- CFA Exams
- CFA Level I Exam
- Topic 2. Economics
- Learning Module 1. The Firm and Market Structures
- Subject 6. Perfect Competition
CFA Practice Question
Which of the following will be true for a competitive firm in long-run equilibrium?
II. ATC = MC
III. P = ATC
I. P = MC
II. ATC = MC
III. P = ATC
A. I only
B. I and III
C. I, II and III
Explanation: The firm's profit maximizing condition states that the firm operates where P = MC. This implies several things: in order to earn zero profits, the firm's ATC must equal price. Therefore, since P = MC and P = ATC, by induction, MC = ATC.
User Contributed Comments 1
User | Comment |
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MylesGrenier | Hope no one picked B |