Why are some producers forced to sell their products at the prevailing market price?

High degree of similarity to competitors products.

Explanation:

In a perfectly competitive markets, the producers are price takers as the producers cannot influence the prices of goods in a market.

In such cases, producers are forced to sell the goods at current market prices. Good sold in the market are similar and prices are usually the same. If a producer influences his or her price by setting a price above the equilibrium price in the market, the customers will move and purchase the product from other producers.

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