Option (d), the absence of entry barriers suggests that businesses can enter and leave the industry without significant obstacles when considering perfect competition.
There are no entrance barriers in a market with perfect competition. In a market where there is full competition and comparable or identical products are produced, businesses cannot control pricing. Therefore, companies are unable to employ strategic entrance barriers.
Due to the absence of entry barriers, perfectly competitive enterprises are only capable of producing zero long-term economic profits. If short-term economic earnings are strong, that is a sign that new enterprises should enter the sector.
A corporation can either produce zero economic profits, economic losses, or positive economic profits in the short run if there are no barriers to market entry. The price is the same as the median total cost when the company is earning no economic profit.
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