Practice post utme ui economics 2021 Past Questions

Question 1

U\sing the Marshall-Lerner condition, determine whether Nigeria's balance of payments will improve if the country's export price increases by 10% and import price decreases by 5%.

Correct A. The balance of payments will improve.

B. The balance of payments will worsen.

C. The balance of payments will remain unchanged.

D. Insufficient information to determine the outcome.

Correct Answer: A

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Question 2

A monopolist faces a demand curve given by Q = 100 - 2P and a \cost function C(Q) = 2Q^2 + 10Q. Find the profit-maximizing price and quantity.

Correct A. P = 50, Q = 25

B. P = 75, Q = 25

C. P = 50, Q = 50

D. P = 75, Q = 50

Correct Answer: A

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Question 3

A firm produces two goods, A and B, u\sing two inputs, labor (L) and capital (K). The production functions are given by Q_A = 2L^0.5K^0.5 and Q_B = 3L^0.5K^0.5. If the firm has 100 units of labor and 200 units of capital, how much of each good should it produce to maximize profits?

Correct A. Q_A = 20, Q_B = 30

B. Q_A = 30, Q_B = 20

C. Q_A = 20, Q_B = 40

D. Q_A = 40, Q_B = 20

Correct Answer: A

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Question 4

A central bank uses the following monetary policy rule: i = 2 + 0.5\( P - 2 \) - 0.1\( Y - 100 \). If the inflation rate is 3% and the output gap is 5%, what is the nominal interest rate?

A. 6%

Correct B. 8%

C. 10%

D. 12%

Correct Answer: B

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Question 5

A firm's production function is given by Q = 100 - 2L - 3K. If the firm has a labor \cost of ₦100 per unit and a capital \cost of ₦200 per unit, and the price of the good is ₦500, what is the profit-maximizing level of labor and capital?

A. L = 20, K = 10

B. L = 10, K = 20

Correct C. L = 15, K = 15

D. L = 25, K = 5

Correct Answer: C

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Question 6

The government of a country has decided to implement a new tax policy to reduce income inequality. The tax policy involves a progressive tax system where the tax rate increases as the income level increases. Suppose the tax rate is 10% for income levels up to ₦100,000, 20% for income levels between ₦100,001 and ₦200,000, and 30% for income levels above ₦200,000. If a person has an income of ₦250,000, how much tax will they pay under this policy?

A. ₦30,000

B. ₦40,000

Correct C. ₦50,000

D. ₦60,000

Correct Answer: C

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Question 7

A firm is producing two goods, X and Y, u\sing two inputs, labor (L) and capital (K). The production functions for X and Y are given by the following equations:

A. The firm is a perfect competitor in both markets.

B. The firm is a monopolist in both markets.

C. The firm is a monopolist in the market for good X but a perfect competitor in the market for good Y.

Correct D. The firm is a perfect competitor in the market for good X but a monopolist in the market for good Y.

Correct Answer: D

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Question 8

A country is experiencing a recession, and the government is considering implementing a fiscal policy to stimulate economic growth. The government has two options: Option A, which involves increa\sing government sp\ending by ₦10 billion, or Option B, which involves reducing taxes by ₦5 billion. Which option is more likely to stimulate economic growth?

Correct A. Option A is more likely to stimulate economic growth.

B. Option B is more likely to stimulate economic growth.

C. Both options are equally likely to stimulate economic growth.

D. Neither option is likely to stimulate economic growth.

Correct Answer: A

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Question 9

A firm is producing a good u\sing a production function given by the equation:

Correct A. The firm is a perfect competitor in the market.

B. The firm is a monopolist in the market.

C. The firm is a monopolistic competitor in the market.

D. The firm is an oligopolist in the market.

Correct Answer: A

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Question 10

A country is experiencing high inflation, and the government is considering implementing a monetary policy to reduce inflation. The government has two options: Option A, which involves increa\sing the reserve requirement for commercial banks, or Option B, which involves increa\sing the discount rate. Which option is more likely to reduce inflation?

A. Option A is more likely to reduce inflation.

Correct B. Option B is more likely to reduce inflation.

C. Both options are equally likely to reduce inflation.

D. Neither option is likely to reduce inflation.

Correct Answer: B

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Question 11

A firm operating in a perfectly competitive market is said to be in a state of equilibrium when the marginal revenue product of labor equals the marginal factor \cost of labor. What is the opportunity \cost of hiring an additional worker in this scenario?

A. The wage rate of the additional worker

B. The marginal revenue product of the additional worker

C. The marginal factor \cost of the additional worker

Correct D. The opportunity \cost of hiring an additional worker

Correct Answer: D

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Question 12

A monopolist faces a demand curve given by Q = 100 - 2P. The monopolist's marginal \cost curve is given by MC = 10 + 2Q. What is the monopolist's optimal price and quantity?

Correct A. P = 40, Q = 30

B. P = 30, Q = 40

C. P = 20, Q = 50

D. P = 50, Q = 20

Correct Answer: A

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Question 13

Agricultural development in Nigeria has been hindered by the lack of access to credit by small-scale farmers. What is the opportunity \cost of providing credit to these farmers?

Correct A. The opportunity \cost of providing credit to these farmers is the forgone interest income

B. The opportunity \cost of providing credit to these farmers is the forgone output

C. The opportunity \cost of providing credit to these farmers is the forgone employment

D. The opportunity \cost of providing credit to these farmers is the forgone investment

Correct Answer: A

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Question 14

A government imposes a tax on a firm's output. The firm's supply curve shifts to the left. What is the effect of this tax on the firm's profit-maximizing quantity?

A. The firm's profit-maximizing quantity increases

Correct B. The firm's profit-maximizing quantity decreases

C. The firm's profit-maximizing quantity remains the same

D. The firm's profit-maximizing quantity increases and then decreases

Correct Answer: B

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Question 15

A central bank increases the money supply in an economy. What is the effect of this increase on the price level?

Correct A. The price level increases

B. The price level decreases

C. The price level remains the same

D. The price level increases and then decreases

Correct Answer: A

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Question 16

A perfectly competitive firm's supply curve is upward-sloping because of the law of increa\sing \costs. Which of the following is NOT a reason for the law of increa\sing \costs?

A. Decrease in the firm's production level

B. Increase in the firm's fixed \costs

C. Increase in the firm's variable \costs

Correct D. Increase in the firm's output level

Correct Answer: D

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Question 17

A monopolistically competitive firm faces a downward-sloping demand curve. Which of the following is a characteristic of this market structure?

A. Barriers to entry are high

B. Barriers to entry are low

Correct C. Firms produce differentiated products

D. Firms produce homogeneous products

Correct Answer: C

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Question 18

A consumer's indifference curve is downward-sloping because of the law of diminishing marginal utility. Which of the following is NOT a reason for the law of diminishing marginal utility?

A. Increase in the consumer's income

B. Increase in the price of the good

C. Increase in the consumer's wealth

Correct D. Decrease in the consumer's income

Correct Answer: D

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Question 19

A central bank can use monetary policy to stabilize the economy. Which of the following is a tool of monetary policy?

A. Fiscal policy

Correct B. Monetary policy

C. Supply-side policy

D. Demand-side policy

Correct Answer: B

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Question 20

A monopolist's marginal revenue curve is downward-sloping because of the law of diminishing returns. Which of the following is NOT a reason for the law of diminishing returns?

A. Increase in the firm's fixed \costs

B. Increase in the firm's variable \costs

C. Increase in the firm's output level

Correct D. Decrease in the firm's output level

Correct Answer: D

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Question 21

A firm's production function is given by Q = 2L^\( 1/2 \)K^\( 1/2 \), where Q is output, L is labor, and K is capital. If the firm's current labor and capital inputs are 16 and 9 respectively, what is the marginal product of labor?

Correct A. 1

B. 2

C. 3

D. 4

Correct Answer: A

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Question 22

A consumer's utility function is given by U = 2x + 3y, where x and y are the quantities of two goods consumed. If the consumer's budget constraint is 10x + 5y = 50, what is the consumer's optimal bundle of goods?

A. x = 2, y = 5

Correct B. x = 3, y = 4

C. x = 4, y = 3

D. x = 5, y = 2

Correct Answer: B

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Question 23

A firm's \cost function is given by C = 2L + 3K, where C is \cost, L is labor, and K is capital. If the firm's current labor and capital inputs are 16 and 9 respectively, what is the firm's total \cost?

A. 50

Correct B. 60

C. 70

D. 80

Correct Answer: B

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Question 24

A country's money supply is given by M = 1000 + 0.5Y, where M is money supply and Y is GDP. If the country's current GDP is 10000, what is the country's money supply?

A. 5000

Correct B. 6000

C. 7000

D. 8000

Correct Answer: B

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Question 25

A firm's revenue function is given by R = 2x + 3y, where R is revenue, x and y are the quantities of two goods sold. If the firm's current prices are 2 and 3 respectively, what is the firm's total revenue?

A. 10

Correct B. 15

C. 20

D. 25

Correct Answer: B

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