Practice post utme unn economics 2023 Past Questions

Question 1

A firm's production function is given by Q = 100L^0.5K^0.5, where Q is output, L is labor and K is capital. If the firm's labor and capital are fixed at 100 and 400 respectively, what is the maximum output?

A. 200

B. 400

Correct C. 600

D. 800

Correct Answer: C

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Question 2

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

A. $20 billion

B. $30 billion

Correct C. $40 billion

D. $50 billion

Correct Answer: C

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Question 3

A firm's demand function is given by Q = 100 - 2P, where Q is quantity demanded and P is price. If the firm's marginal revenue is $50, what is the price elasticity of demand?

A. 0.5

Correct B. 1

C. 2

D. 3

Correct Answer: B

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Question 4

A country's money supply is given by the following equation: M = (r x D), where M is money supply, r is reserve requirement and D is deposits. If the country's reserve requirement is 10% and deposits are $100 billion, what is the money supply?

A. $10 billion

Correct B. $20 billion

C. $30 billion

D. $40 billion

Correct Answer: B

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Question 5

A firm's \cost function is given by C = 100 + 2Q, where C is \cost and Q is quantity produced. If the firm produces 50 units, what is the total \cost?

A. $150

Correct B. $200

C. $250

D. $300

Correct Answer: B

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Question 6

The government of a developing country has decided to implement a policy of import substitution to promote domestic production and reduce dep\endence on foreign goods. However, the policy has led to a significant increase in the prices of essential goods. U\sing the concept of opportunity \cost, explain why the policy may not be effective in achieving its objectives.

A. The policy may lead to a decrease in the opportunity \cost of producing essential goods, making them more affordable for consumers.

B. The policy may lead to a decrease in the opportunity \cost of producing non-essential goods, making them more attractive to consumers.

C. The policy may lead to a decrease in the opportunity \cost of importing essential goods, making them more affordable for consumers.

Correct D. The policy may lead to an increase in the opportunity \cost of producing essential goods, making them less affordable for consumers.

Correct Answer: D

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Question 7

A firm is producing a good with the following \cost and revenue functions: C(q) = 10 + 2q and R(q) = 20q. U\sing the concept of profit maximization, find the level of output that will maximize the firm's profit.

A. q = 5

Correct B. q = 10

C. q = 15

D. q = 20

Correct Answer: B

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Question 8

The central bank of a country has decided to implement a monetary policy of reducing the money supply to combat inflation. U\sing the concept of the money multiplier, explain how the policy will affect the money supply and the overall economy.

Correct A. The policy will lead to a decrease in the money supply, which will reduce the overall economy.

B. The policy will lead to an increase in the money supply, which will stimulate the overall economy.

C. The policy will have no effect on the money supply, but will lead to a decrease in the overall economy.

D. The policy will lead to a decrease in the money supply, which will increase the overall economy.

Correct Answer: A

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Question 9

A firm is producing a good with the following production function: Q = 2L^0.5K^0.5. U\sing the concept of returns to scale, explain why the firm's production will increase or decrease as the inputs of labor and capital increase.

Correct A. The firm's production will increase as the inputs of labor and capital increase.

B. The firm's production will decrease as the inputs of labor and capital increase.

C. The firm's production will remain cons\tant as the inputs of labor and capital increase.

D. The firm's production will increase as the inputs of labor increase, but decrease as the inputs of capital increase.

Correct Answer: A

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Question 10

The government of a country has decided to implement a policy of price control to reduce the prices of essential goods. U\sing the concept of supply and demand, explain why the policy may not be effective in achieving its objectives.

A. The policy will lead to a decrease in the supply of essential goods, which will increase the prices.

B. The policy will lead to an increase in the demand for essential goods, which will decrease the prices.

C. The policy will have no effect on the supply and demand of essential goods, but will lead to a decrease in the prices.

Correct D. The policy will lead to a decrease in the demand for essential goods, which will increase the prices.

Correct Answer: D

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Question 11

The concept of scarcity in economics implies that the production of one good is limited by the availability of resources, which can be allocated to other goods. This is an example of a trade-off between two goods. Which of the following is a correct statement about the opportunity \cost of producing one good?

Correct A. The opportunity \cost is the value of the next best alternative good that could have been produced with the same resources.

B. The opportunity \cost is the value of the next best alternative good that could have been consumed with the same resources.

C. The opportunity \cost is the value of the next best alternative good that could have been traded with the same resources.

D. The opportunity \cost is the value of the next best alternative good that could have been produced with different resources.

Correct Answer: A

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Question 12

A firm is producing a good with the following production function: Q = 2L^0.5 + 3K^0.5. If the firm's output is 10 units, and the price of labor is ₦100 per unit, and the price of capital is ₦200 per unit, what is the minimum \cost of producing 10 units of output?

A. ₦1500

Correct B. ₦2000

C. ₦2500

D. ₦3000

Correct Answer: B

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Question 13

A country is experiencing a recession, and the government wants to implement a fiscal policy to stimulate economic growth. Which of the following fiscal policy tools would be most effective in increa\sing aggregate demand?

Correct A. Increase government sp\ending on infrastructure projects.

B. Reduce taxes on bu\sinesses to encourage investment.

C. Increase government subsidies to consumers to increase their disposable income.

D. Increase government borrowing to finance public debt.

Correct Answer: A

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Question 14

A firm is producing a good with the following \cost function: C = 2L + 3K. If the firm's output is 10 units, and the price of labor is ₦100 per unit, and the price of capital is ₦200 per unit, what is the total \cost of producing 10 units of output?

A. ₦500

B. ₦1000

Correct C. ₦1500

D. ₦2000

Correct Answer: C

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Question 15

A country is experiencing a trade deficit, and the government wants to implement a trade policy to reduce the deficit. Which of the following trade policy tools would be most effective in reducing the trade deficit?

A. Implement tariffs on imported goods to reduce imports.

B. Implement quotas on imported goods to reduce imports.

Correct C. Implement subsidies on exported goods to increase exports.

D. Implement taxes on exported goods to reduce exports.

Correct Answer: C

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Question 16

A firm is producing a good with the following production function: Q = 2L^0.5 + 3K^0.5. If the firm's output is 10 units, and the price of labor is ₦100 per unit, and the price of capital is ₦200 per unit, what is the marginal product of labor?

A. 1 unit

Correct B. 2 units

C. 3 units

D. 4 units

Correct Answer: B

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Question 17

A country is experiencing a recession, and the government wants to implement a monetary policy to stimulate economic growth. Which of the following monetary policy tools would be most effective in increa\sing aggregate demand?

A. Reduce the reserve requirement for commercial banks.

B. Increase the discount rate for commercial banks.

Correct C. Increase the money supply by buying government securities.

D. Decrease the money supply by selling government securities.

Correct Answer: C

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Question 18

A firm is producing a good with the following \cost function: C = 2L + 3K. If the firm's output is 10 units, and the price of labor is ₦100 per unit, and the price of capital is ₦200 per unit, what is the marginal \cost of producing 10 units of output?

A. ₦100

B. ₦200

Correct C. ₦300

D. ₦400

Correct Answer: C

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Question 19

A country's balance of payments is in equilibrium when the current account and capital account are equal. However, if the current account is in deficit, the country must either increase exports or decrease imports to achieve equilibrium. Which of the following policies would be most effective in achieving this equilibrium?

A. Increase government sp\ending to stimulate economic growth

B. Implement a trade embargo on imports

C. Increase interest rates to attract foreign investment

Correct D. Decrease taxes on exports

Correct Answer: D

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Question 20

A firm is operating in a perfectly competitive market with a downward-sloping demand curve. If the firm increases its production, what will happen to its marginal revenue?

A. Marginal revenue will increase

Correct B. Marginal revenue will decrease

C. Marginal revenue will remain cons\tant

D. Marginal revenue will become negative

Correct Answer: B

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Question 21

A consumer is faced with the following utility function: U(x, y) = 2x^0.5y^0.5. If the consumer's income is ₦1000 and the prices of x and y are ₦5 and ₦10 respectively, what is the consumer's optimal bundle?

A. x = 10, y = 10

B. x = 20, y = 5

C. x = 5, y = 20

Correct D. x = 15, y = 15

Correct Answer: D

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Question 22

A central bank is considering a monetary policy to reduce inflation. Which of the following tools would be most effective in achieving this goal?

Correct A. Increa\sing the reserve requirement

B. Decrea\sing the discount rate

C. Implementing a price ceiling

D. Increa\sing the money supply

Correct Answer: A

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Question 23

A firm is operating in a monopoly market with a downward-sloping demand curve. If the firm increases its production, what will happen to its marginal revenue?

A. Marginal revenue will increase

Correct B. Marginal revenue will decrease

C. Marginal revenue will remain cons\tant

D. Marginal revenue will become negative

Correct Answer: B

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Question 24

A consumer is faced with the following utility function: U(x, y) = 2x^0.5y^0.5. If the consumer's income is ₦1000 and the prices of x and y are ₦5 and ₦10 respectively, what is the consumer's optimal bundle?

A. x = 10, y = 10

B. x = 20, y = 5

C. x = 5, y = 20

Correct D. x = 15, y = 15

Correct Answer: D

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Question 25

A firm is operating in a perfectly competitive market with a downward-sloping demand curve. If the firm increases its production, what will happen to its marginal revenue?

A. Marginal revenue will increase

Correct B. Marginal revenue will decrease

C. Marginal revenue will remain cons\tant

D. Marginal revenue will become negative

Correct Answer: B

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