Q: Which formula correctly calculates economic profit?

$$\text{Economic Profit} = \text{Revenues} - (\text{Explicit Costs} + \text{Implicit Costs})$$

Q: Which equation correctly represents total cost in microeconomics?

$$\text{Total Cost} = \text{Fixed Costs} + \text{Variable Costs}$$

Question 1

Which of the following best describes the difference between accounting profits and economic profits?

Accepted Answer

Accounting profits are always greater than economic profits because they exclude implicit opportunity costs.

Question 2

A business owner invests $40,000 in a business. The bank interest rate is 5%, and the owner requires a risk premium of 15% above the bank rate. What is the minimum normal profit the owner should expect?

Accepted Answer

$8,000

Question 3

If a business has total revenues of $$80,000, explicit costs of 25$$,000, and implicit costs of $46,000, what is its economic profit?

Accepted Answer

$9,000

Question 4

Which formula correctly calculates economic profit?

Accepted Answer

$$	ext{Economic Profit} = 	ext{Revenues} - (	ext{Explicit Costs} + 	ext{Implicit Costs})$$

Question 5

In the short run, why does the marginal cost of production typically increase as output increases?

Accepted Answer

Due to diminishing marginal productivity of variable inputs.

Question 6

Which of the following is an example of an implicit cost?

Accepted Answer

The salary the business owner could earn working elsewhere.

Question 7

A business earns $$60,000 in revenue, pays 25$$,000 in explicit costs, and has $46,000 in implicit costs. What is its accounting profit?

Accepted Answer

$35,000

Question 8

According to Adam Smith, what happens when one employment in a neighborhood is more advantageous than others?

Accepted Answer

People will crowd into the more advantageous employment, causing its advantages to diminish.

Question 9

Which of the following best describes normal profit?

Accepted Answer

The compensation for a business owner's time and money, equal to the sum of implicit costs.

Question 10

If a business is earning zero economic profit, what does this indicate about its revenues and costs?

Accepted Answer

Revenues are equal to the sum of explicit and implicit costs.

Question 11

Which of the following is true about long-run market equilibrium?

Accepted Answer

Economic profits are zero, and there is no tendency for change.

Question 12

A risk-averse investor requires which of the following compared to a risk-loving investor?

Accepted Answer

Higher compensation for taking risks.

Question 13

Which of the following is the most important cost concept for profit-maximizing businesses?

Accepted Answer

Marginal cost

Question 14

If a business owner could earn $$38,000 working elsewhere and 8$$,000 from investing money elsewhere, what is the total implicit cost for the owner?

Accepted Answer

$46,000

Question 15

Which equation correctly represents total cost in microeconomics?

Accepted Answer

$$	ext{Total Cost} = 	ext{Fixed Costs} + 	ext{Variable Costs}$$

Question 16

Which scenario signals a 'green light' for business expansion according to the Red Light, Green Light rule?

Accepted Answer

Economic profits are positive.

Question 17

In the short run, which of the following is true about inputs?

Accepted Answer

Some inputs are fixed while others are variable.

Question 18

What is the opportunity cost of a business owner's time?

Accepted Answer

The best alternative use of the owner's time.

Question 19

Which of the following best explains why additional workers may be less productive in the short run?

Accepted Answer

Fixed inputs limit the effectiveness of additional variable inputs, leading to diminishing marginal productivity.

Question 20

If a business is experiencing economic losses, what is the likely market response in the long run?

Accepted Answer

Businesses will contract and leave the industry, decreasing supply and increasing prices.

Profits and Costs Behind Supply: Finding Producers’ Bottom Line

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