming one more unit of a good or service. Meanwhile, the price of a commodity is what the consumer pays to acquire that good or service.

In economic terms, a consumer is said to be in equilibrium when they have allocated their resources in such a way that they get the most satisfaction or utility from their consumption. The consumer equilibrium condition is achieved when the marginal utility per unit of expenditure is the same for all commodities.

Therefore, when the marginal utility of a commodity is equal to its price, it means the consumer is maximizing their satisfaction with the resources available. The consumer has no incentive to change the consumption bundle because they are already getting the highest possible satisfaction. In other words, the consumer is getting just as much utility from the last unit of the good as it costs. Consequently, the consumer is in equilibrium.

Thus, the correct explanation is: The consumer is in equilibrium.

The following determine the level of consumption EXCEPT

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The level of consumption generally refers to the amount of goods and services that households are willing and able to purchase. This can be influenced by several factors:

Level of Income: The more income people earn, the more they can spend on goods and services, which directly affects consumption levels. With higher income, households typically increase their consumption.

The Rate of Taxes Paid: Taxes directly impact disposable income, which is the income available after tax deductions. Higher taxes reduce disposable income and may lead to lower consumption, while lower taxes increase disposable income and can potentially boost consumption.

Savings: When households allocate a portion of their income to savings, this reduces the immediate level of consumption. Therefore, high levels of savings can indicate lower levels of consumption.

The Political Climate: Although the political climate can affect the economy in various ways, it is generally not a direct and immediate determinant of consumption levels. The political climate can influence factors like economic stability and government policies, but it is not a direct factor in determining how much households consume.

Based on these explanations, the factor that determines the level of consumption the least is the political climate, because its effects are indirect and less immediate compared to the direct effects of income, taxes, and savings on consumption.

When the total product starts falling, then the marginal product is

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In the context of production, the Total Product (TP) refers to the total quantity of output produced by a firm. The Marginal Product (MP) is the additional output obtained by employing one more unit of a specific input, while keeping all other inputs constant.

When the Total Product starts to fall, it indicates that each additional unit of input is contributing less and less to the total output, to the extent that the output is actually decreasing. This means that any added input is no longer producing additional output but instead reducing it. Therefore, the Marginal Product in this situation is actually negative.

Here is why:

• Consider the scenario where adding extra workers or resources does not increase output, and might even disrupt production.
• At this point, the contribution of added input becomes detrimental, causing a decline in the total output.
• Thus, the Marginal Product turns negative, because the next unit of input is not just unproductive, it makes the overall production lower than before.

The following are rewards for factors of production EXCEPT

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Factors of production are the inputs used to produce goods and services in an economy. The main factors of production include land, labor, capital, and entrepreneurship. Each of these factors receives a specific reward or return:

• Land: The reward for using land as a factor of production is rent. Rent is the payment made for the use of land or real estate resources.
• Labor: The reward for labor is typically in the form of wages or salaries. It represents the compensation paid to workers for their productive efforts.
• Capital: The reward for capital, which includes machinery, tools, or financial capital used in production, is interest. It is the return on investment for using capital resources.
• Entrepreneurship: The reward for entrepreneurship, which involves the risk-taking and organization of other factors of production, is profit. Profit is the financial gain realized by entrepreneurs for their ventures.

The term subsidy is generally not a reward for factors of production. A subsidy is a financial assistance granted by the government to individuals or businesses to support activities, promote economic growth, or reduce the cost of certain goods and services. It is not directly linked to any of the classical factors of production.

In conclusion, while profit, rent, and interest are returns directly associated with factors of production, a subsidy is not. It serves a different purpose in economic policy.

The act of cultivating land and rearing of animal for man's use is

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The act of cultivating land and rearing of animals for man's use is known as agriculture.

Agriculture is an activity that involves growing crops and raising animals to provide food, fiber, medicinal plants, and other products used to sustain and enhance human life. It is a vital practice that has been developed over thousands of years, allowing civilizations to flourish by ensuring a stable supply of food and resources. This practice not only involves the cultivation of the land for crops but also includes various other activities such as animal husbandry, which is the breeding and care of farm animals.

Let me explain a bit about the other terms you mentioned:

• Forestry refers to the management and conservation of forests and woodlands. It involves the planting, maintaining, and caring for trees and forests. While it might also involve the cultivation of certain types of land, its primary focus is on trees rather than a wide range of crops or livestock.
• Mono culture is a term used to describe the cultivation of a single crop in a given area, year after year. This is a method within agriculture but does not encompass the full scope of agriculture, which includes diversity in crop and animal production.
• Horticulture is a branch of agriculture that focuses on the cultivation of plants, fruits, vegetables, flowers, and ornamental plants. It deals mainly with garden crops rather than large-scale agricultural crops and usually doesn't focus on animal rearing.

Thus, the most comprehensive term that covers both the cultivation of land and rearing of animals is agriculture.

A major characteristics of a firm operating at a long-run equilibrium position is that

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In the long-run equilibrium position for a firm, **all costs are variable**. This is because the long-run is a period sufficiently long for firms to adjust all factors of production. They can expand or reduce their capacity, acquire new technology, or even enter and exit industries depending on market conditions.

Unlike in the short-run where some factors (like buildings and machinery) are **fixed** because they cannot be changed immediately, in the long-run, firms have the flexibility to alter all their inputs. This means that firms can choose the optimal scale of operation where the average cost of production is minimized, leading to a position where profits are maximized if the market structure allows.

So, in summary: In the long-run, a firm operates where **all costs are variable**, allowing complete adjustment to maximize efficiency and competitive position in the market.

The trade-off between two commodities along the Production Possibility Curve (PPC) shows

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The Production Possibility Curve (PPC) is a graphical representation that shows the different combinations of two goods or services that an economy can produce, given certain assumptions like fixed resources and technology.

The trade-off between two commodities along the PPC primarily illustrates the opportunity cost principle. This principle refers to the idea that in order to produce more of one good, an economy must produce less of another good. The curve demonstrates this trade-off by showing that resources are limited, and choosing to allocate more resources to produce one commodity means reallocating those resources away from another commodity.

For example, if an economy is at a certain point on its PPC and decides to produce more of Commodity A, it will inevitably end up producing less of Commodity B. This reduction in the production of Commodity B is the opportunity cost of producing more of Commodity A. Hence, every point along the PPC illustrates the trade-off and opportunity cost of choosing different production levels of the two goods.

In the long-run, a firm must shut down if its average revenue is

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In the long-run, a firm must shut down if its average revenue is less than its average variable cost. This is because the firm is unable to cover even its variable costs, which are the costs it incurs when it produces any output at all. Let me explain further:

• A firm's goal is to maximize profit. To do this, a firm must ensure that it can at least cover its variable costs in the short-term. Variable costs include things like labor and raw materials, which are necessary for production.
• If the firm cannot cover the variable costs, it indicates that producing a unit of output adds more cost than revenue. Therefore, producing any more output will increase losses, making it better for the firm to shut down operations.
• In the long-run, all costs become variable, and if the firm's revenue doesn't cover these costs, the firm will not be able to survive.

To put it simply, if average revenue is less than average variable cost, the firm can't sustain itself in the long-run, and shutting down is a rational decision.

Which of the following is NOT an objective of Economic planning?

Answer Details

Economic planning is an important policy tool used by governments to coordinate their efforts in improving the nation's economy. Let's look at the objectives:

Equitable allocation of resources: This is indeed an objective of economic planning. It ensures that resources are distributed evenly across different sectors and regions to promote balanced development and reduce regional disparities.

Achieving economic growth: Another key objective of economic planning is to spur economic growth. This involves increasing the capacity of the economy to produce goods and services, enhancing the standard of living, and elevating the overall wealth of the nation.

Creating employment: Economic planning aims to create jobs for the population. By fostering industries and fostering investment, economic planning attempts to reduce unemployment rates and provide more job opportunities.

Widening the income gap: This is NOT an objective of economic planning. Economic plans generally aim to reduce, not widen, the income gap between different segments of society. A widening income gap can lead to increased poverty and social unrest, which are contrary to the goals of economic planning focused on promoting equality and social harmony.

Economic problem arises as a result of

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The **economic problem** arises due to the fundamental concept of **scarcity**. In simple terms, scarcity means that the resources available to us are **limited**, while our desires and needs are **unlimited**. This situation forces us to make decisions about how best to allocate our resources efficiently.

Because of scarcity, every choice we make involves a **trade-off**. For instance, if you choose to spend your time studying economics instead of mathematics, you sacrifice the benefits you would have gained from studying mathematics. The concept associated with this scenario is called **opportunity cost**, which is essentially the value of the next best alternative forgone when making a decision.

Furthermore, scarcity leads to the necessity of **choice**. Individuals, businesses, and governments must decide what to produce, how to produce, and for whom to produce. These choices are influenced by the limited resources and the alternatives available.

While **money cost** is often considered in decisions, it is not the root cause of the economic problem. It is a **monetary representation of value** and is used as a tool to navigate scarcity and opportunity cost.

In essence, the **economic problem exists** because we have to make choices about how to use our scarce resources most effectively, and every choice involves an opportunity cost. This continual need to prioritize options is at the very heart of economics.

In income determination theory, acceleration principles shows that

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In income determination theory, the acceleration principle suggests that investment is the primary driver or cause, whil income is the resulting effect. The acceleration principle states that changes in investment levels lead to amplified or accelerated changes in income.
The acceleration principle posits that changes in investment levels have a multiplier effect on income. When investment increases, it leads to increased production, employment, and income generation.

If the price of commodity X rises and consumers shift to commodity Y, then commodities X and Y are

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If the price of commodity X increases and consumers start purchasing commodity Y instead, then commodities X and Y are considered substitutes. Substitutes are goods that can be used in place of one another; when the price of one goes up, consumers naturally shift their demand to the other because it serves a similar function or purpose.
Consider an example: if the price of coffee goes up, people might start drinking tea instead if tea serves as a similar alternative for their morning beverage needs. In this scenario, coffee and tea are substitutes. Therefore, the relationship between these goods is defined by consumers' ability to consider one in place of the other based on price.
In summary, when consumers replace their consumption of one good with another due to price change, the goods in question are substitutes.

The problem of "how to produce" in any economy is solved by

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In any economy, the problem of "how to produce" is essentially about deciding the best way to combine resources to produce goods and services. This challenge can be effectively addressed by adopting the least cost method of production.

Here’s why:

• Objective: The key objective for any economy is to produce goods and services efficiently, using the least amount of resources possible, while maximizing output. This ensures that the resources, which are often limited, are utilized in the most productive way.


• Resource Allocation: By focusing on the least cost method, producers aim to determine the proportion of capital (like machines, tools, and buildings) and labor (human effort) that should be used to minimize costs and maximize profits. This can involve a mix of both capital and labor-intensive methods depending on which combination minimizes production costs.
• Flexibility: The least cost method is iterative and allows for adjustments based on changes in resource availability, technological advancements, and shifts in market conditions, ensuring the production process remains cost-effective and competitive.


• Consumer Benefits: When producers focus on minimizing costs, they can offer products at lower prices, making goods and services more affordable for consumers, which can increase demand and boost the overall economy.

In summary, while other methods and managerial skills are important, addressing how to produce in the most efficient and effective way often boils down to using the least cost method of production, thereby ensuring optimal resource use and economic stability.

Under perfect competition, a profit maximizing firm will hire labour up to the point where the last unit of labor adds

Answer Details

Under perfect competition, a profit-maximizing firm will hire labor up to the point where the marginal revenue product of labor (MRP) is equal to the wage rate. MRP represents the additional revenue generated by adding one more unit of labor.
Since the firm aims to maximize profits, it will continue hiring labor until the MRP is greater than or equal to the wage rate. At this point, the last unit of labor hired contributes more to total revenue than to total cost, resulting in increased profits for the firm.

An industry engaged in the extraction of raw materials and its conversion into semi-finished goods is called industry.

Answer Details

Processing involves transforming raw materials or inputs into more refined or semi-finished products. This can include various stages of production, such as refining, manufacturing, assembly, or other forms of processing.
The processing industry plays a vital role in taking raw materials from their natural state and converting them into products that can be used for further processing or consumed by end-users. This industry typically adds value to the rav materials by applying different processes, technologies, and expertise.
NOTE: Although manufacturing is involved in the production of goods, it does not specifically address the extraction of raw materials. Manufacturing encompasses a broader range of industries involved in producing finished goods from raw materials, components, or parts.

The bank established to finances project aimed at promoting economic and social development within the African continent is

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The bank that is primarily dedicated to financing projects aimed at promoting economic and social development within the African continent is the African Development Bank (AfDB).

The African Development Bank (AfDB) was established in 1964 with the main objective to reduce poverty, improve living conditions, and promote economic and social development in African countries. It achieves these goals by providing loans and grants for a variety of development projects and programs across the continent. These projects cover various sectors including infrastructure, education, healthcare, agriculture, and energy.

Unlike purely commercial banks, the AfDB is focused on development projects that may not always have immediate financial returns but are crucial for the sustainable growth and development of African nations. The bank works together with member countries and international partners to mobilize resources and expertise needed to tackle the continent's challenges, often adopting innovative financing solutions tailored to the unique needs of the African context.

The following can be used to improve a country's balance of payment EXCEPT

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The balance of payments is a record of all financial transactions made between consumers, businesses, and the government in one country with others. It includes trade in goods and services, investments, and money transfers. To improve a country's balance of payments, particularly the trade balance, countries may implement certain policies.

Anti-dumping policies are used to prevent foreign companies from selling goods at a price lower than their market value to gain an unfair advantage. By implementing anti-dumping policies, a country can protect its domestic industries from unfair competition, which can help improve the balance of payments by reducing imports or encouraging domestic consumption.

Granting subsidies to export producers can help improve the balance of payments by making domestic products cheaper and more competitive in international markets. By lowering production costs, subsidies can help increase exports, leading to an improvement in the balance of payments.

Increasing import duties is another way to improve the balance of payments. By imposing higher taxes on imported goods, a country can discourage imports and encourage consumers to purchase domestically produced goods. This can improve the trade balance by reducing the outflow of money used to purchase foreign products.

On the other hand, decreasing taxation on personal income doesn't directly affect the balance of payments. Reducing personal income tax may increase disposable income for consumers, which could lead to more consumption. However, this increased consumption might not necessarily focus on domestic goods, and could instead lead to higher imports. Therefore, among the options listed, decreasing taxation on personal income is the one least likely to directly improve a country's balance of payments.

An industry operating in a perfect competitive market situation will maximum profit when

Answer Details

In a perfectly competitive market, an industry or firm will maximize its profit when its Marginal Cost (MC) equals Marginal Revenue (MR). This is a fundamental principle of microeconomics that ensures the firm's resources are being used most efficiently.

Here's why:

• Marginal Cost (MC) is the additional cost incurred from producing one more unit of a good or service.
• Marginal Revenue (MR) is the additional revenue generated from selling one more unit of a good or service.

If MC = MR, the cost of producing an additional unit is exactly equal to the revenue it generates, meaning any increase or decrease in production would not improve profitability. At this point, the firm is efficiently allocating its resources.

If MC < MR; it means that the cost of producing an extra unit is less than the revenue it brings. The firm can increase its profit by producing and selling more units.

Conversely, if MC > MR; the cost of producing an extra unit exceeds the revenue it brings, and the firm should reduce production to avoid losses.

Therefore, to achieve maximum profit, a firm in a perfectly competitive market should continue adjusting its output until the cost of the last unit produced is exactly equal to the revenue it produces, which occurs at MC = MR.

One of the function of united nation conference on trade and development (UNTAD) is to

Answer Details

The United Nations Conference on Trade and Development (UNCTAD) is a UN body that focuses on trade and development issues, particularly those affecting developing countries. One of the functions of UNCTAD is to facilitate the transfer of technology from developed to less developed countries. This involves promoting the dissemination and adoption of technology in less developed countries to enhance their productive capacities, economic growth, and development.
UNCTAD recognizes that technology plays a crucial role in bridging the development gap between countries. By facilitating the transfer of technology, UNCTAD aims to enable developing countries to access and utilize advanced knowledge, skills, and technological innovations available in developed countries. This transfer of technology can occur through various means such as technical assistance, capacity building, knowledge sharing, and promoting partnerships between developed and developing countries.

Which of these is NOT associated with the problem of internal trade?

Answer Details

Market trade unions are not typically associated with the problem of internal trade. Trade unions are typically formed b workers or employees to protect their rights, negotiate better working conditions, and advocate for their interests. While trade unions can have an impact on labor markets and industrial relations, they are not directly linked to the challenges or problems specifically related to internal trade.

If two bags of rice were sold for #1,250 a month ago and two weeks later, the same amount was used to procure one bag. This simply means that the value of money is

Answer Details

In this scenario, the price of rice has increased relative to the amount of money (N1,250) that could be used to purchase it. Initially, N1,250 could buy two bags of rice, but after two weeks, the same amount can only buy one bag.
This decrease in purchasing power demonstrates that the value of money has declined. In other words, the same amount of money can now buy fewer goods or services than before. This situation is often referred to as inflation, where the general price level of goods and services rises over time, reducing the purchasing power of money.