If firms in a perfectly competitive industry are earning an economic profit and new firms enter the industry, then
A) the new firms must incur an economic loss.
B) the existing firms' economic profit decreases.
C) consumer surplus decreases.
D) there must be external benefits to consumption of the good.
E) Both answers A and B are correct.
When the firms are making profits and new firms enter the market then the market supply increases which decreases the price until it is equal to the minimum ATC.
so, the existing firm's economic profit decreases.
option(B)
If firms in a perfectly competitive industry are earning an economic profit and new firms enter...
If perfectly competitive firms are making an economic profit, then A) new firms will enter the market. B) the market cannot be in either a short-run or a long-run equilibrium. C) the market must be in long-run equilibrium but cannot be in a short-run equilibrium. D) the market might be in a long-run equilibrium but not a short-run equilibrium. E) some firms will exit the market.
are making an economic Today, firms in a perfectly competitive market run, firms will profit. In the long firns in a perfectly competitive market are making the market until all firms in the market onomic e) exit, producing at the minimum point on their long-run average cost d) a) exit; covering only their total fixed costs b) enter, making zero economic profit enter, making zero normal profit an economic profit when new firms enter 46. The firms in a perfectly...
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