The price- taking competitive equilibrium of a large number of identical firms implies that

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In a price-taking competitive equilibrium, firms are unable to earn economic profits in the long run because any economic profits would attract new firms into the industry, increasing supply and driving down prices until profits are eliminated. This also means that firms cannot earn more from their assets by investing them elsewhere, as the return on assets in the industry is driven to the normal return due to competition.

The Price- Taking Competitive Equilibrium of a Large Number of Identical