In perfectly competitive markets, if the price is greater than average total cost , the firm will make a profit.
According to economic theory, perfect competition exists when all businesses sell the same goods, market share has no bearing on prices, businesses can enter or quit the market without any obstacles, consumers have perfect or complete information, and businesses are unable to set prices.
A perfect market, also known as an atomistic market, is defined by various idealizing conditions, which are together referred to as perfect competition, or atomistic competition, in economics, specifically general equilibrium theory.
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