Marginal analysis involves undertaking an activity A) only if ...

[mia]

Marginal analysis involves undertaking an activity
 
  A) only if its marginal costs are greater than its marginal benefits.
  B) until its marginal costs start declining.
  C) until its marginal benefits equal marginal costs.
  D) only when its marginal benefits are positive.

Question 2

What are the assumptions of a pure monopoly?
 
  What will be an ideal response?

[macybarnes]

Answer to Question 1

C

Answer to Question 2

One producer, no close substitutes, barriers to entry.