Assertion: firm's price | /r/CapableOf | shrink down to the level of the average cost
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Source sentences:
text: In the long run, however, when the profitability of the product is well established, and because there are few barriers to entry, the number of firms that produce this product will increase until the available supply of the product eventually becomes relatively large, the price of the product shrinks down to the level of the average cost of producing the product.