試題詳解

8. Which of the following statements is correct?
(A) Diseconomies of scale occur when a firm’s long-run average total costs fall as output increases.
(B) If the total cost curve gets steeper as output increases, the firm is experiencing increasing marginal product.
(C)When total revenue is less than total variable cost, a firm in a competitive market should expect new firms to enter the market.
(D) When total revenue is less than total variable cost, a firm in a competitive market will shut down.