Practice Post UTME BABCOCK UNIVERSITY economics 2019 Past Questions

Question 1

A consumer's indifference curve is downward sloping because of the law of increa\sing marginal opportunity \cost. What is the opportunity \cost of consuming one more unit of good X?

Correct A. The opportunity \cost of consuming one more unit of good X is the amount of good Y that must be given up.

B. The opportunity \cost of consuming one more unit of good X is the amount of good X that must be given up.

C. The opportunity \cost of consuming one more unit of good X is the amount of good Z that must be given up.

D. The opportunity \cost of consuming one more unit of good X is the amount of good X that must be consumed.

Correct Answer: A

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Question 2

A firm is operating in a perfectly competitive market. If the firm's marginal revenue (MR) is greater than its marginal \cost (MC), what will be the firm's optimal output?

Correct A. The firm will produce at the point where MR = MC.

B. The firm will produce at the point where MR > MC.

C. The firm will produce at the point where MR < MC.

D. The firm will produce at the point where MR = MC and MC is at its minimum.

Correct Answer: A

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Question 3

A monopolist is facing a downward-sloping demand curve. If the monopolist's marginal revenue (MR) is greater than its marginal \cost (MC), what will be the monopolist's optimal output?

Correct A. The monopolist will produce at the point where MR = MC.

B. The monopolist will produce at the point where MR > MC.

C. The monopolist will produce at the point where MR < MC.

D. The monopolist will produce at the point where MR = MC and MC is at its minimum.

Correct Answer: A

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Question 4

A consumer is faced with the following budget constraint: 2X + 3Y = 12. If the consumer's indifference curve is downward sloping, what is the opportunity \cost of consuming one more unit of good X?

Correct A. The opportunity \cost of consuming one more unit of good X is the amount of good Y that must be given up.

B. The opportunity \cost of consuming one more unit of good X is the amount of good X that must be given up.

C. The opportunity \cost of consuming one more unit of good X is the amount of good Z that must be given up.

D. The opportunity \cost of consuming one more unit of good X is the amount of good X that must be consumed.

Correct Answer: A

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Question 5

A firm is operating in a perfectly competitive market. If the firm's marginal revenue (MR) is less than its marginal \cost (MC), what will be the firm's optimal output?

A. The firm will produce at the point where MR = MC.

B. The firm will produce at the point where MR > MC.

Correct C. The firm will produce at the point where MR < MC.

D. The firm will produce at the point where MR = MC and MC is at its minimum.

Correct Answer: C

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Question 6

Consider a firm operating in a perfectly competitive market with a downward-sloping demand curve. If the firm's marginal revenue (MR) curve intersects its marginal \cost (MC) curve at point E, where MR = MC, and the firm is producing at its optimal quantity $ Q* $, what is the effect on the firm's total revenue (TR) if the demand curve shifts to the left?

A. The firm's TR increases

Correct B. The firm's TR decreases

C. The firm's TR remains unchanged

D. The firm's TR increases, but at a decrea\sing rate

Correct Answer: B

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Question 7

A country's balance of payments (BOP) accounts are in equilibrium when the current account (CA) is equal to the capital account (KA). If the country's CA is in surplus by $100 million, and the KA is in deficit by $50 million, what is the net effect on the country's BOP?

Correct A. The BOP is in surplus by $50 million

B. The BOP is in deficit by $50 million

C. The BOP is in equilibrium

D. The BOP is in surplus by $150 million

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 the quantity produced, L is labor, and K is capital. If the firm's labor and capital inputs are increased by 20% and 15%, respectively, what is the percentage change in the firm's output?

A. The output increases by 10%

B. The output increases by 15%

C. The output increases by 20%

Correct D. The output increases by 25%

Correct Answer: D

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Question 9

A country's inflation rate is 5% per annum, and its nominal interest rate is 10% per annum. If the country's central bank implements a monetary policy that reduces the money supply by 10%, what is the expected effect on the country's real interest rate?

A. The real interest rate increases by 5%

Correct B. The real interest rate decreases by 5%

C. The real interest rate remains unchanged

D. The real interest rate increases by 10%

Correct Answer: B

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Question 10

A firm's \cost function is given by C = 2L + 3K, where C is the total \cost, L is labor, and K is capital. If the firm's labor and capital inputs are increased by 20% and 15%, respectively, what is the percentage change in the firm's total \cost?

A. The total \cost increases by 10%

B. The total \cost increases by 15%

Correct C. The total \cost increases by 20%

D. The total \cost increases by 25%

Correct Answer: C

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Question 11

Agricultural mechanization in Nigeria has been hindered by the high \cost of machinery and maintenance. However, the government has introduced a subsidy program to reduce the \cost of machinery. U\sing the concept of elasticity of demand, explain how the subsidy program will affect the demand for agricultural machinery.

A. The demand for agricultural machinery will increase, but the elasticity of demand will be inelastic.

B. The demand for agricultural machinery will decrease, and the elasticity of demand will be elastic.

Correct C. The demand for agricultural machinery will increase, and the elasticity of demand will be elastic.

D. The demand for agricultural machinery will decrease, and the elasticity of demand will be inelastic.

Correct Answer: C

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Question 12

A firm produces two products, A and B, u\sing two inputs, labor and capital. The production function for product A is given by Q_A = 2L^0.5K^0.5, and the production function for product B is given by Q_B = 3L^0.75K^0.25. If the firm has 100 units of labor and 50 units of capital, how many units of product A and product B should the firm produce to maximize profit?

Correct A. Q_A = 20, Q_B = 30

B. Q_A = 30, Q_B = 20

C. Q_A = 25, Q_B = 25

D. Q_A = 15, Q_B = 35

Correct Answer: A

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Question 13

A consumer has a utility function given by U = 2x^0.5y^0.5, where x and y are the quantities of two goods. If the prices of the two goods are $5 and $10, respectively, and the consumer has a budget of $50, how much of each good should the consumer buy to maximize utility?

Correct A. x = 10, y = 5

B. x = 5, y = 10

C. x = 15, y = 3

D. x = 3, y = 15

Correct Answer: A

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Question 14

The demand for a product is given by Q = 100 - 2P, where Q is the quantity demanded and P is the price. If the price is $20, how many units of the product will be demanded?

A. 50

Correct B. 75

C. 100

D. 125

Correct Answer: B

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Question 15

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

A. 150

Correct B. 200

C. 250

D. 300

Correct Answer: B

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Question 16

A consumer's indifference curve is represented by the equation ( u(x,y) = 2x + 3y ). If the consumer's income is ₦1000 and the prices of x and y are ₦5 and ₦3 respectively, what is the optimal bundle of x and y?

Correct A. (10, 20)

B. (20, 10)

C. (15, 15)

D. (5, 5)

Correct Answer: A

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Question 17

A firm's production function is given by $ Q = 2L^2 + 3K^2 $. If the firm's output is 100 units and the wage rate is ₦50 per unit of labor, what is the optimal level of capital?

A. 10

Correct B. 20

C. 30

D. 40

Correct Answer: B

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Question 18

A country's GDP is ₦100 billion and its GNP is ₦120 billion. What is the net factor income from abroad?

A. ₦10 billion

Correct B. ₦20 billion

C. ₦30 billion

D. ₦40 billion

Correct Answer: B

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Question 19

A consumer's budget constraint is given by $ 2x + 3y = 12 $. If the consumer's indifference curve is represented by the equation ( u(x,y) = 2x + y ), what is the optimal bundle of x and y?

Correct A. (3, 4)

B. (4, 3)

C. (5, 2)

D. (2, 5)

Correct Answer: A

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Question 20

A firm's production function is given by $ Q = 2L^2 + 3K^2 $. If the firm's output is 100 units and the wage rate is ₦50 per unit of labor, what is the optimal level of labor?

Correct A. 10

B. 20

C. 30

D. 40

Correct Answer: A

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Question 21

The concept of comparative advantage in international trade is based on the idea that countries should specialize in producing goods for which they have a lower opportunity \cost. Which of the following is a correct example of comparative advantage?

A. Nigeria producing more oil than the United States

Correct B. Nigeria producing more cotton than the United States

C. Nigeria producing more wheat than the United States

D. Nigeria producing more automobiles than the United States

Correct Answer: B

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Question 22

The agricultural sector in Nigeria is characterized by low productivity and inefficiency. What is the main reason for this?

A. Lack of modern farming techniques

B. Insufficient funding for agricultural research

C. Inadequate infrastructure for agricultural production

Correct D. Poor agricultural policies

Correct Answer: D

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Question 23

The balance of payments (BOP) is a statistical statement that summarizes a country's economic transactions with the rest of the world. What is the main purpose of the BOP?

A. To measure a country's economic growth

Correct B. To analyze a country's trade deficit or surplus

C. To identify a country's main trading partners

D. To determine a country's exchange rate

Correct Answer: B

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Question 24

The money market is a financial market where short-term debt securities are traded. What is the main function of the money market?

A. To provide long-term financing for bu\sinesses

B. To facilitate the exchange of goods and services

Correct C. To provide short-term financing for bu\sinesses

D. To manage a country's foreign exchange reserves

Correct Answer: C

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Question 25

The concept of diminishing marginal utility (DMU) is a fundamental principle in consumer behavior. What is the main implication of DMU?

A. That consumers will always prefer more of a good or service

B. That consumers will always prefer less of a good or service

Correct C. That consumers will eventually reach a point where additional units of a good or service provide no additional satisfaction

D. That consumers will always be indifferent to the quantity of a good or service

Correct Answer: C

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