Practice post utme lautech economics 2023 Past Questions

Question 1

The Marshall-Lerner condition states that a country's balance of payments will improve if the sum of the percentage changes in its export and import prices exceeds a certain threshold. What is the name of this threshold?

A. The Marshall-Lerner condition

Correct B. The J-curve effect

C. The balance of payments equilibrium

D. The trade deficit threshold

Correct Answer: B

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Question 2

A firm's demand curve is given by the equation Q = 100 - 2P. If the price of the good is currently ₦50, what is the quantity demanded?

A. ₦25

B. ₦50

Correct C. ₦75

D. ₦100

Correct Answer: C

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Question 3

A country's GDP is ₦1,000,000,000. If the population of the country is 20,000,000, what is the per capita income?

A. ₦50

B. ₦100

C. ₦200

Correct D. ₦500

Correct Answer: D

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Question 4

A firm is operating in a perfectly competitive market. If the market price is ₦100 and the firm's marginal revenue is ₦120, what is the firm's profit-maximizing output?

A. 10 units

B. 20 units

Correct C. 30 units

D. 40 units

Correct Answer: C

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Question 5

A country's balance of payments is given by the equation BOP = X - M. If the country's exports are ₦500,000,000 and its imports are ₦300,000,000, what is the balance of payments?

A. ₦100,000,000

Correct B. ₦200,000,000

C. ₦300,000,000

D. ₦400,000,000

Correct Answer: B

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Question 6

Calculate the returns to scale for a firm with a production function Q = 2L^2K, where Q is output, L is labor, and K is capital.

A. Increa\sing Returns to Scale

B. Decrea\sing Returns to Scale

Correct C. Cons\tant Returns to Scale

D. No Returns to Scale

Correct Answer: C

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Question 7

A monopolistically competitive firm faces a demand curve given by P = 100 - 2Q. If the firm's marginal revenue (MR) is given by MR = 100 - 4Q, what is the firm's optimal quantity of output?

A. 10 units

Correct B. 20 units

C. 30 units

D. 40 units

Correct Answer: B

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Question 8

A country's GDP is given by the equation GDP = C + I + G + $ X - M $, where C is consumption, I is investment, G is government sp\ending, X is exports, and M is imports. If the country's GDP is $100 billion, consumption is $60 billion, investment is $20 billion, government sp\ending is $10 billion, exports are $30 billion, and imports are $20 billion, what is the country's balance of trade?

Correct A. $10 billion surplus

B. $10 billion deficit

C. $20 billion surplus

D. $20 billion deficit

Correct Answer: A

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Question 9

A firm's production function is given by Q = 3L^0.5K^0.5, where Q is output, L is labor, and K is capital. If the firm's marginal product of labor (MPL) is given by MPL = 1.5L^$ -0.5 $K^0.5, what is the firm's optimal level of labor?

A. 10 units

Correct B. 20 units

C. 30 units

D. 40 units

Correct Answer: B

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Question 10

A country's balance of payments is given by the equation BOP = X - M + $ F - I $, where X is exports, M is imports, F is foreign investment, and I is domestic investment. If the country's exports are $100 billion, imports are $80 billion, foreign investment is $20 billion, and domestic investment is $10 billion, what is the country's balance of payments?

Correct A. $20 billion surplus

B. $20 billion deficit

C. $10 billion surplus

D. $10 billion deficit

Correct Answer: A

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Question 11

A country's GDP grows at an annual rate of 5% while its population grows at an annual rate of 2%. If the current GDP is ₦10 trillion, what is the GDP 5 years from now?

Correct A. ₦13.43 trillion

B. ₦12.87 trillion

C. ₦14.21 trillion

D. ₦15.65 trillion

Correct Answer: A

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Question 12

A firm's production function is given by Q = 2L^0.5K^0.5. If the price of labor is ₦100 per unit and the price of capital is ₦200 per unit, and the firm is currently producing 100 units of output, what is the minimum \cost of producing 120 units of output?

A. ₦24,000

Correct B. ₦26,000

C. ₦28,000

D. ₦30,000

Correct Answer: B

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Question 13

A government imposes a tax on a firm's output. The firm's supply curve shifts from S1 to S2. What is the effect of the tax on the firm's output?

A. Increase

Correct B. Decrease

C. No change

D. Indeterminate

Correct Answer: B

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Question 14

A country's balance of payments is given by the following equation: BOP = X - M + F - I. If the country's exports are ₦100 billion, imports are ₦80 billion, foreign aid is ₦20 billion, and investment is ₦30 billion, what is the balance of payments?

A. ₦10 billion

Correct B. ₦20 billion

C. ₦30 billion

D. ₦40 billion

Correct Answer: B

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Question 15

A firm's demand function is given by Q = 100 - 2P. If the firm's current price is ₦50, what is the quantity demanded?

A. 20 units

Correct B. 40 units

C. 60 units

D. 80 units

Correct Answer: B

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Question 16

A country's balance of payments (BOP) is in equilibrium when the current account and capital account are balanced. However, the BOP can also be in equilibrium when the current account is not balanced, but the capital account is not balanced either. Which of the following is a correct statement regarding the BOP equilibrium?

A. The BOP is in equilibrium when the current account and capital account are balanced.

Correct B. The BOP can be in equilibrium when the current account is not balanced, but the capital account is not balanced either.

C. The BOP is in equilibrium when the current account is balanced, but the capital account is not balanced.

D. The BOP is in equilibrium when the capital account is balanced, but the current account is not balanced.

Correct Answer: B

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Question 17

A firm's production function is given by Q = 2L^0.5K^0.5, where Q is output, L is labor, and K is capital. If the firm's labor and capital inputs are increased by 10% and 20% respectively, what is the percentage change in output?

A. 10%

B. 20%

Correct C. 30%

D. 40%

Correct Answer: C

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Question 18

A government imposes a tax on a particular good. What is the effect of this tax on the supply curve of the good?

Correct A. The supply curve shifts to the left.

B. The supply curve shifts to the right.

C. The supply curve remains unchanged.

D. The supply curve becomes vertical.

Correct Answer: A

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Question 19

A firm's revenue function is given by R = 100Q - 2Q^2, where R is revenue and Q is quantity sold. If the firm sells 20 units, what is its revenue?

A. ₦1800

B. ₦2000

Correct C. ₦2200

D. ₦2400

Correct Answer: C

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Question 20

A country's money supply is given by M = 1000 + 0.5Y, where M is money supply and Y is income. If the country's income is ₦100,000, what is its money supply?

A. ₦50,000

B. ₦55,000

Correct C. ₦60,000

D. ₦65,000

Correct Answer: C

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Question 21

The government of a country imposes a tax on imports to reduce the trade deficit. However, the tax also increases the \cost of production for domestic firms. U\sing the concept of opportunity \cost, explain why the government's decision to impose the tax may not be the most effective way to reduce the trade deficit.

Correct A. The tax increases the opportunity \cost of producing goods domestically, making them less competitive in the global market.

B. The tax reduces the opportunity \cost of importing goods, making them cheaper for domestic consumers.

C. The tax has no effect on the opportunity \cost of producing goods domestically or importing goods.

D. The tax increases the opportunity \cost of importing goods, making them more expensive for domestic consumers.

Correct Answer: A

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Question 22

A firm is considering two investment projects, A and B. Project A has a higher initial \cost but generates a higher return on investment. Project B has a lower initial \cost but generates a lower return on investment. U\sing the concept of opportunity \cost, explain why the firm should choose project A over project B.

Correct A. Project A has a higher return on investment, making it a better choice.

B. Project B has a lower initial \cost, making it a better choice.

C. Project A has a higher opportunity \cost, making it a worse choice.

D. Project B has a higher opportunity \cost, making it a worse choice.

Correct Answer: A

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Question 23

A country is experiencing a trade deficit due to a large imbalance in its trade with another country. U\sing the concept of comparative advantage, explain why the country should focus on increa\sing its exports rather than trying to reduce its imports.

Correct A. The country should focus on increa\sing its exports because it has a comparative advantage in producing goods that are in high demand.

B. The country should focus on reducing its imports because it has a comparative disadvantage in producing goods that are in high demand.

C. The country should focus on increa\sing its exports because it has a comparative disadvantage in producing goods that are in high demand.

D. The country should focus on reducing its imports because it has a comparative advantage in producing goods that are in high demand.

Correct Answer: A

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Question 24

A firm is considering two investment projects, A and B. Project A has a higher initial \cost but generates a higher return on investment. Project B has a lower initial \cost but generates a lower return on investment. U\sing the concept of opportunity \cost, explain why the firm should choose project A over project B.

Correct A. Project A has a higher return on investment, making it a better choice.

B. Project B has a lower initial \cost, making it a better choice.

C. Project A has a higher opportunity \cost, making it a worse choice.

D. Project B has a higher opportunity \cost, making it a worse choice.

Correct Answer: A

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Question 25

A country is experiencing a trade deficit due to a large imbalance in its trade with another country. U\sing the concept of comparative advantage, explain why the country should focus on increa\sing its exports rather than trying to reduce its imports.

Correct A. The country should focus on increa\sing its exports because it has a comparative advantage in producing goods that are in high demand.

B. The country should focus on reducing its imports because it has a comparative disadvantage in producing goods that are in high demand.

C. The country should focus on increa\sing its exports because it has a comparative disadvantage in producing goods that are in high demand.

D. The country should focus on reducing its imports because it has a comparative advantage in producing goods that are in high demand.

Correct Answer: A

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POST UTME LAUTECH 2023 Economics | Objective

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