答案如下
Which of the following is TRUE for a competitive firm in long-run equilibrium? A) P = AVC = MR. B) AVC = TR = TC. C) P = MC = ATC = MR. D) TC = TR = MC.
Your answer: C was correct! For a competitive firm, long-run equilibrium is where P = MC = ATC. For price taking firms, P = MC. Competition eliminates economic profits in the long run so that P = ATC.
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