Quick Quiz

Quiz yourself on your own study material.

Pick 5, 10 or 15 questions on a concept. Each answer shows why it's right and the page it came from.

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Question 4 of 10

Quick Quiz

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A firm in perfect competition is producing where marginal cost is above marginal revenue. What should it do?

aRaise its priceYou
It cannot. A price taker sells at the market price or sells nothing.
bReduce output
Each extra unit is costing more than it earns, so the last ones are losing money.
cLeave the market

Profit is at its highest where marginal cost equals marginal revenue. Above it, cutting output raises profit.

How it works

1
Add your study material
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2
Pick a concept and a quiz type
Choose 5, 10 or 15 questions: multiple choice, fill in the blank, true or false, or mixed.
3
Answer and check
After each answer, see the right answer, why it's right, and where it came from.

Questions from your pages
Every question is written from your own study material, and each answer links to the page it came from.
An explanation for every answer
See why the right answer is right, and what was wrong with yours.
Mistakes saved for later
Questions you get wrong are saved, so you can quiz yourself on just those.
Fewer repeats
A new quiz leaves out questions you've been asked on that concept recently.

Will a new quiz ask the same questions?

No. It leaves out questions you've been asked on that concept recently, and asks again about parts you've missed before.

What happens to the questions I get wrong?

They're saved in Mistakes with your answer, the right answer and the page it came from. Revisit Mistakes quizzes you on just those.

How many quizzes can I make?

Free includes 5 quizzes a week. Pro has no limit, for $19 a month.

One module is free. No card required.