Practice post utme joseph ayo babalola university economics 2023 Past Questions

Question 1

The government of Nigeria has introduced a new policy to increase agricultural production. The policy includes providing subsidies to farmers, improving irrigation systems, and increa\sing access to credit. However, the policy also includes a provision to increase the price of fertilizers by 20%. What is the likely effect of this policy on the overall \cost of production for farmers?

A. The \cost of production will decrease by 10%

Correct B. The \cost of production will increase by 5%

C. The \cost of production will remain the same

D. The \cost of production will decrease by 15%

Correct Answer: B

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Question 2

A firm is considering two different production processes to manufacture a product. Process A requires an initial investment of ₦10 million and has a variable \cost of ₦5 per unit. Process B requires an initial investment of ₦15 million and has a variable \cost of ₦3 per unit. If the firm produces 10,000 units, what is the total \cost of production for each process?

Correct A. Process A: ₦52.5 million, Process B: ₦48.5 million

B. Process A: ₦57.5 million, Process B: ₦53.5 million

C. Process A: ₦42.5 million, Process B: ₦38.5 million

D. Process A: ₦62.5 million, Process B: ₦58.5 million

Correct Answer: A

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Question 3

The Nigerian government has introduced a new policy to increase the production of rice. The policy includes providing subsidies to farmers, improving irrigation systems, and increa\sing access to credit. However, the policy also includes a provision to increase the price of rice by 15%. What is the likely effect of this policy on the overall demand for rice?

A. The demand for rice will increase by 10%

Correct B. The demand for rice will decrease by 5%

C. The demand for rice will remain the same

D. The demand for rice will increase by 15%

Correct Answer: B

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Question 4

A firm is considering two different production processes to manufacture a product. Process A requires an initial investment of ₦10 million and has a variable \cost of ₦5 per unit. Process B requires an initial investment of ₦15 million and has a variable \cost of ₦3 per unit. If the firm produces 10,000 units, what is the total revenue for each process?

Correct A. Process A: ₦52.5 million, Process B: ₦48.5 million

B. Process A: ₦57.5 million, Process B: ₦53.5 million

C. Process A: ₦42.5 million, Process B: ₦38.5 million

D. Process A: ₦62.5 million, Process B: ₦58.5 million

Correct Answer: A

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Question 5

The Nigerian government has introduced a new policy to increase the production of textiles. The policy includes providing subsidies to farmers, improving irrigation systems, and increa\sing access to credit. However, the policy also includes a provision to increase the price of textiles by 20%. What is the likely effect of this policy on the overall demand for textiles?

A. The demand for textiles will increase by 10%

Correct B. The demand for textiles will decrease by 5%

C. The demand for textiles will remain the same

D. The demand for textiles will increase by 15%

Correct Answer: B

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Question 6

A firm's revenue function is given by R(x) = 2x^2 + 5x + 1, where x is the number of units produced. If the firm's \cost function is C(x) = 3x^2 + 2x + 10, what is the profit function?

Correct A. -x^2 + 3x - 9

B. x^2 - 3x + 9

C. x^2 + 3x - 9

D. -x^2 - 3x + 9

Correct Answer: A

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Question 7

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

Correct A. Price increases, quantity decreases

B. Price decreases, quantity increases

C. Price increases, quantity increases

D. Price decreases, quantity decreases

Correct Answer: A

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Question 8

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 has 100 units of labor and 200 units of capital, what is the maximum output?

Correct A. 200

B. 250

C. 300

D. 400

Correct Answer: A

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Question 9

A government budget constraint is given by B = T + G, where B is budget, T is tax revenue, and G is government sp\ending. If the government collects ₦1000 in tax revenue and sp\ends ₦500 on government programs, what is the budget deficit?

Correct A. ₦1500

B. ₦1000

C. ₦500

D. ₦0

Correct Answer: A

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Question 10

A firm's demand function is given by Q = 100 - 2P, where Q is quantity demanded and P is price. If the firm wants to maximize profit, what is the optimal price?

Correct A. ₦50

B. ₦75

C. ₦100

D. ₦125

Correct Answer: A

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Question 11

A country's balance of payments is in equilibrium when the current account is equal to the capital account. True or False?

A. True

Correct B. False

C. Dep\ends on the country's economic policies

D. It is not possible to determine the balance of payments without more information

Correct Answer: B

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Question 12

A firm's \cost function is given by ( C(q) = 2q^2 + 5q + 10 ). What is the marginal \cost when q = 5?

Correct A. 40

B. 50

C. 60

D. 70

Correct Answer: A

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Question 13

A country's agricultural sector is characterized by a high degree of monopolistic competition. What is the likely effect of an increase in the price of a key input on the industry's supply curve?

A. The supply curve shifts to the left

Correct B. The supply curve shifts to the right

C. The supply curve remains unchanged

D. The supply curve shifts downward

Correct Answer: B

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Question 14

A government imposes a tax on a particular good, cau\sing the demand curve to shift to the left. What is the likely effect on the deadweight loss of the tax?

Correct A. The deadweight loss increases

B. The deadweight loss decreases

C. The deadweight loss remains unchanged

D. The deadweight loss becomes negative

Correct Answer: A

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Question 15

A firm's production function is given by \( Q = 2K^{0.5}L^{0.5} \). What is the return to scale when K = 4 and L = 4?

A. Increa\sing returns to scale

B. Decrea\sing returns to scale

Correct C. Cons\tant returns to scale

D. Negative returns to scale

Correct Answer: C

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Question 16

Consider a perfectly competitive market with 5 firms, each producing 100 units of a homogeneous good. If the market price is ₦100 per unit, and the marginal \cost of production is ₦80 per unit, what is the economic profit of each firm?

A. ₦1000

B. ₦500

C. ₦2000

Correct D. ₦0

Correct Answer: D

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Question 17

A monopolist faces a demand curve given by Q = 100 - 2P. The marginal \cost of production is ₦50 per unit. What is the profit-maximizing price and quantity?

Correct A. P = ₦75, Q = 50

B. P = ₦50, Q = 75

C. P = ₦25, Q = 100

D. P = ₦100, Q = 25

Correct Answer: A

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Question 18

A country's GDP is ₦10 trillion, and its GNP is ₦11 trillion. What is the net factor income from abroad?

Correct A. ₦1 trillion

B. ₦0.5 trillion

C. ₦1.5 trillion

D. ₦2 trillion

Correct Answer: A

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Question 19

A firm's demand curve is given by Q = 100 - 2P. The marginal \cost of production is ₦50 per unit. What is the elasticity of demand at a price of ₦75?

Correct A. 0.5

B. 1

C. 2

D. 3

Correct Answer: A

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Question 20

A country's GDP is ₦10 trillion, and its GNP is ₦11 trillion. What is the economic growth rate?

Correct A. 10%

B. 5%

C. 15%

D. 20%

Correct Answer: A

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Question 21

A firm's production function is given by Q = 2L^0.5K^0.5. If the firm's current labor and capital inputs are L = 16 and K = 9, respectively, what is the marginal product of labor (MPL) when the firm is producing at the point where L = 16 and K = 9?

A. 1

Correct B. 2

C. 3

D. 4

Correct Answer: B

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Question 22

A consumer's budget constraint is given by P1X + P2Y = I, where P1 and P2 are the prices of goods X and Y, respectively, and I is the consumer's income. If the consumer's income is I = 100, and the prices of goods X and Y are P1 = 5 and P2 = 10, respectively, what is the consumer's indifference curve when the consumer is consuming 20 units of good X?

Correct A. 20

B. 30

C. 40

D. 50

Correct Answer: A

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Question 23

A government is considering implementing a tax on a particular good. The government's revenue from the tax is given by R = tQ, where t is the tax rate and Q is the quantity of the good sold. If the government's current revenue from the tax is R = 100, and the tax rate is t = 0.1, what is the quantity of the good sold?

A. 1000

B. 500

Correct C. 200

D. 50

Correct Answer: C

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Question 24

A firm's production function is given by Q = 2L^0.5K^0.5. If the firm's current labor and capital inputs are L = 16 and K = 9, respectively, what is the marginal product of capital (MPK) when the firm is producing at the point where L = 16 and K = 9?

A. 1

B. 2

C. 3

Correct D. 4

Correct Answer: D

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Question 25

A consumer's budget constraint is given by P1X + P2Y = I, where P1 and P2 are the prices of goods X and Y, respectively, and I is the consumer's income. If the consumer's income is I = 100, and the prices of goods X and Y are P1 = 5 and P2 = 10, respectively, what is the consumer's indifference curve when the consumer is consuming 20 units of good Y?

A. 20

Correct B. 30

C. 40

D. 50

Correct Answer: B

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