Principles of Microeconomics

Crash Course and Chapter-by-Chapter Critique

By Irma Dircks

608 pages. Charts, graphs, indexes, bibliography
ISBN: 978-3-00-023932-8
Price: $39.80 (Paperback)
Also available as e-book for $15
Publisher: Ancilla Tutorials
Publication date: July 16, 2008

Frequent Exam Questions with Answers

Profits

Chapter 11 ― Question 2
Which of the following is true

  1. economic profit minus accounting profit equals explicit costs
  2. economic profit is below accounting profit
  3. economic profit is higher than accounting profit
  4. accounting profit is economic profit minus opportunity costs
    *B. Answer C is nonsense. Economic profit is lower than accounting profit. Answers A and D are traps.
    Remember that accounting profit is revenue minus explicit cost; economic profit is revenue minus all opportunity cost or minus implicit and explicit costs, which is the same.

Chapter 11 ― Question 4
If total revenues cover explicit costs, but not implicit costs

  1. there are accounting and economic profits
  2. there are accounting profits only
  3. there are losses
  4. there are neither economic nor accounting profits
    *D. Accounting profits are profits that exceed - rather than cover - explicit costs.

Chapter 11 ― Question 5
A firm has total revenues of $1m. Its total expenses are $700,000. The firm's owner earned a salary of $100,000 in his previous job.
1) What is the firm's economic profit?
2) What is its accounting profit?
*1) Economic profit = $200,000.
*2) Accounting profit = $300,000.
Remember that economic profits are profits above explicit and implicit costs.

Chapter 11 ― Question 5
A firm has total revenues of $1m. Its total expenses are $700,000. The firm's owner earned a salary of $100,000 in his previous job.
1) What is the firm's economic profit?
2) What is its accounting profit?
*1) Economic profit = $200,000.
*2) Accounting profit = $300,000.
Remember that economic profits are profits above explicit and implicit costs.

Chapter 12 ― Question 14
What is the difference between profit and producer surplus?
* Profit is Price minus ATC. Producer surplus is Price minus MC.

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