Price is higher than in other market structures -- a single-price monopoly
An efficient quantity produced -- perfect competition
There are significant barriers to entry -- a single-price monopoly
Companies lack market strength. -- perfect competition
Firms can earn positive economic profit in the long run -- a single-price monopoly
A monopoly must worry about whether customers would buy its products or spend their money on something entirely else, but it need not be concerned about what other businesses are doing. As a result, unlike a perfectly competitive corporation, a monopoly does not take prices. Market share has no influence on prices, businesses can enter or exit the market without affecting prices, and perfect competition obtains when all businesses sell the same items, according to economic theory.
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