If a monopolistically competitive firm is earning positive economic profits in the short-run, then: b these profits will be eliminated in the long-run as new firms enter the industry.
What Is Monopolistic Competition can be described as the competition can be seen as one that exists when many companies offer competing products or services that are similar, even though they can not be regarded as perfect, substitutes.
It should be noted that the barriers to entry in a monopolistic competitive industry can be seen to be low, and the decision among them do not directly affect its competitors.
In conclusion,in a case whereby a monopolistically competitive firm is earning positive economic profits when it is been analysed in the short-run, then these profits will be eliminated in the long-run .
Therefore, option B is correct.
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