Why does the infant industry argument for protectionism suggest that an industry must be protected in the early stages of its development?

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The infant industry argument suggests that protectionism is needed in order for domestic producers to attain economies of scale, which is crucial for them to become competitive in world markets. By providing temporary protection through tariffs, subsidies or other trade barriers, the domestic industry can grow and develop without being overwhelmed by foreign competition. Once it has reached a certain level of competitiveness, the protection can be gradually removed.

Why Does the Infant Industry Argument for Protectionism Suggest That