Suppose when a market has four firms, average economic profit is 1,000 per month. When the market has five firms, the average economic profit is -50 per month. This suggests that
A) the long-run equilibrium number of firms is between four and five.
B) the long-run equilibrium number of firms is four.
C) the long-run equilibrium number of firms is five.
D) there is no long-run equilibrium in this market as profits can never be zero.
Question 2
What is one reason perfectly competitive firms wish to be ever more efficient?
A) Individual firms are awarded by the tax code to be more efficient.
B) Individual firms can better control their costs than the price they can charge.
C) Individual firms can better control their costs than their output levels.
D) Individual firms don't need to be efficient; government policies do not reward efficiency.
