Pure competition in the long run and short run.
Explanation of Solution
During a short run, the industry will have a precise number of companies. All of these will have a plant size that is set and is not in a position to be altered as it is there for a short run. Firms might shut down given the impression that it won't be making commodities during the short run, but they will not have adequate time to pay off its due obligations and their business will eventually close down.
In contrast, the industry, during the long run will have companies that are already in it and have ample time to either expand or minimize their size. Also, the company numbers in the industry can go up or come down as new companies enter or already present firms leave.
Concept Introduction:
Pure Competition: In pure competition, the number of buyers and sellers are large. They are selling homogenous products.
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